Dorman 692-079 Fuel Tank Sending Unit
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Dorman

Dorman 692-079 Fuel Tank Sending Unit

Brand Dorman 692-079
Fuel Pump Included No
Gasket or Seal Included Yes
Ohms Empty 0
Ohms Full 95
Package Contents Sending Unit; Lock Ring; Gasket
Plug/Connector Type Stud
Pump Included No
Terminal Quantity 1
Terminal Type Pin
Wiring Harness Included No
Fits Chevrolet and GMC · 41 vehicles

OE-style replacement. Matches the fit and function of the original sending unit.

Quality materials. Engineered for reliable performance and durability.

Includes a gasket and lock ring for a complete installation.

Cross-references Spectra Premium FG05D and 25000613 for the same application. See all 2.

$86.17Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $86.17
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Fuel Tank Sending Unit options

Fuel Level Sending Unit for Classic GM Trucks

This Dorman fuel tank sending unit restores fuel level signal performance for select Chevrolet and GMC trucks with an auxiliary tank and 3-outlet fuel system. Dorman 692-079 is built to match the original fit and function for the listed applications, using quality materials for dependable operation.

It is a direct replacement fuel tank sending unit for 1975-1979 Chevrolet C10, C20, C30, K10, K20, C30, K30 and 1979 GMC C3500, K3500 applications with the specified tank configuration.

Key Features

  • Direct replacement fuel tank sending unit for specified Chevrolet and GMC trucks
  • Designed for auxiliary tank systems with 3 outlets
  • Pin terminal with 1 terminal and stud-style plug/connector type
  • Gasket or seal included for service replacement
  • No fuel pump included
  • Ohms range: 0 empty, 95 full
  • Package contents: sending unit, lock ring, gasket

Detailed Description

Dorman 692-079 is engineered for fuel level sender replacement on classic GM pickups that use an auxiliary tank and three-outlet configuration. It is built to match the original unit’s fit and function, helping restore accurate fuel gauge operation in the specified Chevrolet C10, C20, C30, K10, K20 and GMC C3500, K3500 applications. This part cross-references Spectra Premium FG05D for the same application.

Common Problems This Part Can Help Solve

  • Inaccurate or erratic fuel gauge readings
  • Fuel gauge stuck on empty or full
  • Intermittent sender signal from a worn internal resistor
  • Service issues caused by a damaged sender seal
  • Replacement needs after corrosion or age-related wear in the tank sender assembly

Installation Notes and Tips

Verify the vehicle has the correct auxiliary tank setup with 3 outlets before ordering. Confirm the terminal style, connector type, and ohm range match the original sender. The included lock ring and gasket support a proper tank seal during installation. Dorman 692-079 also cross-references part number 25000613 for the same application.

Quality Assurance

This fuel tank sending unit is manufactured to match original fit and function on the listed applications. Dorman uses quality materials to support reliable performance and durability in service.

Related reading

This part fits 41 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBed TypeTransmissionLitersCylindersWheel BasePositionNotes
1979ChevroletC30——7.4LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1979ChevroletC30——5.7LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1979ChevroletC30—Automatic5.7LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1979ChevroletK30——6.6LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1979ChevroletK30—Automatic5.7LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1979GMCC3500——7.4LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1979GMCC3500——6.6LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1979GMCC3500—Automatic5.7LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1979GMCK3500——7.4LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1979GMCK3500——6.6LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1979GMCK3500—Automatic5.7LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1978ChevroletC10——7.4LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1978ChevroletC20——7.4LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1978ChevroletC30——7.4LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1978ChevroletK10——6.6LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1978ChevroletK10—Automatic5.7LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1978ChevroletK20——6.6LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1978ChevroletK20—Automatic5.7LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1978ChevroletK30——6.6LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1978ChevroletK30—Automatic5.7LV8—N/Aw/Auxiliary Tank; w/3 Outlets; wo/California Emissions
1977ChevroletC10——7.4LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1977ChevroletC20——7.4LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1977ChevroletC30——7.4LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1977ChevroletK10—Automatic6.6LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1977ChevroletK10—Automatic5.7LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1977ChevroletK20—Automatic6.6LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1977ChevroletK20—Automatic5.7LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1976ChevroletC10——7.4LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1976ChevroletC20——7.4LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1976ChevroletC30——7.4LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1976ChevroletK10—Automatic6.6LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1976ChevroletK10—Automatic5.7LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1976ChevroletK20—Automatic6.6LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1976ChevroletK20—Automatic5.7LV8—N/AFuel Tank Sending Unit for vehicles with auxiliary tank and 3 outlets.
1975ChevroletC10Fleetside—7.4LV8131.5"N/AFuel Tank Sending Unit with 3 outlets
1975ChevroletC20Fleetside—7.4LV8—N/AFuel Tank Sending Unit with 3 outlets
1975ChevroletC30Fleetside—7.4LV8—N/AFuel Tank Sending Unit with 3 outlets
1975ChevroletK10FleetsideAutomatic6.6LV8—N/AFuel Tank Sending Unit with 3 outlets
1975ChevroletK10FleetsideAutomatic5.7LV8—N/AFuel Tank Sending Unit with 3 outlets
1975ChevroletK20FleetsideAutomatic6.6LV8—N/AFuel Tank Sending Unit with 3 outlets
1975ChevroletK20FleetsideAutomatic5.7LV8—N/AFuel Tank Sending Unit with 3 outlets
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Spectra Premium — FG05D25000613