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Engine Parts & Tuning Hardware

Unleash Your Engine's Power: Performance Parts & Accessories

At Optimiz Access, we offer a vast lineup of engine performance parts and accessories to boost the output of your sports vehicle or premium automobile. Optimize your engine for extreme performance and enjoy an exhilarating driving experience on both road and track.

Key benefits of engine tuning: substantial horsepower and torque gains for rapid acceleration, sharper throttle response, enhanced mechanical reliability using high-strength components, and tailored custom tuning suited to all engines.

Essential Products to Maximize Engine Performance

Discover all our precision-engineered components designed to increase efficiency and durability in your engine block:

  • Cold Air Intakes & Air Filtration – Performance sports filters and carbon intake systems for maximum air filling.
  • Intercoolers & Charge Coolers – Efficient intake air cooling to sustain consistent power output under heavy loads.
  • Forged Pistons & Connecting Rods – Heavy-duty internal components built to withstand extreme temperatures and boost pressures.
  • Turbos & Superchargers – Forced induction upgrades delivering significant power increases.
  • Ignition & Servicing – Competition spark plugs, high-output ignition coils, and high-performance oil filters.

Industry-Leading Benchmark Brands

We stock top tuning and motorsport manufacturers: Wagner Tuning, Forge Motorsport, Magnecor, Green Filter, BMC Filter, NGK, Vibra Technics, and Powerflex. We also supply OEM factory parts to ensure meticulous engine maintenance.

Why you should Choose Optimiz Access for Your Engine Upgrades

Since 2010, Optimiz Access has specialized in selecting top-tier engine components for the custom upgrading and maintenance of sports vehicles. Located in northern France (Hauts-de-France) — near Lille, Valenciennes, Cambrai, Arras, Seclin, Douai, and Saint-Quentin —, our expert technicians guide your hardware selection and provide professional installation in our workshop. We ensure strict quality control along with fast worldwide shipping.

Unleash Your Engine's Full Potential Today

Give your car the raw power and sharp response it deserves. Trust the expertise of Optimiz Access, select your engine performance parts today, and benefit from our fast dispatch.

