Sealed Power 7370M Engine Crankshaft Main Bearing Set

Sealed Power 7370M Main Bearing Set

Sealed Power 7370M is an engine crankshaft main bearing set for standard applications that require a 3/4 grooved design. Built for a wide range of Chevrolet and GMC truck, van, SUV, and utility platforms, it supports rebuilds where correct bearing fit and oiling layout matter.

Key Features

• 3/4 grooved design for applications specified with this bearing style
• Standard size for engine rebuilds that call for OE-style dimensions
• Sealed Power engineering uses modern materials and controlled manufacturing processes
• Fits many Chevrolet C/K truck, GMC truck, and full-size van applications
• Part number 7370M for easy catalog matching

Application Details

Use Sealed Power 7370M when rebuilding engines in vehicles such as the Chevrolet C1500, Chevrolet K1500, GMC C1500, and GMC K1500, along with many related C/K, Suburban, Blazer, Tahoe, Yukon, Express, Savana, and P-series applications. This part cross-references MB5257SI and MS2091P for the same application. The 3/4 grooved configuration is important for engines built to this specification, helping maintain the correct oiling path and bearing fit during assembly.

What It Helps Address

• Crankshaft bearing wear found during engine teardown
• Loss of proper bearing clearance in standard rebuilds
• Incorrect bearing groove configuration for the engine build
• Noise or vibration related to worn main bearings
• Restoration work on high-mileage Chevrolet and GMC engines

Installation Notes and Tips

Confirm the engine’s bearing size and groove specification before installation. Match the bearing set to the crankshaft journal condition, clean all oil passages thoroughly, and verify clearances during assembly. The part number 7370M should be checked against the engine code and the vehicle’s original bearing configuration before final installation.

Quality Assurance

Sealed Power parts are manufactured with current material and process controls in ISO- and QS-certified facilities to meet the demands of modern engines. That focus on controlled production supports consistent fit and dependable rebuild results.