Precision-Engineered Main Bearings for Weichai Engines
High-grade alloy steel construction ensures superior durability under extreme engine stress. CNC-machined to exact OEM specifications (12160569/12273937) for seamless compatibility with Weichai power units.
Ultra-Smooth Surface Finish
Laser-polished bearing surfaces minimize friction, extending engine lifespan. Ideal for heavy-duty trucks, construction machinery, and industrial generators.
Global Wholesale Advantage
Direct factory pricing with bulk discounts—lowest online rates guaranteed. Ships worldwide with full品类 support for commercial buyers.
Rigorous Quality Validation
100% pressure-tested pre-shipment. Trusted by fleet operators and engine rebuild specialists. Stock ready for fast bulk orders.