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  • Categories: Alimentation
  • Categories: Circuit d'eau
  • Categories: Kit Allègement
  • Categories: Support moteur
En Stock
€140.06 Price
En Stock
€140.06 Price
Suspension GMP AV D (support coiffe moteur) Clio X85 CupRenault Clio 3 X85 Cup Body Mount (7711160012)
      Strengthen the engine-chassis connection of your Renault Clio 3 X85 Cup with this official Renault Sport body side engine mount (ref. 7711160012) . Essential for minimizing vibrations and optimizing handling. Find the associated engine side engine mount at the bottom of the page for a complete assembly.
      €140.06Price
      Suspension GMP AV D (support coiffe moteur) Clio X85 CupRenault Clio 3 X85 Cup Body Mount (7711160012)
          Strengthen the engine-chassis connection of your Renault Clio 3 X85 Cup with this official Renault Sport body side engine mount (ref. 7711160012) . Essential for minimizing vibrations and optimizing handling. Find the associated engine side engine mount at the bottom of the page for a complete assembly.
          €140.06Price
          Résistance ventilateur moteur
              The original Renault engine fan resistor is an essential regulation part to ensure optimal engine cooling on your Renault Clio 3 RS , Renault Twingo 2 RS , or Renault Twingo R1 . Maintain a stable engine temperature and prevent overheating with this original quality resistor. We ship worldwide.
              €85.20Price
              Résistance ventilateur moteur
                  The original Renault engine fan resistor is an essential regulation part to ensure optimal engine cooling on your Renault Clio 3 RS , Renault Twingo 2 RS , or Renault Twingo R1 . Maintain a stable engine temperature and prevent overheating with this original quality resistor. We ship worldwide.
                  €85.20Price
                  CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)
                      Ensure the reliability of your assembly with this Genuine Renault Sport CHC M8-20 Bolt , reference 7711128280 . Specifically engineered for the high-stress environment of the Twingo R2 , this fastening component guarantees torque consistency...
                      €1.06Price
                      CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)CHC M8-20 Renault Sport Bolt for Twingo R2 (7711128280)
                          Ensure the reliability of your assembly with this Genuine Renault Sport CHC M8-20 Bolt , reference 7711128280 . Specifically engineered for the high-stress environment of the Twingo R2 , this fastening component guarantees torque consistency...
                          €1.06Price
                          Capteur température d'eau pour boitier d'eau plastique
                              Capteur température d'eau pour boitier d'eau plastique
                              €40.15Price
                              Capteur température d'eau pour boitier d'eau plastique
                                  Capteur température d'eau pour boitier d'eau plastique
                                  €40.15Price
                                  Patte fixation support durites d'eau Megane 3 RS et N4
                                      Patte fixation support durites d'eau Megane 3 RS et N4
                                      €6.37Price
                                      Patte fixation support durites d'eau Megane 3 RS et N4
                                          Patte fixation support durites d'eau Megane 3 RS et N4
                                          €6.37Price
                                          En Stock
                                          €14.10 Price
                                          En Stock
                                          €14.10 Price
                                          Patte supérieure gauche fixation radiateur Twingo RS
                                              Patte supérieure gauche fixation radiateur Twingo RS
                                              €14.10Price
                                              Patte supérieure gauche fixation radiateur Twingo RS
                                                  Patte supérieure gauche fixation radiateur Twingo RS
                                                  €14.10Price
                                                  Kit joint torique pour régulateur de pression de rampe
                                                      Kit joint torique pour régulateur de pression de rampe
                                                      €13.08Price
                                                      Kit joint torique pour régulateur de pression de rampe
                                                          Kit joint torique pour régulateur de pression de rampe
                                                          €13.08Price
                                                          Tuyau eau entrée pompe Megane 3 RS et N4
                                                              Genuine Renault Water Pump Inlet Hose for Renault Clio 3 RS, Megane 2 RS, and Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
                                                              €81.02Price
                                                              Tuyau eau entrée pompe Megane 3 RS et N4
                                                                  Genuine Renault Water Pump Inlet Hose for Renault Clio 3 RS, Megane 2 RS, and Megane 3 RS. Essential part for optimal engine cooling. Renault quality and reliability.
                                                                  €81.02Price
                                                                  Accessory Belt for AC Delete Kit - Renault Mégane 4 RS
                                                                      This Adapted Accessory Belt is a critical component for converting to an Air Conditioning Delete Kit on your Renault Mégane 4 RS . Its dimension is precisely defined to compensate for the removal of the AC compressor. This superior quality belt is essential for...
                                                                      €29.34Price
                                                                      Accessory Belt for AC Delete Kit - Renault Mégane 4 RS
                                                                          This Adapted Accessory Belt is a critical component for converting to an Air Conditioning Delete Kit on your Renault Mégane 4 RS . Its dimension is precisely defined to compensate for the removal of the AC compressor. This superior quality belt is essential for...
                                                                          €29.34Price
                                                                          En Stock
                                                                          €25.25 Price
                                                                          En Stock
                                                                          €25.25 Price
                                                                          Accessory Belt for AC Delete Kit - Alpine A110
                                                                              This Specific Accessory Belt is an essential component when installing an Air Conditioning Delete Kit on your Alpine A110 . Its length is adjusted to bypass the air conditioning compressor that has been removed. A high-quality part, it guarantees the correct...
                                                                              €25.25Price
                                                                              Accessory Belt for AC Delete Kit - Alpine A110
                                                                                  This Specific Accessory Belt is an essential component when installing an Air Conditioning Delete Kit on your Alpine A110 . Its length is adjusted to bypass the air conditioning compressor that has been removed. A high-quality part, it guarantees the correct...
                                                                                  €25.25Price
                                                                                  Borne positive batterie Megane 3 RS et N4
                                                                                      Ensure perfect electrical conductivity with this genuine Renault positive battery terminal . Specifically designed for the Renault Megane 3 RS and Megane N4 , this battery clamp guarantees reliable starting and a stable power supply for your onboard electronic equipment, even under intensive use. ...
                                                                                      €10.58Price
                                                                                      Borne positive batterie Megane 3 RS et N4
                                                                                          Ensure perfect electrical conductivity with this genuine Renault positive battery terminal . Specifically designed for the Renault Megane 3 RS and Megane N4 , this battery clamp guarantees reliable starting and a stable power supply for your onboard electronic equipment, even under intensive use. ...
                                                                                          €10.58Price
                                                                                          Specific Accessory Belt for A/C Delete Kit Renault Clio 4 RS
                                                                                              The Optimiz Access Specific Accessory Belt is the essential part required to finalize the installation of the A/C Delete Kit on your Renault Clio 4 RS . Due to the change in the path and distance between the pulleys following the removal of the air conditioning compressor, the original belt can...
                                                                                              €29.34Price
                                                                                              Specific Accessory Belt for A/C Delete Kit Renault Clio 4 RS
