Pensez à sélectionner votre vehicule pour limiter les resultats de recherche

The ultimate benchmark in the world of motorsport, SADEV designs and manufactures high-technology sequential gearboxes and transmissions. Optimiz Access is your premier distributor for the SADEV range dedicated to Renault Sport rally and circuit vehicles (Clio Cup, R3, Twingo R2, Megane N4).

SADEV: Competition Transmission Excellence at Optimiz Access

For decades, the name SADEV has resonated in paddocks and service parks as synonymous with performance, reliability, and cutting-edge engineering. As the specialist in motorsport transmissions, SADEV equips champions across all disciplines, from rally to circuit racing and rallycross.

Choosing a SADEV transmission means opting for proven technical solutions: dog-ring sequential gearboxes, high-performance limited-slip differentials, and impeccable machining quality, ensuring ultra-fast gear shifts and maximum endurance under stress.

Your SADEV Partner for the Renault Sport Range

At Optimiz Access, we share this demand for performance. Our expertise allows us to support you in the maintenance, servicing, and evolution of your SADEV transmissions. We distribute the complete range of spare parts and complete gearboxes specifically developed for Renault competition vehicles.

Find on this page all SADEV references adapted to the following models:

  • Renault Clio 2 X65 Cup and Clio Gr N
  • Renault Clio 3 X85 Cup
  • Renault Clio R3 (Access, Max)
  • Renault Twingo R2
  • Renault Megane N4

Whether you are looking for a revision kit, replacement gears, output flanges, or a complete sequential gearbox, our catalog ensures you find the original SADEV part needed to keep your vehicle at the peak of its performance.

There are 72 products.

