Sealed Power 7388MA Engine Crankshaft Main Bearing Set

Sealed Power 7388MA Main Bearing Set

Sealed Power 7388MA is a standard-size engine crankshaft main bearing set for A-Series aluminum applications. Built with aluminum bearing material and supplied as a full set, it supports precise crankshaft location in engines that require standard-size main bearings.

Key Features

• Standard-size engine crankshaft main bearing set
• A-Series aluminum bearing material
• Full set for complete main bearing service
• Sealed Power engineering for modern engine demands
• Interchanges with 89017285, MB5682SI, MS2235AL, and MS2327A

Product Details

This Sealed Power main bearing set is built for standard-size service in A-Series aluminum engines and is listed for a range of Chevrolet and GMC truck and van applications. It is a direct-fit choice for owners searching for a Sealed Power 7388MA engine crankshaft main bearing set for 2001-2007 Chevrolet Silverado 2500 HD, Silverado 3500, Suburban 2500, Avalanche 2500, Express 3500, and GMC Sierra 2500 HD, Sierra 3500, Yukon XL 2500, and Savana 3500 applications. The part number 7388MA is also useful when cross-referencing replacement bearings for the same application.

Sealed Power parts are manufactured with advanced materials and ISO- and QS-certified processes to meet the demands of modern engines. This bearing set is intended for standard-size crankshaft main bearing service where A-Series aluminum construction is specified.

Common Reasons for Replacement

• Restoring proper crankshaft support after bearing wear
• Addressing low oil pressure caused by excessive bearing clearance
• Repairing engine noise related to worn main bearings
• Correcting scoring or damage found during engine teardown
• Returning a rebuilt engine to standard-size bearing specification

Installation Notes and Tips

Verify bearing size, journal condition, and engine code before installation. Clean all oil passages thoroughly, measure crankshaft journals and housing bores, and confirm clearances with proper assembly tools. Follow the engine builder’s specifications for lubrication, torque sequence, and final inspection. Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A; 2007 Chevrolet Silverado 3500 Classic, N/A; 2007 GMC Sierra 2500 HD Classic, N/A; 2007 GMC Sierra 3500 Classic, N/A; 2002-2006 Chevrolet Avalanche 2500, N/A; 2001-2006 Chevrolet Silverado 2500 HD, N/A; 2001-2006 Chevrolet Silverado 3500, N/A; 2001-2006 Chevrolet Suburban 2500, N/A; 2001-2006 GMC Sierra 2500 HD, N/A; 2001-2006 GMC Sierra 3500, N/A; 2001-2006 GMC Yukon XL 2500, N/A; 2001-2002 Chevrolet Express 3500, N/A; 2001-2002 GMC Savana 3500, N/A.

Quality Assurance

Sealed Power uses leading-edge materials and certified manufacturing processes to produce engine components for demanding service conditions. The 7388MA part number is supported by established interchange references for easier catalog matching.