Leaf Spring Bushing

The leaf spring bushing installs in the leaf spring eye. It connects the spring to the frame bracket. This part handles the rotation and swinging motion of the spring. It also supports the full weight of the vehicle. Our product uses a strong wear-resistant rubber. A metal inner tube bonds to the rubber through high-pressure vulcanization. This design lets the product handle heavy loads from trucks and buses. It also keeps stable torsion stiffness and good wear resistance. Our product is a direct replacement for original parts. It works for heavy trucks, buses, and trailers.

The leaf spring bushing must handle harsh road conditions. We use a reinforced natural rubber compound for this part. The metal inner tube has thicker walls and higher surface hardness. This makes our product last over 100,000 kilometers. That is tested on rough roads. Since our IATF 16949 certification in 2023, we run extra tests on this product. We check torsion deformation and fatigue life. Every batch of our product meets strict heavy-vehicle requirements. We supply this part to Anhui Zhongding and ASIMCO. Annual production exceeds 300,000 pieces.

Our leaf spring bushing is available in many sizes. We also offer custom sizes based on your drawing. The inner diameter range is 15mm to 70mm. The length range is 40mm to 200mm. Hardness is adjustable from 65 to 85 Shore A. Need extra wear protection? We offer hard chrome plating or carburizing on the inner tube. This is useful for high-frequency swinging and heavy loads. Our engineers complete first articles in 15 to 20 days. We support trial orders. Packaging can be neutral or branded. Shipping is FOB Ningbo or Shanghai. Delivery takes 20 to 30 days after order confirmation. Our product is proven in heavy truck applications. It can handle over 5 tons of load per piece.

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