1N-4316 Main Bearing (127.61mm OD) for Caterpillar D353 & G353D Engines

The Main Bearing 1N-4316 is a precision-engineered component designed for heavy-duty Caterpillar D353 and G353D engines. With a precise 127.61mm outer diameter, this bearing provides critical crankshaft support, ensuring smooth rotation and reducing friction. Manufactured from high-strength, heat-resistant alloy, it is built to endure the rigorous demands of industrial and construction applications. Engineered to meet strict Caterpillar OEM standards, the 1N-4316 main bearing guarantees reliable engine performance and extended service life under extreme operating conditions.