Premium XUNPO Engine Main & Connecting Rod Bearing Set

High-Performance Material
Precision-crafted with durable alloy steel, heat-treated for superior wear resistance and extended engine life under extreme conditions.
Engineered for Precision Fit
Exact OEM specifications (3802070, 3939859, 4893693) ensure seamless compatibility with 6BT 6B5.9/6BT5.9 engines, reducing friction and optimizing power output.
Rigorous Quality Assurance
CNC-machined surfaces with micro-groove technology for consistent oil distribution, preventing overheating in heavy-duty applications like excavators.
Built for Heavy-Duty Use
Ideal for construction, mining, and industrial equipment—handles high torque and prolonged operation without failure.
Global Wholesale Advantage
Direct factory pricing, bulk discounts, and worldwide shipping—lowest cost guaranteed for large-volume buyers.