A5420301960
Rod Bearing 0.25 Superseded by: DDE A5420303360
Detroit Diesel

The rod bearing is an essential element in the engine’s bottom end, supporting the crankshaft and facilitating smooth rotation under heavy loads. This high-quality bearing, which supersedes earlier models, is engineered to withstand the intense pressure and heat generated during combustion cycles. Proper installation and maintenance of this component are crucial for preventing excessive wear, knocking, or engine failure. It is designed to fit precisely, ensuring optimal oil clearance and lubrication flow. The control of heat and friction it provides directly influences engine efficiency, durability, and performance. Trustworthy parts sources like Source One Parts Center supply these bearings to guarantee genuine quality, helping technicians maintain the integrity of critical engine components and extend the service life of your heavy-duty diesel engine.