                                                                                                  The Optimiz Access Specific Accessory Belt is the essential part required to finalize the installation of the A/C Delete Kit on your Renault Clio 4 RS . Due to the change in the path and distance between the pulleys following the removal of the air conditioning compressor, the original belt can...
                                                                                                  €29.34Price
                                                                                                  Tuyau entrée radiateur chauffage Megane 3 RS et N4
                                                                                                      Don't risk a costly breakdown! This cooling hose for heater radiator inlet , an original Renault part , is specifically designed for your Renault Megane 3 RS . It replaces the hose located at the engine...
                                                                                                      €56.16Price
                                                                                                      Tuyau entrée radiateur chauffage Megane 3 RS et N4
                                                                                                          Don't risk a costly breakdown! This cooling hose for heater radiator inlet , an original Renault part , is specifically designed for your Renault Megane 3 RS . It replaces the hose located at the engine...
                                                                                                          €56.16Price
                                                                                                          Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                              Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                              €96.72Price
                                                                                                              Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                  Câble alimentation protection batterie Megane 3 RS et N4
                                                                                                                  €96.72Price
                                                                                                                  En Stock
                                                                                                                  €343.21 Price
                                                                                                                  En Stock
                                                                                                                  €343.21 Price
                                                                                                                  Modine (échangeur eau huile) Clio 16S et Williams
                                                                                                                      Modine (echangeur eau huile) Clio 16S et Williams
                                                                                                                      €343.21Price
                                                                                                                      Modine (échangeur eau huile) Clio 16S et Williams
                                                                                                                          Modine (echangeur eau huile) Clio 16S et Williams
                                                                                                                          €343.21Price
                                                                                                                          En Stock
                                                                                                                          €32.92 Price
                                                                                                                          En Stock
                                                                                                                          €32.92 Price
                                                                                                                          Rampe injection Clio 2 RS 172 phase 2 et 182
                                                                                                                              Fuel injection rail Renault Clio 2 RS Phase 2 & 3 Give your Renault Clio 2 RS Phase 2 or 3 an optimum fuel supply with the genuine Renault injection rail! Designed for sports driving enthusiasts, this rail guarantees a constant and precise fuel flow, even at high engine speeds, for optimum performance and an unrivalled driving experience. ...
                                                                                                                              €32.92Price
                                                                                                                              Rampe injection Clio 2 RS 172 phase 2 et 182
                                                                                                                                  Fuel injection rail Renault Clio 2 RS Phase 2 & 3 Give your Renault Clio 2 RS Phase 2 or 3 an optimum fuel supply with the genuine Renault injection rail! Designed for sports driving enthusiasts, this rail guarantees a constant and precise fuel flow, even at high engine speeds, for optimum performance and an unrivalled driving experience. ...
                                                                                                                                  €32.92Price
                                                                                                                                  En Stock
                                                                                                                                  €202.54 Price
                                                                                                                                  En Stock
                                                                                                                                  €202.54 Price
                                                                                                                                  Ecope supérieure de radiateur Clio R3 "MAXI"
                                                                                                                                      Ecope supérieure de radiateur Clio R3 "MAXI" Ref: 7711160688
                                                                                                                                      €202.54Price
                                                                                                                                      Ecope supérieure de radiateur Clio R3 "MAXI"
                                                                                                                                          Ecope supérieure de radiateur Clio R3 "MAXI" Ref: 7711160688
                                                                                                                                          €202.54Price
                                                                                                                                          Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RSVis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS
                                                                                                                                              Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS. Vendue à l'unité - 3 Vis sont nécessaires
                                                                                                                                              €2.34Price
                                                                                                                                              Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RSVis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS
                                                                                                                                                  Vis de fixation poulie folle clim Clio 3 RS - Megane 2 RS - Megane 3 RS. Vendue à l'unité - 3 Vis sont nécessaires
                                                                                                                                                  €2.34Price
                                                                                                                                                  Clio 2 RS (X65 Cup, Gr N) Accelerator Cable Clip - OriginalClio 2 RS (X65 Cup, Gr N) Accelerator Cable Clip - Original
                                                                                                                                                      The original Renault accelerator cable clip is an essential fastening part to ensure precise and reliable accelerator operation on your Renault Clio 2 RS , Clio 2 X65 Cup , or Clio 2 Gr N . Ensure a secure connection and optimal accelerator response with this original quality clip. We ship worldwide.
                                                                                                                                                      €2.20Price
                                                                                                                                                      Clio 2 RS (X65 Cup, Gr N) Accelerator Cable Clip - OriginalClio 2 RS (X65 Cup, Gr N) Accelerator Cable Clip - Original
