HomeAir and Fuel Delivery > Fuel Pumps and Related ComponentsSpectra FG16B Fuel Tank Sending Unit
Part #: FG16B

Spectra FG16B Fuel Tank Sending Unit

6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, S10 and S15
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Reliable Fuel Tank Sending Unit for Chevrolet S10 and GMC S15

The Spectra FG16B fuel tank sending unit is designed specifically for Chevrolet S10 and GMC S15 models. This component ensures accurate fuel level readings, helping maintain optimal vehicle performance and fuel management.

  • Compatible with Chevrolet S10 and GMC S15 fuel systems
  • Direct replacement for original fuel tank sending units
  • Durable construction for consistent fuel level measurement
  • Part number FG16B for precise identification and fitment
  • Easy installation with OEM-style connectors

Product Details and Specifications

The Spectra FG16B fuel tank sending unit is engineered to meet the exact specifications of Chevrolet S10 and GMC S15 trucks. It replaces the factory sending unit to provide reliable and accurate fuel level data to the vehicle’s gauge. Manufactured with quality materials, this unit withstands exposure to fuel and environmental conditions inside the tank. The FG16B part number ensures compatibility and simplifies the selection process for technicians and vehicle owners. This sending unit integrates seamlessly with the existing fuel system, maintaining proper fuel delivery and monitoring.

Common Applications and Problem Resolution

This fuel tank sending unit is used to monitor fuel levels and send accurate readings to the dashboard gauge. It addresses several common issues, including:

  • Inaccurate or fluctuating fuel gauge readings
  • Fuel gauge stuck on empty or full
  • Intermittent fuel level display problems
  • Replacement of faulty or worn sending units in Chevrolet S10 and GMC S15
  • Restoring proper fuel level monitoring after fuel system repairs

Installation Notes and Tips

Installation of the Spectra FG16B fuel tank sending unit requires basic mechanical skills and safety precautions when working with fuel systems. It is recommended to relieve fuel system pressure and disconnect the battery before beginning. The unit installs directly into the fuel tank using OEM-style connectors, ensuring a secure fit. Verify proper sealing to prevent leaks and test the fuel gauge operation after installation. Consult the vehicle’s service manual for detailed instructions specific to Chevrolet S10 and GMC S15 models.

Quality Assurance and Warranty Information

Spectra manufactures the FG16B fuel tank sending unit to meet industry standards for durability and performance. While specific warranty details may vary, Spectra products typically include a limited warranty against defects in materials and workmanship. This provides assurance of product reliability when installed and used according to manufacturer guidelines.

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1986ChevroletS102.8LV6N/A13 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
1986ChevroletS102.5LL4N/A13 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
1986GMCS152.8LV6N/A13 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
1986GMCS152.5LL4N/A13 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
1985ChevroletS102.5LL4N/A13 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
1985GMCS152.5LL4N/A13 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:

25004158692058SU423TNKFG16B

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