Automotive oil seals and o-rings
O-rings and oil seals, among other sealing products for the automotive industry

As a professional manufacturer of oil seals and O-rings, KODA understands the critical role O-rings and seals play in the automotive industry. From sealing critical fluids to ensuring optimal pressure management, our high-quality seals help improve overall vehicle performance and extend service life.
As an ISO 9001 certified manufacturer, we offer a full range of products in compliance with AS568 standard sizes, delivering consistent and reliable quality. In addition, all our seals are custom-engineered in strict accordance with the requirements of the Production Part Approval Process (PPAP), ensuring stable production within specified tolerances and at the defined process capability level (Cpk). Our custom tooling and mold manufacturing capabilities provide exceptional precision, guaranteeing a perfect fit for any automotive component.
To enhance transparency, we can provide all levels of PPAP documentation upon customer request, detailing the use of custom tooling, comprehensive test reports, and demonstrating the dimensional accuracy of our O-rings maintained over production time. This enables our automotive customers to trust in the consistency and quality of our products.

Solutions to sealing challenges in the automotive industry
We offer a comprehensive range of seals and sealing compounds, engineered to meet the diverse sealing requirements of the automotive industry. Whether delivering high-temperature resistance for high-performance engines, chemical resistance for transmissions and braking systems, or maintaining effective sealing under high pressure, our seals ensure optimal functionality and long-term durability.
Recommended sealing solutions for automotive applications
| Seal | Description | Characteristics | Use Case Examples |
|---|---|---|---|
| AFLAS O-Rings | Engineered for high-temperature environments | High-temperature resistance, aggressive fluid resistance | Turbochargers, EGR Systems, Oil Field Applications |
| Nitrile O-Rings | Excellent for general sealing applications, resistant to oils, fuels, some solvents | Oil and fuel resistance, general-purpose sealing | Fuel Systems, Oil-Filled Shock Absorbers, Hydraulic Systems |
| Oil Seals | Oil seals are designed to keep oil in and contaminants out, safeguarding essential areas | Oil containment, high and low-temperature operation | Engine, Transmission, Differential |
| Silicone O-Rings | Known for excellent high and low-temperature resistance | High and low-temperature resistance, flexibility | Coolant Systems, HVAC Systems, Electrical Insulation Seals |
| Viton O-Rings | Superior chemical resistance, perfect for exposure to fuels, lubricants | Chemical resistance, fuel and lubricant compatibility | Fuel Systems, Power Steering Systems, Transmissions |
KODA O-rings and seals: Your customized sealing solutions
For orders or more information, please call +86 18730921709 or fill out the product inquiry form. You can also visit our online store to browse a wide range of automotive seals.