SADEV differential pinion shaft / Renault Clio 3 CUP / Renault Clio 2 CUP / ST75-14

Product introduction

: New SADEV differential pinion shaft for the ST75-14 sequential gearbox, designed for Renault Clio 3 Cup and Renault Clio 2 Cup models equipped with this competition transmission. This internal differential component is sold individually and corresponds to SADEV part number , as well as Renault Sport part number .

Purpose of the part

: The differential pinion shaft guides and secures the differential pinions within the sequential gearbox’s differential. It plays a direct role in the proper distribution of torque between the drive wheels, particularly during acceleration, deceleration, and cornering. In a competition transmission like the SADEV ST75-14, this component is subject to high stress and must maintain perfect geometry to ensure the overall reliability of the system.

Symptoms or consequences of a worn or defective part

• : Excessive play in the differential.
• Unusual mechanical noises coming from the gearbox.
• : Accelerated wear of the differential pinions or associated components.
• : Irregular differential operation under load.
• : Risk of internal damage to the sequential gearbox if used for an extended period with a worn component.

Benefits of replacement

• Restores the proper positioning of the differential pinion gears (satellites).
• Contributes to the reliability of the SADEV ST75-14 gearbox.
• Enables a clean and long-lasting overhaul of the transmission.
• Reduces the risk of premature wear on the internal components of the differential.
• New part, suitable for intensive use in motorsport.

Specifications

• Brand: SADEV.
• Product: differential pinion shaft (satellite shaft) for a sequential gearbox.
• Type: new product.
• SADEV part number: .
• Renault Sport part number: .
• Application: differential for the SADEV ST75-14 gearbox.
• Sold individually: price is for 1 shaft.

Vehicle compatibility

• Renault Clio 3 Cup equipped with a SADEV ST75-14 sequential gearbox.
• Renault Clio 2 Cup equipped with a SADEV ST75-14 sequential gearbox.

Conclusion

This SADEV differential pinion shaft is an essential component for the maintenance or repair of the differential in ST75-14 sequential gearboxes, as fitted to the Renault Clio Cup. Replacing it helps maintain the precision, reliability, and performance of the transmission during competitive use.