Connecting Rod Bearing

A connecting rod bearing is the precision component that allows your engine's connecting rod to rotate smoothly around the crankshaft, handling thousands of combustion cycles under extreme pressure and heat. The MAHLE ORIGINAL/CLEVITE connecting rod bearing (SKU M77CB743VNDX) is engineered for big block Chevy engines, delivering the durability and reliability that serious boaters and marine engine builders demand. Whether you're restoring a classic inboard powerboat, rebuilding a freshwater or saltwater marine engine, or maintaining high-performance equipment, this OEM-quality bearing ensures your engine runs with the precision fit and clearance control that extends engine life.

This V-Series bearing features a narrowed design with dowel pins for precise alignment and a standard fit with extra oil clearance—a critical specification for big block applications where adequate lubrication under load prevents bearing wear and catastrophic engine failure. The extra oil clearance allows for optimal film strength between moving surfaces, reducing metal-to-metal contact and heat generation during high-RPM operation. MAHLE ORIGINAL/CLEVITE bearings are manufactured to strict OEM tolerances using advanced bearing materials that withstand the shock loads and sustained pressures common in marine duty, where engines often run at consistent high output for extended periods.

Big block Chevy engine builders, marine mechanics, and boaters restoring or maintaining inboard or performance outboard applications will benefit most from this bearing's proven reliability and OEM engineering. Installation is straightforward for experienced technicians—the doweled design ensures correct orientation on the connecting rod, preventing misalignment that could compromise bearing life. At just 0.12 lbs with compact dimensions (2.15 x 1.35 x 2.65 in), this bearing integrates seamlessly into your engine assembly. Purchase this connecting rod bearing for your big block Chevy marine engine rebuild or maintenance, and trust the same quality specification that keeps commercial fishing vessels, pleasure cruisers, and performance boats running strong.