BCBC MPR-21 Engine Push Rod

Engine Push Rod for Cadillac V8 Applications

The Melling MPR-21 engine push rod is a standard replacement component for select Cadillac valve train applications. It is built in the USA from welded steel and uses rounded ends for consistent contact at both ends of the push rod.

Key Features

• Standard replacement push rod for valve train service
• Welded steel construction for strength and stability
• Rounded end top and bottom tips
• 0.312 in. diameter and 9.57 in. length
• Drilled: No
• Made in the USA

Detailed Description

The MPR-21 is a Melling push rod engineered for standard engine applications where correct valve train geometry matters. Melling recommends replacing push rods during service to help maintain proper valve train performance, and this part number is listed for stock applications across 1957-1962 Cadillac models including DeVille, Eldorado, Series 62, Series 60 Fleetwood, Series 75 Fleetwood, and Commercial Chassis. The MPR-21 part number is also referenced for the same application under cross-reference numbers such as 74-6021 and PR-21.

For buyers searching for a Cadillac DeVille push rod, Cadillac Eldorado push rod, or Cadillac Series 62 valve train component, this welded steel design provides the specified length and tip geometry needed for the application. The MPR-21 is a direct-fit style replacement for the listed stock configurations.

What It Is Used For

• Replacing a worn or bent push rod in the valve train
• Restoring correct valve lift and timing relationship
• Addressing noisy or inconsistent valvetrain operation
• Correcting geometry issues after engine service
• Servicing stock Cadillac V8 valve train assemblies

Installation Notes and Tips

Verify the engine serial number note for 1957-1958 Cadillac applications before ordering; listed fitment applies after serial number 43297. Confirm push rod length, diameter, and rounded-end tip style against the original part before installation. Melling recommends installing new push rods during valve train service to maintain proper geometry.

Quality Assurance

Melling manufactures this push rod to stringent specifications using quality materials and controlled production processes. The part is made in the USA and is intended for standard replacement use in the listed Cadillac applications.