Grid
Grid-2
List
List-2
Catelog
Sur commande ou en cours de réappro
€62.56 Price
Sur commande ou en cours de réappro
€62.56 Price
Rondelle belleville galbe 1,20 Clio Gr N
      1.20 Belleville Washer SADEV ST66 (F0085914) Precisely adjust the locking differential preload with this genuine Renault Sport 1.20 Belleville washer, manufactured by SADEV. Designed for the Renault Clio 2 Gr N equipped with the ST66 gearbox, it ensures optimal preload. Essential for maximum performance in competition.
      €62.56Price
      Rondelle belleville galbe 1,20 Clio Gr N
          1.20 Belleville Washer SADEV ST66 (F0085914) Precisely adjust the locking differential preload with this genuine Renault Sport 1.20 Belleville washer, manufactured by SADEV. Designed for the Renault Clio 2 Gr N equipped with the ST66 gearbox, it ensures optimal preload. Essential for maximum performance in competition.
          €62.56Price
          Roue de 1ère 29 dents ( 12 / 29 ) Clio Gr N1st Gear 29 Teeth Wheel (12/29) SADEV ST66 (F1903010) - Renault Clio 2 Gr N
              1st Gear 29 Teeth Wheel (12/29) SADEV ST66 (F1903010) Optimize the gearing of your SADEV ST66 gearbox with this genuine Renault Sport 1st gear 29 teeth wheel, manufactured by SADEV. Designed for the Renault Clio 2 Gr N, it ensures a precise transmission ratio and optimal performance. Essential for competition.
              €217.49Price
              Roue de 1ère 29 dents ( 12 / 29 ) Clio Gr N1st Gear 29 Teeth Wheel (12/29) SADEV ST66 (F1903010) - Renault Clio 2 Gr N
                  1st Gear 29 Teeth Wheel (12/29) SADEV ST66 (F1903010) Optimize the gearing of your SADEV ST66 gearbox with this genuine Renault Sport 1st gear 29 teeth wheel, manufactured by SADEV. Designed for the Renault Clio 2 Gr N, it ensures a precise transmission ratio and optimal performance. Essential for competition.
                  €217.49Price
                  En Stock
                  €82.49 Price
                  En Stock
                  €82.49 Price
                  Bague épaulée Clio Gr N
                      1st Gear Wheel Shoulder Ring SADEV ST66 (F1903019) Ensure the precision and reliability of your 1st gear with this genuine Renault Sport 1st gear wheel shoulder ring. Designed for the Clio Gr N's SADEV ST66 gearbox, it optimizes your transmission's operation. Essential for maintaining consistent performance in competition.
                      €82.49Price
                      Bague épaulée Clio Gr N
                          1st Gear Wheel Shoulder Ring SADEV ST66 (F1903019) Ensure the precision and reliability of your 1st gear with this genuine Renault Sport 1st gear wheel shoulder ring. Designed for the Clio Gr N's SADEV ST66 gearbox, it optimizes your transmission's operation. Essential for maintaining consistent performance in competition.
                          €82.49Price
                          Roue de 2ème 26 dents ( 15 / 26 ) Clio Gr N2nd Gear Wheel 26 Teeth (Ratio 15/26) SADEV ST66 (F1903009)
                              2nd Gear Wheel 26 Teeth (Ratio 15/26) SADEV ST66 (F1903009) Optimize your 2nd gear ratio on your SADEV ST66 gearbox with this genuine Renault Sport 2nd gear wheel with 26 teeth. Designed for the Clio Gr N, it ensures optimal performance and precise gear changes. Essential for maintaining your transmission's performance.
                              €209.54Price
                              Roue de 2ème 26 dents ( 15 / 26 ) Clio Gr N2nd Gear Wheel 26 Teeth (Ratio 15/26) SADEV ST66 (F1903009)
                                  2nd Gear Wheel 26 Teeth (Ratio 15/26) SADEV ST66 (F1903009) Optimize your 2nd gear ratio on your SADEV ST66 gearbox with this genuine Renault Sport 2nd gear wheel with 26 teeth. Designed for the Clio Gr N, it ensures optimal performance and precise gear changes. Essential for maintaining your transmission's performance.
                                  €209.54Price
                                  Centering Ring SADEV ST66 (F1903025) - Renault Clio 2 Gr NCentering Ring SADEV ST66 (F1903025) - Renault Clio 2 Gr N
                                      Centering Ring SADEV ST66 (F1903025) Ensure the precision of your transmission with this genuine Renault Sport centering ring, manufactured by SADEV. Designed for the Renault Clio 2 Gr N equipped with the ST66 gearbox, it guarantees a perfect housing for the 0103001 bearing. Essential for maximum reliability.
                                      €19.93Price
                                      Centering Ring SADEV ST66 (F1903025) - Renault Clio 2 Gr NCentering Ring SADEV ST66 (F1903025) - Renault Clio 2 Gr N
                                          Centering Ring SADEV ST66 (F1903025) Ensure the precision of your transmission with this genuine Renault Sport centering ring, manufactured by SADEV. Designed for the Renault Clio 2 Gr N equipped with the ST66 gearbox, it guarantees a perfect housing for the 0103001 bearing. Essential for maximum reliability.
                                          €19.93Price
                                          En Stock
                                          €497.40 Price
                                          En Stock
                                          €497.40 Price
                                          Fourchette 1-2 usinée) pour boite à crabot Clio Gr N
                                              Machined 1-2 Gear Fork SADEV ST66 (F02027022) Optimize the gear changes of your SADEV ST66 gearbox with this machined 1-2 gear fork from Renault Sport. Designed for the Clio Gr N, it ensures increased precision and reactivity. Essential for maintaining your transmission's performance.
                                              €497.40Price
                                              Fourchette 1-2 usinée) pour boite à crabot Clio Gr N
                                                  Machined 1-2 Gear Fork SADEV ST66 (F02027022) Optimize the gear changes of your SADEV ST66 gearbox with this machined 1-2 gear fork from Renault Sport. Designed for the Clio Gr N, it ensures increased precision and reactivity. Essential for maintaining your transmission's performance.
                                                  €497.40Price
