BCBC M-22F Engine Oil Pump

Engine Oil Pump Overview

This Melling engine oil pump, part number M-22F, is a standard replacement pump built for stock applications across a wide range of classic GM vehicles. It uses gear and gerotor engineering principles, close-tolerance machining, and pressure-and-flow testing to support consistent oil delivery.

Key Features

• Standard replacement engine oil pump for stock applications
• Steel gears with a cast iron housing and cover
• Spur gear design with standard pressure and standard volume output
• Rust preventative finish for added surface protection
• Individually tested for pressure and flow under operating conditions

Detailed Description

The Melling M-22F oil pump is engineered for dependable lubrication performance in compatible Buick, Oldsmobile, Pontiac, Chevrolet, and Cadillac applications. Its steel gear set, cast iron construction, and precision-ground end plates are designed to maintain proper engine pressure and efficient pump operation. The pump cover is included, while the gasket or seal is not. This part number M-22F is a direct fit for many stock V8-era applications, including Fits 1977-1990 Buick LeSabre, N/A and Fits 1964-1981 Oldsmobile Cutlass, N/A, making it a practical choice for restoration and maintenance work. This part cross-references Sealed Power (e.g., 224-41203) for the same application.

Common Uses

• Low oil pressure caused by a worn pump
• Inconsistent oil circulation in a stock engine
• Excessive wear from aging internal pump components
• Restoration work on classic GM engines

Installation Notes and Tips

Verify engine application, pickup tube diameter, and mounting hole dimensions before installation. The pump uses a drive shaft design and does not include a drive shaft, gasket or seal, bolts, or pickup screen. Confirm all related engine components are in serviceable condition before assembly. Fitment includes many stock applications across Buick, Oldsmobile, Pontiac, Chevrolet, and Cadillac models; review the vehicle-specific notes before ordering.

Quality Assurance

Melling manufactures this oil pump in the USA and tests each unit for pressure and flow to help ensure consistent operation. The pump is assembled to high production standards using quality materials and close-tolerance machining.