Precision-Engineered Connecting Rod Big End Bearing for Diesel Engines

High-Performance Material
Crafted from premium-grade alloy steel with advanced wear-resistant coating, ensuring exceptional durability under extreme pressure and high-temperature conditions.
Ultra-Precision Fit
Manufactured to exact OEM specifications (4W5739), guaranteeing seamless compatibility with truck engines for smooth operation and reduced friction.
Enhanced Engine Longevity
Reduces metal-to-metal contact, minimizing wear on crankshaft journals and extending the lifespan of diesel engines in heavy-duty applications.
Optimal Load Distribution
Precision-machined surface finish and uniform wall thickness ensure balanced load distribution, critical for high-torque commercial vehicles and industrial machinery.
Trusted Global Supplier
Direct factory pricing with bulk-order discounts, backed by rigorous quality control—ideal for fleet operators, repair shops, and wholesale distributors worldwide.
Key Applications
Ideal for heavy-duty trucks, construction equipment, agricultural machinery, and marine diesel engines requiring reliable rod bearing replacements.