                                                      The SADEV Clutch Release Bearing Support (references F1908252 and 0101908252 ) is an essential component for the reliable actuation of the clutch on your SADEV ST75 sequential gearbox . This genuine part is specifically designed for competition vehicles equipped with this transmission, including the Renault Clio 3 X85...
                                                      €119.71Price
                                                          The SADEV Clutch Release Bearing Support (references F1908252 and 0101908252 ) is an essential component for the reliable actuation of the clutch on your SADEV ST75 sequential gearbox . This genuine part is specifically designed for competition vehicles equipped with this transmission, including the Renault Clio 3 X85...
                                                          €119.71Price
                                                          En Stock
                                                          €234.76 Price
                                                          En Stock
                                                          €234.76 Price
                                                          Pignon de 5ème 23 dents ( 23 / 22 ) Clio Gr NPignon de 5ème 23 dents ( 23 / 22 ) Clio Gr N
                                                              Pignon de 5ème 23 dents ( 23 / 22 ) Clio Gr N F1903004
                                                              €234.76Price
                                                              Pignon de 5ème 23 dents ( 23 / 22 ) Clio Gr NPignon de 5ème 23 dents ( 23 / 22 ) Clio Gr N
                                                                  Pignon de 5ème 23 dents ( 23 / 22 ) Clio Gr N F1903004
                                                                  €234.76Price
                                                                  Cable de verrouillage M-AR Clio 3 X85 Cup
                                                                      Gearbox Reverse Gear Unlock Cable Renault Sport Clio 3 X85 Cup SADEV ST75 (Ref: 7711160360) Ensure the reliable operation of the reverse gear mechanism of your Renault Clio 3 X85 Cup equipped with the SADEV ST75 sequential gearbox with this genuine Renault Sport reverse gear unlock cable (Ref: 7711160360 ). A...
                                                                      €171.70Price
                                                                      Cable de verrouillage M-AR Clio 3 X85 Cup
                                                                          Gearbox Reverse Gear Unlock Cable Renault Sport Clio 3 X85 Cup SADEV ST75 (Ref: 7711160360) Ensure the reliable operation of the reverse gear mechanism of your Renault Clio 3 X85 Cup equipped with the SADEV ST75 sequential gearbox with this genuine Renault Sport reverse gear unlock cable (Ref: 7711160360 ). A...
                                                                          €171.70Price
                                                                          Crabot 1-2 Clio Gr NSADEV 1-2 Dog Gear - ST66 Gearbox - Renault Clio 2 Gr N
                                                                              Optimize the performance of your SADEV ST66 gearbox with this original Renault Sport 1-2 dog gear (ref. F1903011). Designed by SADEV , it ensures precise and rapid gear changes, essential for competition in the Renault Clio 2 Gr N .
                                                                              €202.03Price
                                                                              Crabot 1-2 Clio Gr NSADEV 1-2 Dog Gear - ST66 Gearbox - Renault Clio 2 Gr N
                                                                                  Optimize the performance of your SADEV ST66 gearbox with this original Renault Sport 1-2 dog gear (ref. F1903011). Designed by SADEV , it ensures precise and rapid gear changes, essential for competition in the Renault Clio 2 Gr N .
                                                                                  €202.03Price
                                                                                  Sur commande ou en cours de réappro
                                                                                  €948.16 Price
                                                                                  Sur commande ou en cours de réappro
                                                                                  €948.16 Price
                                                                                  SADEV 12-Tooth Secondary Shaft (7711129468) - Renault Clio 2 Gr N ST66 GearboxSADEV 12-Tooth Secondary Shaft (7711129468) - Renault Clio 2 Gr N ST66 Gearbox
                                                                                      The SADEV 12-Tooth Secondary Shaft (7711129468 / F19030201) is a core component of your SADEV ST66 gearbox. This original SADEV part ensures the vital connection to the differential via the 58-tooth crown wheel for the specific 12x58 final drive . The replacement of a damaged...
                                                                                      €948.16Price
                                                                                      SADEV 12-Tooth Secondary Shaft (7711129468) - Renault Clio 2 Gr N ST66 GearboxSADEV 12-Tooth Secondary Shaft (7711129468) - Renault Clio 2 Gr N ST66 Gearbox
                                                                                          The SADEV 12-Tooth Secondary Shaft (7711129468 / F19030201) is a core component of your SADEV ST66 gearbox. This original SADEV part ensures the vital connection to the differential via the 58-tooth crown wheel for the specific 12x58 final drive . The replacement of a damaged...
                                                                                          €948.16Price
                                                                                          SADEV 12/58 Final Drive Kit ST75 Gearbox Renault Clio 3 X85 CupSADEV 12/58 Final Drive Kit ST75 Gearbox Renault Clio 3 X85 Cup
                                                                                              The SADEV 12x58 Final Drive Kit (12-tooth Secondary Shaft F1908058 and 58-tooth Crown Wheel F1908059) is the ultimate transmission part for your Renault Clio 3 X85 Cup equipped with the **SADEV ST75** sequential gearbox. Choosing this final drive ensures maximum acceleration and...