                                                                                                                                                          The original Renault accelerator cable clip is an essential fastening part to ensure precise and reliable accelerator operation on your Renault Clio 2 RS , Clio 2 X65 Cup , or Clio 2 Gr N . Ensure a secure connection and optimal accelerator response with this original quality clip. We ship worldwide.
                                                                                                                                                          €2.20Price
                                                                                                                                                          Fuel Pump Locking Ring and Seal Kit - Renault Sport Range
                                                                                                                                                              Ensure a leak-free fuel system with this genuine Renault fuel pump locking ring and seal kit . Essential for any intervention on the fuel sender unit, this kit prevents leaks and persistent fuel odors inside your sports vehicle's cabin. Includes the locking nut (ring) and the...
                                                                                                                                                              €55.88Price
                                                                                                                                                              Fuel Pump Locking Ring and Seal Kit - Renault Sport Range
                                                                                                                                                                  Ensure a leak-free fuel system with this genuine Renault fuel pump locking ring and seal kit . Essential for any intervention on the fuel sender unit, this kit prevents leaks and persistent fuel odors inside your sports vehicle's cabin. Includes the locking nut (ring) and the...
                                                                                                                                                                  €55.88Price
                                                                                                                                                                  Pompe à eau Origine Renault Clio 3 RS - Megane 2 RS - Megane 3 RSGenuine OEM Water Pump - Renault Clio 3 RS / Megane 2/3 RS
                                                                                                                                                                      Safeguard the mechanical reliability and thermal efficiency of your high-performance engine with the Genuine Renault Sport Water Pump for F4R and F4Rt engines . This authentic factory replacement component is essential to ensure optimum coolant circulation under intense road...
                                                                                                                                                                      €117.43Price
                                                                                                                                                                      Pompe à eau Origine Renault Clio 3 RS - Megane 2 RS - Megane 3 RSGenuine OEM Water Pump - Renault Clio 3 RS / Megane 2/3 RS
                                                                                                                                                                          Safeguard the mechanical reliability and thermal efficiency of your high-performance engine with the Genuine Renault Sport Water Pump for F4R and F4Rt engines . This authentic factory replacement component is essential to ensure optimum coolant circulation under intense road...
                                                                                                                                                                          €117.43Price
                                                                                                                                                                          En Stock
                                                                                                                                                                          €83.39 Price
                                                                                                                                                                          En Stock
                                                                                                                                                                          €83.39 Price
                                                                                                                                                                          Boitier sortie eau sans calorstat Twingo R1 R2
                                                                                                                                                                              Boitier sortie eau sans calorstat Twingo R1 R2 Référence: 7711162845
                                                                                                                                                                              €83.39Price
                                                                                                                                                                              Boitier sortie eau sans calorstat Twingo R1 R2
                                                                                                                                                                                  Boitier sortie eau sans calorstat Twingo R1 R2 Référence: 7711162845
                                                                                                                                                                                  €83.39Price
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €81.58 Price
                                                                                                                                                                                  En Stock
                                                                                                                                                                                  €81.58 Price
                                                                                                                                                                                  Flexible de carburant Té vers rampe Twingo R1 - Clio R3 Max
                                                                                                                                                                                      Do not let a preventable engine failure ruin your race weekend. This high-pressure fuel hose , an authentic Renault Sport component (references 7711160195 / 7711162420 ), is the critical link between the T-connector and the fuel injector rail . Specifically engineered for Twingo R1,...
                                                                                                                                                                                      €81.58Price
                                                                                                                                                                                      Flexible de carburant Té vers rampe Twingo R1 - Clio R3 Max
                                                                                                                                                                                          Do not let a preventable engine failure ruin your race weekend. This high-pressure fuel hose , an authentic Renault Sport component (references 7711160195 / 7711162420 ), is the critical link between the T-connector and the fuel injector rail . Specifically engineered for Twingo R1,...
                                                                                                                                                                                          €81.58Price
                                                                                                                                                                                          Calorstat Clio 3 RS 75°
                                                                                                                                                                                              Control your engine's temperature with this genuine Renault thermostat with an opening temperature of 75°C . Specifically designed for the Clio 3 RS , it also mounts without modification on the Clio 2 RS , allowing the cooling circuit to open more quickly. This part is essential for limiting temperature spikes and preventing the risk of engine overheating ...
                                                                                                                                                                                              €78.18Price
                                                                                                                                                                                              Calorstat Clio 3 RS 75°
                                                                                                                                                                                                  Control your engine's temperature with this genuine Renault thermostat with an opening temperature of 75°C . Specifically designed for the Clio 3 RS , it also mounts without modification on the Clio 2 RS , allowing the cooling circuit to open more quickly. This part is essential for limiting temperature spikes and preventing the risk of engine overheating ...
                                                                                                                                                                                                  €78.18Price