Sparta PN8050 Mechanical Fuel Pump

Mechanical Fuel Pump for Cadillac V8 Applications

The Sparta PN8050 mechanical fuel pump is a standard replacement for select Cadillac Eldorado, DeVille, and Fleetwood models. Built for gasoline applications, it supports the fuel delivery needs of higher-mileage and earlier model vehicles with OE-informed fit and performance.

Key Features

• Mechanical fuel pump for gasoline engines
• Standard replacement grade for select Cadillac applications
• Average flow rating: 40.0
• Operating pressure range: 5 to 7 psi
• Aluminum housing for durable construction
• Hose bead inlet with threaded outlet connection
• Includes gaskets, mounting hardware, and instruction sheet
• Part number: PN8050

Detailed Product Overview

Sparta PN8050 is a mechanical fuel pump designed for older Cadillac fuel systems that use a belt- or cam-driven pump layout. It features one 0.375-inch inlet, two outlets, and a 5/8"-18 threaded outlet fitting size, making it a direct-fit style replacement for the listed applications. The aluminum housing and included gasket set support a clean installation on compatible Cadillac Eldorado, DeVille, and Fleetwood models. This part cross-references Carter M6622 for the same application.

Vehicle Fitment

• Fits 1969-1978 Cadillac Eldorado, N/A
• Fits 1969-1976 Cadillac DeVille, N/A
• Fits 1975-1976 Cadillac Fleetwood, N/A
• Fits 1969-1972 Cadillac Fleetwood, N/A

What This Fuel Pump Helps Address

• Hard starting caused by weak fuel delivery
• Fuel starvation under normal driving conditions
• Low fuel pressure in a mechanical pump system
• Stalling related to inconsistent pump output
• Restoration needs for original-style Cadillac fuel systems

Installation Notes and Tips

Confirm inlet and outlet orientation before installation, especially on Cadillac Eldorado, DeVille, and Fleetwood applications. Replace the gasket during service and verify the threaded outlet connection and hose bead inlet are seated correctly. After installation, check fuel pressure and inspect for leaks at the pump body, fittings, and mounting surface. Part number PN8050 is intended for mechanical fuel pump systems only.

Quality Assurance

Sparta is distributed by Delphi, an OE full-line fuel supplier with deep application knowledge in fuel system fit and performance. That OE-backed sourcing helps support consistent replacement quality for higher-mileage and earlier model vehicles.