Sealed Power 7288MA Engine Crankshaft Main Bearing Set

Sealed Power 7288MA Main Bearing Set

Sealed Power 7288MA is an engine crankshaft main bearing set for applications using 0.4375 in main bolts, powdered metal main caps, and A-Series aluminum bearings. It is built for standard-size service and is a direct-fit option for a wide range of GM V6 applications, including Pontiac Grand Prix, Buick LeSabre, and Chevrolet Impala engines.

Key Features

• Powdered metal main cap design support for the specified engine configuration
• Standard-size crankshaft main bearing set
• A-Series aluminum bearing construction
• Engineered for 0.4375 in main bolts
• Sealed Power part number 7288MA
• Cross-reference: MS2022A, MS2022P

Detailed Description

Sealed Power 7288MA is a crankshaft main bearing set for engines that use powdered metal main caps and 0.4375 in main bolts. The bearing design follows Sealed Power’s manufacturing approach of using modern materials and controlled production processes to support consistent engine rebuild results. This part number is listed for many GM passenger car and performance applications, including Pontiac Grand Prix, Chevrolet Impala, and Buick Regal models across the 1995-2007 range.

Compatible With 1997-2007 Pontiac Grand Prix, N/A; 2005 Buick Allure, N/A; 2005 Buick LaCrosse, N/A; 1995-2005 Buick LeSabre, N/A; 1995-2005 Buick Park Avenue, N/A; 2000-2005 Chevrolet Impala, N/A; 1998-2005 Chevrolet Monte Carlo, N/A; 1995-2005 Pontiac Bonneville, N/A; 1995-2004 Buick Regal, N/A; 1995-2002 Chevrolet Camaro, N/A; 1995-2002 Pontiac Firebird, N/A; 1995-1999 Buick Riviera, N/A; 1998-1999 Chevrolet Lumina, N/A; 1995-1999 Oldsmobile 88, N/A; 1998-1999 Oldsmobile Intrigue, N/A; 1996-1999 Oldsmobile LSS, N/A; 1997-1998 Oldsmobile Regency, N/A; 1995-1996 Oldsmobile 98, N/A; 1995 Chevrolet Lumina APV, N/A; 1995 Oldsmobile Silhouette, N/A; 1995 Pontiac Trans Sport, N/A.

What It Helps Address

• Worn or scored crankshaft main bearings during engine rebuilds
• Loss of proper crankshaft support in high-mileage engines
• Noise caused by bearing wear in the main journals
• Oil clearance issues when restoring a standard-size engine
• Fitment problems when the engine uses powdered metal main caps and the specified bolt size

Installation Notes

Verify the engine uses 0.4375 in main bolts, powdered metal main caps, and A-Series aluminum bearings before installation. Confirm the crankshaft journal condition and measure clearances during assembly to match standard-size specifications. This part number is commonly searched as Sealed Power 7288MA for GM V6 rebuilds, including Pontiac Grand Prix and Chevrolet Impala applications.

Quality Assurance

Sealed Power states that its parts are manufactured with advanced materials and ISO- and QS-certified processes to meet modern engine requirements. That manufacturing focus supports consistent fit and finish for engine rebuild work.