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1973-77 Chevrolet, GMC Suburban, 1976-77 Chevrolet Blazer, GMC Jimmy, Fuel Tank Sending Unit, 4-Line, For 25 Gallon Fuel Tank

1973-77 Chevrolet, GMC Suburban, 1976-77 Chevrolet Blazer, GMC Jimmy, Fuel Tank Sending Unit, 4-Line, For 25 Gallon Fuel Tank
$77.99 ea
NEWARRIVING SOONEstimated Ship Date 09/01/2026 (If Ordered Today)6 Available from our supplier as of 08/13/2026
Model: 5125562
IMPORTANT: Electrical items are covered by a 30 day EXCHANGE ONLY WARRANTY. There are no returns or refunds on such items.
Supplier has not provided any fitment data for this product.
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Reproduction 4-line fuel sending unit for 1973-77 Chevrolet and GMC Suburban and 1976-77 Chevrolet Blazer and GMC Jimmy models with applicable 25-gallon fuel tanks. Manufactured to factory specifications for proper fit and function, this sending unit replaces a worn, corroded, or inoperative original to help restore accurate fuel level readings and proper fuel delivery. Features a 0-90 ohm resistance range, four fuel and vapor outlets, and provisions for the factory fuel return system. Comes complete with the sender, float, lock ring, strainer, and sealing gasket. For gasoline engine applications. Replaces GM part number 6429390.

Features and Benefits:
  • Helps restore accurate and consistent fuel gauge operation
  • Manufactured to factory specifications for proper fit and function
  • Replaces a worn or inoperative sender that can cause inaccurate fuel level readings
  • 4-line configuration accommodates applicable factory fuel, return, and vapor connections
  • Provides compatibility with applicable factory fuel return systems
  • Complete assembly provides the components needed for fuel sender replacement
Additional Information:
  • Application: Fuel tank sending unit
  • Fuel Type: Gasoline
  • Fuel Tank Capacity: 25 gallons
  • Resistance Range: 0-90 ohms (Empty-Full)
  • Configuration: 4 outlets
  • Outlet Sizes: 1/4", 5/16", 3/8", and 1/2"
  • For models with fuel return system
  • Spectra Premium Part Number: FG12D
  • Replaces GM part number: 6429390
  • Includes fuel sender, float, lock ring, strainer, and sealing gasket
  • Sold individually
Chevrolet Truck Applications
  • 1973 - 1977 Chevrolet Truck
GMC Truck Applications
  • 1973 - 1977 GMC Truck

Note: For applicable models with a 25-gallon fuel tank, 4-line sending unit, and fuel return system. Verify fuel tank capacity, fuel line configuration, engine, transmission, drivetrain, and emissions equipment before ordering.

Specifications:

Height 16 in
Length 6 in
Weight 1.25 lbs
Width 7 in

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1973-77 Chevrolet, GMC Suburban, 1976-77 Chevrolet Blazer, GMC Jimmy, Fuel Tank Sending Unit, 4-Line, For 25 Gallon Fuel Tank: