Gearbox O-Rings • CVT Seals • Transmission Line O-Rings
Premium transmission o rings, gearbox o rings, ring cvt and oring cvt engineered for automatic, manual, and CVT transmissions.
| Axis Rubber produces high-performance transmission o rings, gearbox o rings, ring cvt, and transmission line o rings specifically designed to withstand high temperatures, automatic transmission fluid (ATF), and mechanical stress. Our O-rings ensure leak-free performance in automatic transmissions, CVT gearboxes, cooler lines, and dipstick tubes, helping maintain proper fluid pressure and prevent contamination. |
| CVT Transmissions | Automatic & Manual Gearbox | Transmission Cooler Lines |
O-rings and sealing components used in continuously variable transmission systems, including:
| Reliable sealing solutions for transmission assemblies and internal lubrication control:
| High-pressure fluid sealing for transmission cooling circuits:
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Transmission O-rings and gearbox O-rings manufactured by Axis Rubber are engineered to meet the demanding requirements of modern transmission systems. As a professional sealing solutions manufacturer with strong expertise in automotive elastomers, Axis Rubber provides customized, OEM, and ODM production services to support specific application needs. Material options include NBR (Nitrile) for cost-effective and reliable performance in standard transmissions with excellent ATF compatibility, HNBR for enhanced heat and fluid resistance in high-performance systems, and FKM (Viton) for extreme temperature environments requiring maximum durability and long service life. With advanced formulation capability and precision manufacturing, Axis Rubber delivers consistent quality sealing solutions for transmission and gearbox applications worldwide.
Recommended Materials | Key Advantages |
| HNBR (Hydrogenated Nitrile) |
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| Enhanced heat and fluid resistance – ideal for modern high-performance transmissions.. | |
| NBR (Nitrile) | |
| Excellent compatibility with ATF and cost-effective for standard transmissions. | |
| FKM / Viton | |
| Premium choice for extreme temperature and long service life applications. |
| NBR O-Rings | HNBR O-Rings | FKM O-Rings |
| Cost-effective sealing solution with excellent compatibility for ATF and standard transmission systems. Suitable for general automotive gearbox applications. | Enhanced heat resistance and fluid stability for modern high-performance transmissions. Designed for improved durability under demanding operating conditions. | High-end sealing material for extreme temperature environments and long service life requirements. Ideal for advanced automotive and heavy-duty transmission systems. |
Transmission and gearbox O-rings function as precision sealing elements that create a reliable barrier between mating metal components under dynamic operating conditions. When installed in a groove, the O-ring is compressed between surfaces, generating a controlled sealing force that prevents the leakage of transmission fluid while maintaining system pressure.
During operation, internal pressure from transmission oil further energizes the O-ring, enhancing its sealing performance by forcing it outward against the groove walls. This self-energizing effect ensures consistent sealing even under vibration, temperature fluctuations, and high-pressure cycling typical in CVT, automatic, and manual transmissions.
By maintaining fluid integrity and preventing contamination ingress, transmission and gearbox O-rings play a critical role in ensuring smooth shifting performance, lubrication stability, and long-term transmission reliability.
ISO 9001 Certified
Strict quality control and full traceability.
ATF Compatibility Tested
Tested with modern synthetic transmission fluids.
Fast Global Delivery
Standard sizes in stock.
Need a customized sealing solution for your transmission system?
Contact Axis Rubber today for OEM/ODM support and material recommendations tailored to your application.
HNBR is highly recommended for CVT applications due to its excellent heat resistance and compatibility with CVT fluids.
Yes, we offer a full range of transmission line o rings for quick connect fittings across major vehicle brands.
Absolutely. We support custom sizes, materials, and hardness based on your drawings or samples.