                                                                                              €2,211.77Price
                                                                                              SADEV 12/58 Final Drive Kit ST75 Gearbox Renault Clio 3 X85 CupSADEV 12/58 Final Drive Kit ST75 Gearbox Renault Clio 3 X85 Cup
                                                                                                  The SADEV 12x58 Final Drive Kit (12-tooth Secondary Shaft F1908058 and 58-tooth Crown Wheel F1908059) is the ultimate transmission part for your Renault Clio 3 X85 Cup equipped with the **SADEV ST75** sequential gearbox. Choosing this final drive ensures maximum acceleration and...
                                                                                                  €2,211.77Price
                                                                                                      The 15-Tooth Secondary Shaft is a fundamental component of the SADEV ST75 sequential transmission in your Renault Clio 3 X85 Cup . Specifically designed for the 15/58 final drive , this part ensures the correct gear reduction of your gearbox. Marketed under references F19080551 and 0119080551 ,...
                                                                                                      €928.99Price
                                                                                                          The 15-Tooth Secondary Shaft is a fundamental component of the SADEV ST75 sequential transmission in your Renault Clio 3 X85 Cup . Specifically designed for the 15/58 final drive , this part ensures the correct gear reduction of your gearbox. Marketed under references F19080551 and 0119080551 ,...
                                                                                                          €928.99Price
                                                                                                              The SADEV 17-Tooth Secondary Shaft (references F9001002 / 0109001002 ) is the drive pinion for the 17/55 final drive ratio in your SADEV ST75 sequential gearbox . This piece is vital for transmitting engine power to the 55-tooth crownwheel and is homologated for the Renault Clio 2 X65 Cup ....
                                                                                                              €928.99Price
                                                                                                                  The SADEV 17-Tooth Secondary Shaft (references F9001002 / 0109001002 ) is the drive pinion for the 17/55 final drive ratio in your SADEV ST75 sequential gearbox . This piece is vital for transmitting engine power to the 55-tooth crownwheel and is homologated for the Renault Clio 2 X65 Cup ....
                                                                                                                  €928.99Price
                                                                                                                  Bague épaulée 2-3 Clio Gr NSADEV 2-3 Speed Stepped Thrust Washer ST66 - Renault Clio 2 Gr N
                                                                                                                      Guarantee the precision of 2nd and 3rd gears in your SADEV ST66 gearbox ! This 2nd-3rd gear stepped thrust washer (Ref. F1903017 ) from SADEV is essential for axial...
                                                                                                                      €97.82Price
                                                                                                                      Bague épaulée 2-3 Clio Gr NSADEV 2-3 Speed Stepped Thrust Washer ST66 - Renault Clio 2 Gr N
                                                                                                                          Guarantee the precision of 2nd and 3rd gears in your SADEV ST66 gearbox ! This 2nd-3rd gear stepped thrust washer (Ref. F1903017 ) from SADEV is essential for axial...
                                                                                                                          €97.82Price
                                                                                                                              The SADEV 2.25mm Friction Disc (references F9001006 / 0109001006 ) is a crucial element of the limited-slip differential in your SADEV ST75 sequential gearbox . With a precise thickness of 2.25mm , it is designed to maintain the ramp angle setting and ensure the necessary lock-up for your...
                                                                                                                              €83.76Price
                                                                                                                                  The SADEV 2.25mm Friction Disc (references F9001006 / 0109001006 ) is a crucial element of the limited-slip differential in your SADEV ST75 sequential gearbox . With a precise thickness of 2.25mm , it is designed to maintain the ramp angle setting and ensure the necessary lock-up for your...
                                                                                                                                  €83.76Price
                                                                                                                                  Baladeur crabot Clio Gr N
                                                                                                                                      Do not jeopardize the reliability of your gear changes! This 3-4 dog ring slider (Ref. F1903205 ) from SADEV is the essential replacement part to maintain the performance of your ST66 sequential gearbox on the <strong...
                                                                                                                                      €168.11Price
                                                                                                                                      Baladeur crabot Clio Gr N
