Sealed Power 224-43469 Engine Oil Pump

Engine Oil Pump for Small Block Applications

The Sealed Power 224-43469 engine oil pump is built for small block applications that need consistent oil delivery and dependable pressure control. It features a 3/4" inlet and a nylon shaft guide, making it a direct-fit option for a wide range of Chevrolet, GMC, Cadillac, and related GM vehicles.

Use this Sealed Power oil pump when servicing a Chevrolet Silverado 1500, GMC Sierra 1500, or other compatible small block V8 application. Part number 224-43469 is engineered with modern manufacturing standards and materials to support reliable engine lubrication.

Key Features

• 3/4" inlet for small block oil pump casting applications
• Nylon shaft guide for added alignment support
• Standard volume and pressure configuration
• Sealed Power OE-style replacement for a broad GM fitment range
• Cross-references select applications including DM155 and M155

Detailed Description

Sealed Power 224-43469 is an engine oil pump for GM small block platforms that require a 3/4 inch screen inlet and standard volume, standard pressure operation. It is listed for many Chevrolet and GMC trucks, vans, SUVs, and performance models, including Chevrolet Express 1500, Silverado 1500, Tahoe, GMC Savana 1500, Sierra 1500, and Cadillac Escalade. This part number also appears in applications for Chevrolet Camaro, Corvette, and Pontiac Firebird.

Sealed Power uses modern design practices and ISO- and QS-certified manufacturing to produce engine components that meet demanding service requirements. If you are replacing a worn oil pump in a Chevrolet Silverado 1500 or GMC Sierra 1500, 224-43469 provides the correct fitment profile for the specified small block oil pump casting.

Common Problems This Part Can Address

• Low oil pressure caused by a worn pump
• Inconsistent oil circulation in a small block engine
• Noise or wear related to poor lubrication
• Oil delivery issues after engine service or rebuild
• Fitment mismatch on GM small block oil pump casting applications

Installation Notes and Tips

Confirm the engine uses a small block oil pump casting with a 3/4 inch screen inlet before installation. Verify the existing pump style, pickup configuration, and engine application against the vehicle listing for your Chevrolet, GMC, Cadillac, Buick, Oldsmobile, Pontiac, or Isuzu model. Clean the mounting surfaces and inspect the pickup and drive components during service to help ensure proper oil system operation.

Quality Assurance

Sealed Power parts are manufactured using current design methods and quality-controlled production processes. This part is built to meet the requirements of modern engine service and replacement applications.