Spectra FG61B Fuel Tank Sending Unit

Fuel Tank Sending Unit Overview

The Spectra FG61B fuel tank sending unit is an OE-style replacement for classic Dodge and Plymouth vans with a steel tank and 22-gallon fuel system. It is built for direct replacement service where accurate fuel level reporting matters.

Compatible With 1977-1979 Dodge B100, B200, B300, and CB300, plus 1977-1979 Plymouth PB100, PB200, and PB300 applications. This part cross-references Monroe Shocks & Struts (e.g., 4075024, TNKFG61B) for the same application.

Key Features

• Fuel tank sending unit for fuel level signal replacement
• OE-style fitment for steel tank, 22-gallon applications
• Manufactured with engineering and quality control standards focused on original-equipment performance
• Direct replacement part for classic Dodge and Plymouth van fuel systems

Detailed Description

Spectra Premium FG61B is engineered as a replacement fuel tank sending unit for vintage Dodge B-series and Plymouth PB-series vans. It serves the fuel gauge system by translating fuel level inside the tank into an electrical signal the dash gauge can read. The FG61B is intended for steel tank, 22-gallon applications and is a practical choice when the original sender is worn, inaccurate, or no longer functioning. The FG61B part number is useful when matching the correct sender for these classic van applications.

Common Issues It Can Solve

• Inaccurate fuel gauge readings
• Fuel gauge that stays on empty or full
• Intermittent sender signal from a worn unit
• Replacement needs for aging steel tank fuel systems

Installation Notes

Fitment notes call for replacement of the fuel tank lock ring and seal for warranty coverage. Inspect and clean the fuel tank before installation to reduce contamination and help the new sender operate correctly. Confirm steel tank and 22-gallon configuration before ordering FG61B.

Quality Assurance

Spectra Premium states that its fuel tank sending units are manufactured with engineering, production technology, and quality control processes aimed at meeting or exceeding original equipment performance. Part number FG61B is referenced for these classic Dodge and Plymouth applications.