Sealed Power 224-43621 Engine Oil Pump

Engine Oil Pump for GM V8 Applications

Sealed Power 224-43621 is an engine oil pump built for a wide range of Chevrolet and GMC truck, van, SUV, and chassis applications. It includes the screen and is listed with standard volume and pressure for confirmed late-model fitments, making it a direct replacement choice for many GM small-block and related V8 setups.

Key Features

• Engine oil pump for GM applications
• Includes screen
• Sealed Power part number 224-43621
• Standard volume and pressure on listed 1997-2002 applications
• Fits a broad range of Chevrolet and GMC models from 1982-2004

Detailed Description

Sealed Power 224-43621 is engineered for engine lubrication service across many Chevrolet and GMC platforms, including C/K trucks, Suburban, Tahoe, Yukon, Express, Savana, P-series, and Hummer H1 applications. For 1997-2002 Chevrolet Express 2500, Express 3500, GMC Savana 2500, Savana 3500, and several related truck and SUV listings, the fitment notes specify included oil pickup tube and screen with standard volume and pressure. Sealed Power uses modern materials and controlled manufacturing processes to deliver consistent parts for demanding engine service. This part cross-references 6012091 and 12564768 for the same application.

What It Helps Address

• Low oil pressure caused by a worn or failing pump
• Oil circulation issues after engine rebuild or overhaul
• Lubrication concerns in high-mileage Chevrolet and GMC engines
• Replacement of a damaged or contaminated oil pump assembly
• Service needs on GM truck, van, and SUV engine platforms

Installation Notes and Tips

Verify engine code, pickup style, and application notes before installation. For listed 1997-2002 applications, confirm the included oil pickup tube and screen match the original setup. Prime the pump and inspect the oiling system, pickup, and pan for debris or wear before startup. Fitment includes 2002-2004 Hummer H1, 1997-2002 Chevrolet Express 2500, 1997-2002 GMC Savana 3500, 1997-1999 Chevrolet Tahoe, and many additional Chevrolet and GMC models shown in the fitment data.

Quality Assurance

Sealed Power parts are produced with ISO and QS certified manufacturing practices and materials selected for modern engine demands. The brand positions this oil pump as a quality replacement component for GM engine service.