                                                                                                                                          Do not jeopardize the reliability of your gear changes! This 3-4 dog ring slider (Ref. F1903205 ) from SADEV is the essential replacement part to maintain the performance of your ST66 sequential gearbox on the <strong...
                                                                                                                                          €168.11Price
                                                                                                                                          En Stock
                                                                                                                                          €115.82 Price
                                                                                                                                          En Stock
                                                                                                                                          €115.82 Price
                                                                                                                                          Support baladeur 3-4 Clio Gr NSADEV 3-4 Slider Support ST66 - Renault Clio 2 Gr N
                                                                                                                                              Do not compromise the precision of your 3-4 shifts! This 3-4 slider support (Ref. F1903016 ) from SADEV is a critical component for the ST66 sequential gearbox in your...
                                                                                                                                              €115.82Price
                                                                                                                                              Support baladeur 3-4 Clio Gr NSADEV 3-4 Slider Support ST66 - Renault Clio 2 Gr N
                                                                                                                                                  Do not compromise the precision of your 3-4 shifts! This 3-4 slider support (Ref. F1903016 ) from SADEV is a critical component for the ST66 sequential gearbox in your...
                                                                                                                                                  €115.82Price
                                                                                                                                                  Roue de 3ème 22 dents (16/22) Clio Gr NSADEV 3rd Gear Wheel 22 Teeth ST66 Gearbox - Renault Clio 2 Gr N
                                                                                                                                                      Don't sacrifice the performance of your SADEV ST66 gearbox ! This 3rd speed wheel (22 teeth, 16/22 ratio) from SADEV (Ref. F1903206) is an essential spare part to maintain the reliability of your Renault Clio 2 Gr N . At...
                                                                                                                                                      €213.70Price
                                                                                                                                                      Roue de 3ème 22 dents (16/22) Clio Gr NSADEV 3rd Gear Wheel 22 Teeth ST66 Gearbox - Renault Clio 2 Gr N
                                                                                                                                                          Don't sacrifice the performance of your SADEV ST66 gearbox ! This 3rd speed wheel (22 teeth, 16/22 ratio) from SADEV (Ref. F1903206) is an essential spare part to maintain the reliability of your Renault Clio 2 Gr N . At...
                                                                                                                                                          €213.70Price
                                                                                                                                                          Pignon de 4ème 22 dents ( 23 / 26 ) Clio Gr N
                                                                                                                                                              A key element of the gearbox ratio ! This SADEV 4th gear pinion, 23 teeth (P/N: F1903003 ), mates with the 26-tooth 4th gear wheel to provide the specific 4th gear ratio for your Renault Clio 2 Gr N's ST66 dog-ring gearbox . Wear on the teeth or damage to the dog rings of this pinion results in difficult...
                                                                                                                                                              €151.32Price
                                                                                                                                                              Pignon de 4ème 22 dents ( 23 / 26 ) Clio Gr N
                                                                                                                                                                  A key element of the gearbox ratio ! This SADEV 4th gear pinion, 23 teeth (P/N: F1903003 ), mates with the 26-tooth 4th gear wheel to provide the specific 4th gear ratio for your Renault Clio 2 Gr N's ST66 dog-ring gearbox . Wear on the teeth or damage to the dog rings of this pinion results in difficult...
                                                                                                                                                                  €151.32Price
                                                                                                                                                                  En Stock
                                                                                                                                                                  €706.79 Price
                                                                                                                                                                  En Stock
                                                                                                                                                                  €706.79 Price
