Spectra FG12T Fuel Tank Sending Unit

Brand Spectra FG12T
Fits Chevrolet and GMC · 32 vehicles

OE-style replacement. Built for fuel level service with Spectra Premium engineering and quality control.

Rear-mount application. Configured for 31-gallon tank setups in select heavy-duty truck applications.

Cross-references 692095, 19179533 and 25026732 for the same application. See all 6.

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Fuel Tank Sending Unit for Heavy-Duty Trucks

The Spectra FG12T fuel tank sending unit is an OE-style replacement for select Chevrolet and GMC heavy-duty trucks. It is built for rear-mounted 31-gallon tank applications and is backed by Spectra Premium engineering and quality control.

  • OE replacement fuel tank sending unit for fuel level measurement and delivery system service
  • Fits rear-mounted 31-gallon tank applications
  • Designed for select Chevrolet C3500, C3500HD, and K3500 models
  • Designed for select GMC C3500, C3500HD, and K3500 models

Fitment and Application Details

Fits 1992-1995 Chevrolet C3500, N/A. Fits 1992-1995 Chevrolet C3500HD, N/A. Fits 1992-1995 Chevrolet K3500, N/A. Fits 1992-1995 GMC C3500, N/A. Fits 1992-1995 GMC C3500HD, N/A. Fits 1992-1995 GMC K3500, N/A.

This part cross-references Monroe Shocks & Struts (e.g., 692095, 19179533) for the same application.

Common Replacement Uses

  • Restores inaccurate fuel level readings
  • Addresses intermittent or failed fuel gauge operation
  • Replaces a worn sending unit in the fuel tank
  • Supports repair after tank service or component wear

Installation Notes and Quality

Before installation, the fuel tank must be inspected and cleaned. The fitment notes also state that the fuel tank lock ring and seal must be replaced, or warranty coverage is void. Verify rear-mount, 31-gallon tank application details before ordering. Spectra Premium states that its engineering, manufacturing technology, and quality control are used to meet or exceed original equipment performance.

This part fits 32 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersNotes
1995ChevroletC3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1995ChevroletC3500HD—6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1995ChevroletK3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1995GMCC3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1995GMCC3500HD—6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1995GMCK3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1994ChevroletC3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1994ChevroletC3500HD—6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1994ChevroletK3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1994GMCC3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1994GMCC3500HD—6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1994GMCK3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1993ChevroletC3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1993ChevroletC3500Cab & Chassis6.2LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1993ChevroletC3500HD—6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1993ChevroletK3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1993ChevroletK3500Cab & Chassis6.2LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1993GMCC3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1993GMCC3500Cab & Chassis6.2LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1993GMCC3500HD—6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1993GMCK3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1993GMCK3500Cab & Chassis6.2LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1992ChevroletC3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1992ChevroletC3500Cab & Chassis6.2LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1992ChevroletC3500HD—6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1992ChevroletK3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1992ChevroletK3500Cab & Chassis6.2LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1992GMCC3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1992GMCC3500Cab & Chassis6.2LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1992GMCC3500HD—6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1992GMCK3500Cab & Chassis6.5LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1992GMCK3500Cab & Chassis6.2LV8Rear Mount; 31 Gallons Tank; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
6920951917953325026732FLS1081SU407TNKFG12T