HomeAir and Fuel Delivery > Fuel Pumps and Related ComponentsSpectra FG12E Fuel Tank Sending Unit
Part #: FG12E

Spectra FG12E Fuel Tank Sending Unit

⚙️ 40 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, C3500 and K3500
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Reliable Fuel Tank Sending Unit for Chevrolet and GMC Trucks

The Spectra FG12E fuel tank sending unit is designed specifically for Chevrolet C3500 and GMC K3500 models. This component ensures accurate fuel level readings, helping maintain optimal vehicle performance and fuel management.

  • Compatible with Chevrolet C3500 and GMC K3500 trucks
  • Direct replacement for original fuel tank sending units
  • Durable construction for long-lasting performance
  • Precise fuel level measurement for reliable gauge readings
  • Part number FG12E for easy identification and fitment

Product Details and Specifications

The Spectra FG12E fuel tank sending unit is engineered to meet OEM specifications for Chevrolet and GMC heavy-duty trucks, including the C3500 and K3500 models. This unit accurately measures the fuel level inside the tank and transmits the data to the vehicle’s fuel gauge. Constructed with quality materials, it withstands the demanding conditions of fuel delivery systems. The FG12E part number ensures compatibility and simplifies the replacement process for technicians and vehicle owners.

Applications and Common Issues Addressed

  • Resolves inaccurate or fluctuating fuel gauge readings
  • Replaces faulty or damaged fuel tank sending units
  • Prevents fuel level miscommunication to the dashboard
  • Helps maintain proper fuel management and vehicle operation
  • Addresses electrical connection issues within the fuel system

Installation Notes and Tips

Installation of the Spectra FG12E fuel tank sending unit requires basic mechanical skills and proper safety precautions when working with fuel systems. Ensure the vehicle is parked on a level surface and the battery is disconnected before beginning. Carefully remove the old sending unit, taking note of the orientation and electrical connections. Install the new unit securely, verifying all seals and connections to prevent leaks. Testing the fuel gauge after installation is recommended to confirm proper operation.

Quality Assurance and Warranty Information

Spectra products are manufactured to meet industry standards for durability and performance. The FG12E fuel tank sending unit undergoes quality control inspections to ensure reliable operation in Chevrolet C3500 and GMC K3500 trucks. While specific warranty details may vary, Spectra typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.

This part fits 40 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1995ChevroletC3500Cab & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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
1995ChevroletC3500Cab & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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 & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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
1991ChevroletC3500Cab & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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
1991ChevroletC3500Cab & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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
1991ChevroletK3500Cab & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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
1991ChevroletK3500Cab & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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
1990ChevroletC3500Cab & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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
1990ChevroletC3500Cab & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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
1990ChevroletK3500Cab & Chassis7.4LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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
1990ChevroletK3500Cab & Chassis5.7LV8N/ARear Mount; w/ Harness Codes: VER; VPU; VRF; VSF; 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

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

191113952502838625028501692055SU407SU490TNKFG12E

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.