BCBC M134 Engine Oil Pump

Engine Oil Pump Overview

This Melling engine oil pump is a standard replacement part built for dependable oil pressure and efficient circulation. It is engineered with steel gears, a cast iron housing, and a cast iron cover to support consistent operation in a wide range of applications. Part number M134 is used across many GM and Isuzu platforms, including Chevrolet Malibu, Pontiac Grand Prix, and Buick Century applications.

Key Features

• Standard replacement engine oil pump for stock applications
• Spur gear design with steel gears for precise pumping action
• Cast iron housing and cover for durable construction
• Standard pressure and standard volume configuration
• Rust preventative finish for added surface protection
• Individually tested for pressure and flow before release

Detailed Description

Melling M134 is a gear-type engine oil pump designed to maintain proper engine oil pressure and support efficient lubrication. The pump uses close-tolerance machined gears, precision-ground end plates, and modern gear and gerotor engineering to help deliver consistent flow under operating conditions. This part number M134 is a direct fit for many stock applications across Chevrolet, Pontiac, Buick, Oldsmobile, Saturn, GMC, and Isuzu models, including Chevrolet Equinox, Pontiac Torrent, and Buick Regal fitments listed below.

The pump features a drive shaft design, a 0.750-inch inlet size, and a 3/4-inch pickup tube diameter. It is supplied without a gasket or seal, and the pump cover is included. For buyers searching for an engine oil pump for Chevrolet Malibu, Pontiac Grand Prix, or Buick Century applications, M134 provides a standard-pressure, standard-volume solution built to OE-style replacement expectations.

What It Is Used For

• Restoring proper engine oil pressure
• Replacing a worn or low-output oil pump
• Addressing low oil pressure warning conditions
• Supporting consistent lubrication in stock engine setups
• Correcting pump wear that can affect engine operation

Installation Notes and Tips

Verify the inlet design and application notes before installation, especially for 1990 Buick, Chevrolet, Oldsmobile, and Pontiac models that require the 2nd design with a 3/4-inch diameter inlet hole. Confirm the pump matches the engine configuration and stock application listed for your vehicle. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Melling manufactures this oil pump in the USA and tests each unit for pressure and flow under conditions intended to duplicate actual engine operating conditions. The brand’s production standards, close-tolerance machining, and precision-ground components support consistent quality control for M134.