4W8091-030 Caterpillar Main Bearing .030 -Part No. 4W8091-030

The Caterpillar Main Bearing .030, 4W8091-030 is an essential component designed for the Caterpillar 3208 and 3160 engines. This bearing is a precision-manufactured .030 oversize option, designed to restore engine performance when standard bearings have worn or need replacement due to engine wear. Offering superior strength and resistance to wear, the 4W8091-030 bearing ensures smooth operation of the crankshaft, minimizing friction and preventing potential damage to critical engine components. With its precise fit and high-quality alloy construction, this main bearing provides long-lasting durability, making it an ideal choice for heavy-duty machinery and industrial applications requiring reliability in tough operating environments.