                                                                                                                                                                  Rapport de 4ème 22/27 Megane N4SADEV 4th Gear Ratio 22/27 for Renault Mégane N4
                                                                                                                                                                      Optimize your transmission's precision with this genuine 4th gear ratio (22/27) from the Renault Sport catalog. Specifically engineered for the SADEV dog-ring gearbox used in the Mégane N4 , this official component ensures absolute reliability during high-speed gear changes in rallies or track days. Do not let a worn gear...
                                                                                                                                                                      €706.79Price
                                                                                                                                                                      Rapport de 4ème 22/27 Megane N4SADEV 4th Gear Ratio 22/27 for Renault Mégane N4
                                                                                                                                                                          Optimize your transmission's precision with this genuine 4th gear ratio (22/27) from the Renault Sport catalog. Specifically engineered for the SADEV dog-ring gearbox used in the Mégane N4 , this official component ensures absolute reliability during high-speed gear changes in rallies or track days. Do not let a worn gear...
                                                                                                                                                                          €706.79Price
                                                                                                                                                                          Roue de 4ème 26 dents ( 23 / 26 ) Clio Gr N
                                                                                                                                                                              The 4th Gear Wheel (26 Teeth) , reference F1903207 , for the 23/26 ratio, from SADEV , is an essential spare part for the ST66 sequential gearbox of your Renault Clio 2 Group N . This competition gear ensures maximum reliability and...
                                                                                                                                                                              €204.64Price
                                                                                                                                                                              Roue de 4ème 26 dents ( 23 / 26 ) Clio Gr N
                                                                                                                                                                                  The 4th Gear Wheel (26 Teeth) , reference F1903207 , for the 23/26 ratio, from SADEV , is an essential spare part for the ST66 sequential gearbox of your Renault Clio 2 Group N . This competition gear ensures maximum reliability and...
                                                                                                                                                                                  €204.64Price
                                                                                                                                                                                      The SADEV 54-Tooth Crownwheel (reference F1908252 ) is an essential element of the final drive in your SADEV ST75 sequential gearbox . Designed to be assembled with the 15-tooth secondary shaft, this genuine part ensures precise and reliable gearing for the Renault Clio 3 X85 Cup . OPTIMIZ ACCESS is a...
                                                                                                                                                                                      €1,031.42Price
                                                                                                                                                                                          The SADEV 54-Tooth Crownwheel (reference F1908252 ) is an essential element of the final drive in your SADEV ST75 sequential gearbox . Designed to be assembled with the 15-tooth secondary shaft, this genuine part ensures precise and reliable gearing for the Renault Clio 3 X85 Cup . OPTIMIZ ACCESS is a...
                                                                                                                                                                                          €1,031.42Price
                                                                                                                                                                                              The SADEV 55-Tooth Crownwheel (reference F9001012 ) is an essential component of the 17/55 final drive ratio in your SADEV ST75 sequential gearbox . This genuine part is crucial for gearing and must pair perfectly with the corresponding 17-tooth secondary shaft. It is primarily used on the Renault Clio 2 X65...
                                                                                                                                                                                              €1,031.42Price
                                                                                                                                                                                                  The SADEV 55-Tooth Crownwheel (reference F9001012 ) is an essential component of the 17/55 final drive ratio in your SADEV ST75 sequential gearbox . This genuine part is crucial for gearing and must pair perfectly with the corresponding 17-tooth secondary shaft. It is primarily used on the Renault Clio 2 X65...
                                                                                                                                                                                                  €1,031.42Price