Clutch Shaft Locking Snap Ring SADEV Clio R3 - 7711162185

The Risk of Major Mechanical Failure Linked to a Worn or Reused Clutch Shaft Snap Ring

On a dog-engagement competition transmission, every locking component is subjected to extreme vibrations and ultra-fast gear changes. Attempting to reuse an old clutch shaft snap ring or installing a generic hardware snap ring on a SADEV sequential gearbox is a mistake that can be incredibly costly. Over time and under high thermal stress, the metal loses its natural elasticity and expands. If it pops out of its anchoring groove in the middle of a race, the shaft undergoes an immediate axial displacement. Without this vital retention, the gear alignment on your Renault Clio R3 is instantly disrupted: dog teeth destruction, internal gear teeth breakage, and an immediate retirement follow. Do not risk losing all the benefits of a full race weekend and avoid a gearbox rebuild invoice worth thousands of euros for a single neglected retaining part.

Certified Quality and Genuine Manufacturer Origin: Renault Sport – Reference 7711162185-0109908008

This locking snap ring has absolutely nothing in common with standard industrial hardware or fasteners. This is the official Renault Sport clutch shaft snap ring, specifically machined by racing transmission manufacturer SADEV under the dual reference number 7711162185-0109908008. Manufactured from a premium, high-resilience spring steel alloy, it is engineered to spring back to its original shape and anchor itself firmly at the bottom of the input shaft groove. It is the only homologated part capable of guaranteeing the global mechanical safety of your motorsport setup.

Technical Specifications and Assembly Tolerances

• Component Name: Elastic Retaining Snap Ring for Clutch Shaft
• Gearbox Compatibility: SADEV brand sequential transmission
• Chassis Fitment: Renault Clio R3 (All Rally and Circuit competition versions)
• Component Origin: Official Renault Sport / Alpine Racing Catalogue
• Manufacturer Reference: 7711162185-0109908008

Secure Your Race Mechanics with Optimiz Access Expertise

Since 2010, Optimiz Access has established itself as the leading specialist in the distribution of high-performance technical parts, heavy mechanical servicing, and the premium customization of sports and premium vehicles. We put our engineering know-how at the service of enthusiasts owning the finest mechanical signatures: Renault Sport, Porsche, Audi, VW, and Mercedes.

For the precision metrology, assembly, and build of your race gearboxes, we welcome you to our own specialized workshops located in the Hauts-de-France region. Our facilities are ideally situated near Cambrai, Valenciennes, Lille, Douai, Arras, Seclin, and Saint-Quentin. Because every day counts before a motorsport event, we ensure fast international shipping across the globe to secure your mechanical overhauls.

Frequently Asked Questions (FAQ) – Technical Advice for SADEV Transmissions

Why is it mandatory to replace the snap ring at every disassembly?

To be extracted from its seating groove, the clutch shaft snap ring must be expanded using specific retaining ring pliers, which causes permanent structural deformation to the metal. If refitted onto the Renault Clio R3 shaft, its radial tension will be diminished, drastically increasing the risk of it backing out at high RPMs under the effect of engine vibrations.

Are there several models of retaining rings or clips for this gearbox?

Yes, competition parts require surgical accuracy, and part number 7711162185-0109908008 is strictly calibrated for this specific SADEV shaft. To draw a parallel, please note that two completely different spark plug models exist for the Renault Megane 4 RS depending on its exact production year. If you have any doubts regarding the application, feel free to contact us with your vehicle identification number (VIN) to get an exact match confirmation.

How do I order matching parts to close up my transmission casing?

To carry out your full workshop overhaul smoothly without any delays, oil seals, pilot bearings, release mechanisms, and all other complementary products are fully accessible at the bottom of this product page.