- New


Do not take any risk of a critical leak on your ST75-14 sequential gearbox. Without this new SADEV flange O-ring (Ref. 0201051), you compromise the vital seal on the cardan shaft output, threatening the lubrication and reliability of your Clio 2 X65 Cup transmission.
This small genuine SADEV component is designed to withstand the extreme thermal and mechanical stresses of competition. As an authorized SADEV distributor for the Renault Sport Cup ranges, Optimiz Access guarantees a part with the exact tolerance for maximum safety.
For a complete reconditioning, the sealing flange and other complementary seals are available at the bottom of this page, ensuring a perfect and durable seal.
The right-hand cardan shaft output flange O-ring (Ref. 0201051 / 0100201051) is the ultimate barrier against oil leaks on the cardan shaft output of your SADEV ST75-14 gearbox. If it is hardened, cracked, or pinched, you lose the essential seal. A small transmission oil leak on the track can quickly lead to a critical loss of lubrication, causing overheating and the destruction of the gears and bearings. The risk is twofold: the loss of vital oil and the penetration of water or contaminants (dust, mud) into the transmission. Do not let a low-cost seal compromise the precision and longevity of your Renault Clio 2 X65 Cup competition transmission.
This O-ring seal is made from a material specifically selected by SADEV to resist the high temperatures and chemical stresses of competition oils. It ensures the seal between the flange and the gearbox casing. Its replacement is mandatory during any intervention or disassembly of the sealing flange or the output shaft. This is the guarantee of a perfect seal and optimal reliability.
This part is the sealing element for the right-hand cardan shaft output flange of the SADEV ST75-14 gearbox and is compatible with equipped Renault Sport vehicles, such as:
Optimiz Access, official SADEV distributor, supplies you with only genuine parts (Ref. 0201051), ensuring quality and traceability (EEAT). We advise you to check the condition of the flange itself (available at the bottom of the page) before reassembly.
For optimal maintenance, the use of this SADEV O-ring is crucial. Relevant keywords: SADEV oil seal, cardan flange seal, ST75-14 gearbox seal, gearbox oil leak, genuine SADEV part, competition transmission repair. We guarantee quick shipping of quality sports parts.
Since 2010, we have specialized in the personalization and maintenance of sports and premium vehicles. In addition to selling the 0201051 seal, our experts can perform professional installation and maintenance of your SADEV gearbox at our workshops near Lille, Arras, and Cambrai.