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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: 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
          Câble liaison batterie entrée coupe circuit Megane N4
              Câble liaison batterie entrée coupe circuit Megane N4
              €25.58Price
              Câble liaison batterie entrée coupe circuit Megane N4
                  Câble liaison batterie entrée coupe circuit Megane N4
                  €25.58Price
                  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
                                                          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
                                                                  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
                                                                          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
                                                                                  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
                                                                                                          €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
                                                                                                                  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
                                                                                                                          Fixations Forge Capteur Sur RadiateurFORGE MOTORSPORT FMRCLMP Sensor Securing Kit - Megane 2 RS
                                                                                                                              Secure the sensors of your Megane 2 RS with the FORGE MOTORSPORT FMRCLMP kit. Composed of 2 reinforcements, it ensures optimal support for the depression hose and pressure sensor. Avoid performance losses and reliability issues.
                                                                                                                              €36.80Price
                                                                                                                              Fixations Forge Capteur Sur RadiateurFORGE MOTORSPORT FMRCLMP Sensor Securing Kit - Megane 2 RS
                                                                                                                                  Secure the sensors of your Megane 2 RS with the FORGE MOTORSPORT FMRCLMP kit. Composed of 2 reinforcements, it ensures optimal support for the depression hose and pressure sensor. Avoid performance losses and reliability issues.
                                                                                                                                  €36.80Price
                                                                                                                                  DeatschWerks 265L/H Fuel Pump (E85) for Renault Megane 2 RS
                                                                                                                                      Secure your engine build with the DeatschWerks DW65c fuel pump , delivering a high-performance flow rate of 265L/H . Specifically engineered for the Renault Megane 2 RS , this pump offers the major advantage of being 100% E85 compatible (ethanol), making it the perfect choice for flex-fuel conversions. Its compact design allows...
                                                                                                                                      €224.09Price
                                                                                                                                      DeatschWerks 265L/H Fuel Pump (E85) for Renault Megane 2 RS
                                                                                                                                          Secure your engine build with the DeatschWerks DW65c fuel pump , delivering a high-performance flow rate of 265L/H . Specifically engineered for the Renault Megane 2 RS , this pump offers the major advantage of being 100% E85 compatible (ethanol), making it the perfect choice for flex-fuel conversions. Its compact design allows...
                                                                                                                                          €224.09Price
                                                                                                                                          En Stock
                                                                                                                                          €66.99 Price
                                                                                                                                          En Stock
                                                                                                                                          €66.99 Price
                                                                                                                                          Injecteur Clio 3 RS et X85 Cup
                                                                                                                                              The original Renault injector is an essential part to ensure precise fuel injection in the engine of your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal combustion and reliable engine performance.
                                                                                                                                              €66.99Price
                                                                                                                                              Injecteur Clio 3 RS et X85 Cup
                                                                                                                                                  The original Renault injector is an essential part to ensure precise fuel injection in the engine of your Renault Clio 3 RS and Renault Clio 3 X85 Cup . It ensures optimal combustion and reliable engine performance.
                                                                                                                                                  €66.99Price
                                                                                                                                                  Bouchon Vase Expansion 1.4 BarGenuine Renault Expansion Tank Cap 1.4 Bar - Super 5 GT Turbo / Clio 16S / Williams / R21 Turbo
                                                                                                                                                      Safeguard your cooling system with this genuine Renault expansion tank cap rated at 1.4 Bar . Specifically engineered for legendary performance models such as the Renault Super 5 GT Turbo , Clio Williams , and R21 2L Turbo , it ensures optimal pressure regulation to prevent engine overheating. A vital precision...
                                                                                                                                                      €28.78Price
                                                                                                                                                      Bouchon Vase Expansion 1.4 BarGenuine Renault Expansion Tank Cap 1.4 Bar - Super 5 GT Turbo / Clio 16S / Williams / R21 Turbo
                                                                                                                                                          Safeguard your cooling system with this genuine Renault expansion tank cap rated at 1.4 Bar . Specifically engineered for legendary performance models such as the Renault Super 5 GT Turbo , Clio Williams , and R21 2L Turbo , it ensures optimal pressure regulation to prevent engine overheating. A vital precision...
                                                                                                                                                          €28.78Price
                                                                                                                                                          Raccord Pompe à essence Clio GrN
                                                                                                                                                              Renault Clio 2 Group N Fuel Pump Connector , a component intended for the fuel supply system of vehicles configured for Group N applications. Vehicle brand: Renault Model: Clio 2 Application: Group N Part type: Fuel pump connector ...
                                                                                                                                                              €50.45Price
                                                                                                                                                              Raccord Pompe à essence Clio GrN
                                                                                                                                                                  Renault Clio 2 Group N Fuel Pump Connector , a component intended for the fuel supply system of vehicles configured for Group N applications. Vehicle brand: Renault Model: Clio 2 Application: Group N Part type: Fuel pump connector ...
                                                                                                                                                                  €50.45Price
                                                                                                                                                                  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
                                                                                                                                                                          Kit Complet Durites D'eau Clio 3 RSKit Complet Durites D'eau Clio 3 RS
                                                                                                                                                                              Kit complet de durites d'eau pour Clio 3 RS. Convient à toutes les Clio 3 RS Ce kit vient en lieu et place des durites d'origine et les remplacent avantageusement.
                                                                                                                                                                              €445.18Price
                                                                                                                                                                              Kit Complet Durites D'eau Clio 3 RSKit Complet Durites D'eau Clio 3 RS
                                                                                                                                                                                  Kit complet de durites d'eau pour Clio 3 RS. Convient à toutes les Clio 3 RS Ce kit vient en lieu et place des durites d'origine et les remplacent avantageusement.
                                                                                                                                                                                  €445.18Price