
Steering Rack Bushing
Precision Support for Your Steering Gear
The steering rack bushing installs at both ends of the steering rack. This part supports the rack and provides precise guidance. It directly affects the sensitivity and accuracy of your steering system. Our product uses high-strength wear-resistant engineering plastic. A precision metal outer shell combines with the plastic through injection molding or press-fitting. This structure allows the product to handle repeated steering loads while keeping a very low friction coefficient. It also provides excellent wear resistance. This product is a direct replacement for original parts in passenger cars and commercial vehicles.
Critical Tolerances You Should Know

The steering rack bushing directly affects steering feel and safety. We inspect every product for dimensional accuracy and concentricity. The inner diameter tolerance is kept within ±0.05mm. This ensures a precise fit with the steering rack. Since our IATF 16949 certification in 2023, we have implemented full traceability for the product. We keep complete inspection records from raw material receiving to final shipment. Our product is supplied to Anhui Zhongding and ASIMCO. We are also entering the European aftermarket.
|
Parameter |
Detail |
|
Material |
High-Strength Engineering Plastic (POM/PA) + Carbon Steel Shell |
|
Working Temperature |
-40°C to +120°C |
|
Inner Diameter |
10mm – 35mm (per OEM drawing) |
|
Length |
15mm – 60mm (per OEM drawing) |
|
Certification |
IATF 16949:2016, ISO 9001:2015 |
Wear Resistance and EPS Compatibility
Our steering rack bushing uses high-wear engineering plastic. It has passed wear tests of over 200,000 cycles. The wear amount is below 0.1mm. This keeps your steering system stable throughout its service life. This product is also widely used in electric power steering (EPS) systems. We have optimized it for the high-frequency response of EPS. The friction coefficient is even lower, and the response is faster. Need a custom steering rack bushing? Our engineers can adjust the material or size. First articles are ready in 15 to 20 days. Annual capacity exceeds 30,000 pieces. Shipping is FOB Ningbo or Shanghai. Delivery takes 20 to 30 days after order confirmation.
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