Homeโ€บ Air and Fuel Delivery > Fuel Pumps and Related Componentsโ€บ Spectra FG12H Fuel Tank Sending Unit
Part #: FG12H

Spectra FG12H Fuel Tank Sending Unit

121 vehicles fit this part
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OE Direct Replacement โ€” Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, C10 Suburban, C1500 Suburban, C20 Suburban, C2500 Suburban, Jimmy, K10 Suburban, K1500 Suburban, K20 Suburban, K2500 Suburban, and K5 Blazer
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Spectra FG12H Fuel Tank Sending Unit

The Spectra FG12H fuel tank sending unit is a direct-fit replacement for select Chevrolet and GMC trucks and SUVs from 1978-1982. It is built to meet or exceed original equipment performance for fuel level monitoring in the tank.

  • OE-style fuel tank sending unit for fuel level signal accuracy
  • Fits select 1978-1982 Chevrolet K5 Blazer and GMC Jimmy applications
  • Also fits 1978-1981 Chevrolet C10 Suburban, C20 Suburban, K10 Suburban, K20 Suburban, and GMC C1500/C2500/K1500/K2500 Suburban
  • Configured for 31-gallon tanks on K5 Blazer and Jimmy applications
  • Configured for 31- and 40-gallon tanks on Suburban applications
  • For vehicles without fuel return and with 3 outlets

Detailed Fitment and Function

Use the Spectra FG12H when replacing a worn or inaccurate fuel tank sending unit on a classic Chevrolet K5 Blazer, GMC Jimmy, or compatible Suburban platform. This part number FG12H is engineered for direct replacement service and is listed for 1978-1982 Chevrolet K5 Blazer and GMC Jimmy, plus 1978-1981 Chevrolet C10 Suburban, C20 Suburban, K10 Suburban, K20 Suburban, and 1979-1981 GMC C1500 Suburban, C2500 Suburban, K1500 Suburban, and K2500 Suburban.

This part cross-references 692140 and SU509 for the same application.

What It Helps Address

  • Inaccurate fuel gauge readings
  • Intermittent or erratic fuel level signal
  • Fuel sender wear from age and tank contamination
  • Replacement needs during fuel tank service on classic Chevrolet and GMC trucks

Installation Notes

Before installation, inspect and clean the fuel tank thoroughly. The tank must be free of debris and contamination to protect the new sender and maintain proper operation. For warranty protection, replace the fuel tank lock ring and seal during service. Verify tank capacity, outlet count, and the no-fuel-return configuration before ordering.

Quality Assurance

Spectra Premium fuel tank sending units are manufactured with engineering, production, and quality control processes intended to match or exceed original equipment performance.

This part fits 121 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1982ChevroletK5 Blazer5.7LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1982ChevroletK5 Blazer5.0LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1982ChevroletK5 Blazer4.1LL6N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1982GMCJimmy5.7LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1982GMCJimmy5.0LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1982GMCJimmy4.1LL6N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981ChevroletC10 Suburban5.7LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981ChevroletC10 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981ChevroletC20 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981ChevroletC20 Suburban5.7LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981ChevroletC20 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981ChevroletK10 Suburban5.7LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981ChevroletK10 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981ChevroletK20 Suburban5.7LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981ChevroletK5 Blazer5.7LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981ChevroletK5 Blazer5.0LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981ChevroletK5 Blazer4.1LL6N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981GMCC1500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981GMCC1500 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981GMCC2500 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981GMCC2500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981GMCJimmy5.7LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981GMCJimmy5.0LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981GMCJimmy4.1LL6N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981GMCK1500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1981GMCK2500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletC10 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletC10 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletC10 Suburban4.1LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletC20 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletC20 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletC20 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletC20 Suburban4.8LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletK10 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletK10 Suburban4.1LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletK20 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletK20 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletK20 Suburban4.8LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletK5 Blazer5.7LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletK5 Blazer5.0LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980ChevroletK5 Blazer4.1LL6N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCC1500 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCC1500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCC1500 Suburban4.1LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCC2500 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCC2500 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCC2500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCC2500 Suburban4.8LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCJimmy5.7LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCJimmy5.0LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCJimmy4.1LL6N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCK1500 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCK1500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCK1500 Suburban4.1LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCK2500 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCK2500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1980GMCK2500 Suburban4.8LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletC10 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletC10 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletC10 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletC10 Suburban4.1LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletC20 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletC20 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletC20 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletC20 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletC20 Suburban4.8LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletK10 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletK10 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletK10 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletK10 Suburban4.1LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletK20 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletK20 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletK20 Suburban4.8LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletK5 Blazer6.6LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletK5 Blazer5.7LV8GASN/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletK5 Blazer5.0LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979ChevroletK5 Blazer4.1LL6N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCC1500 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCC1500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCC1500 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCC1500 Suburban4.1LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCC2500 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCC2500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCC2500 Suburban4.8LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCJimmy6.6LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCJimmy5.7LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCJimmy5.0LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCJimmy4.1LL6N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCK1500 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCK1500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCK1500 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCK1500 Suburban4.1LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCK2500 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCK2500 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1979GMCK2500 Suburban4.8LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletC10 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletC10 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletC10 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletC10 Suburban4.1LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletC20 Suburban7.4LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletC20 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletC20 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletC20 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletC20 Suburban4.8LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK10 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK10 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK10 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK10 Suburban4.1LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK20 Suburban6.6LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK20 Suburban5.7LV8GASN/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK20 Suburban5.0LV8N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK20 Suburban4.8LL6N/A31 & 40 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK5 Blazer7.4LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK5 Blazer6.6LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK5 Blazer5.7LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK5 Blazer5.0LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978ChevroletK5 Blazer4.1LL6N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978GMCJimmy6.6LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978GMCJimmy5.7LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978GMCJimmy5.0LV8N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation
1978GMCJimmy4.1LL6N/A31 Gallons Tank; w/o Fuel Return; 3 Outlets; 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:

25001485692140RFG12HSU509TNKFG12H

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