WESPC Original U5MB0033B U5MB0018B Main Bearing Set 0.5 Oversize for Perkins 1104 1104D 1104C Engines
The WESPC U5MB0033B Main Bearing Set (0.20 Oversize) is a precision-engineered replacement kit designed for Perkins 1104, 1104D, 1104C diesel engines and compatible with CAT 225-7772 applications. This set includes high-quality oversize bearings that restore proper crankshaft support, reduce friction, and ensure smooth engine operation during rebuilds or maintenance. Oversize bearings are specifically designed to compensate for crankshaft regrinding, maintaining correct clearances and oil film stability.
Manufactured from durable alloy materials with advanced anti-friction coatings, the bearings deliver excellent load capacity, wear resistance, and long service life under heavy-duty conditions. Each bearing is tested for dimensional accuracy, hardness, and surface finish to meet strict OEM standards. By maintaining precise tolerances, the kit helps optimize lubrication, minimize wear, and extend overall engine life.
This kit is supplied as a complete set for main bearing replacement, making installation straightforward with standard fitment. Whether you are performing a full overhaul or preventive maintenance, the WESPC U5MB0033B Main Bearing Set provides OEM-grade compatibility, reliable performance, and long-term durability for Perkins and Caterpillar engines.
