Sparta PN4079 Fuel Tank Sending Unit

Fuel Tank Sending Unit for Classic Ford and Mercury

Restore accurate fuel level readings with this Sparta fuel tank sending unit, part number PN4079. It is built for gas applications and includes a float arm, strainer, and the correct single-pin male terminal layout for a direct replacement on select classic vehicles.

Key Features

• Fuel tank sending unit for gasoline systems
• Includes float arm, (2) retainer clips, and instruction sheet
• Strainer included
• 1 outlet and 1 male pin terminal
• Resistance range: 10 ohms empty, 75 ohms full
• No regulator included
• Sparta PN4079

Product Details

Sparta PN4079 is a fuel tank sending unit distributed by Delphi, an OE fuel system supplier with deep application knowledge. It is specified for higher-mileage and earlier-model vehicles, making it a practical replacement for classic Ford Mustang and Mercury Cougar fuel level sender service. This unit is designed around the listed electrical resistance values and terminal configuration to support accurate gauge operation in the correct application.

Compatible With 1964-1968 Ford Mustang and 1967-1968 Mercury Cougar fuel tank sender applications. This part cross-references Dorman OE Solutions 692-156 for the same application.

Common Issues This Part Can Address

• Inaccurate fuel gauge readings
• Fuel gauge stuck on empty or full
• Intermittent sender signal from worn internal contacts
• Fuel level reading problems after tank service
• Replacement needs on classic Mustang and Cougar fuel systems

Installation Notes and Tips

Verify the tank opening, terminal style, and resistance range before installation. Confirm the float arm moves freely and that the strainer is positioned correctly during assembly. Use the included instruction sheet and compare the removed unit to PN4079 before final installation on a 1964-1968 Ford Mustang or 1967-1968 Mercury Cougar.

Quality Assurance

Sparta is backed by Delphi, the OE full-line fuel supplier, and is positioned for fit and performance on earlier model vehicles. PN4079 is built to OE-style application requirements for the listed classic Ford and Mercury fitments.