Clevite MS-1545A Engine Crankshaft Main Bearing Set

Clevite MS-1545A Main Bearing Set

Clevite MS-1545A is an engine crankshaft main bearing set for select Chevrolet small-displacement engines. It is built for OE replacement service in Mexico market applications, including Chevrolet Sonic, Cruze, Cruze Limited, and Aveo models.

Key Features

• Bi-metal aluminum construction with 100% lead-free aluminum silicon
• Higher silicon content than comparable replacement bearings for improved journal surface conditioning
• Engineered for greater seizure resistance and wear resistance
• OE replacement main bearing set for select Chevrolet engines
• Mexico Market Only application coverage

Product Details

The Clevite MS-1545A is part of Clevite’s Mexico Market Only product line, focused on service parts for specific regional vehicle applications. This engine crankshaft main bearing set uses a bi-metal aluminum design with elevated silicon content to support smoother journal conditioning and durable operation in the crankshaft main bearing locations. It is a direct-fit service part for 2009-2011 Chevrolet Aveo, 2011-2016 Chevrolet Cruze, 2016 Chevrolet Cruze Limited, and 2012-2018 Chevrolet Sonic, all listed as standard OE replacement applications. This part cross-references King Engine Bearings MB5515AM for the same application.

Common Repair Uses

• Restores crankshaft main bearing surfaces after engine wear
• Addresses bearing damage from oil contamination or lubrication loss
• Supports repair of low oil pressure-related bearing wear
• Helps correct crankshaft noise caused by worn main bearings
• Used during engine rebuilds on Chevrolet Sonic, Cruze, Cruze Limited, and Aveo engines

Installation Notes

Verify engine code, bearing size, and journal condition before installation. Clean all oil passages thoroughly, measure crankshaft journals, and confirm clearances with proper assembly tools. Follow factory service procedures for torque sequence, lubrication, and break-in requirements.

Quality Assurance

Clevite bearings are engineered for durability and dependable service in engine rebuild applications. The MS-1545A uses lead-free aluminum silicon construction with increased silicon content to improve journal conditioning and resistance to seizure and wear.