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Spectra FG12P Fuel Tank Sending Unit
| Brand | Spectra FG12P |
|---|---|
| Fits | Chevrolet and GMC · 73 vehicles |
OE-style replacement. Built to match original equipment performance expectations for fuel level service.
Quality-controlled manufacturing. Engineering and production standards support consistent replacement part output.
Cross-references 25003279, RFG12P and SU493 for the same application. See all 4.
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Fuel Tank Sending Unit Overview
The Spectra FG12P fuel tank sending unit is an OE-style replacement for select Chevrolet and GMC commercial vans and chassis applications. It is built to match original equipment performance for accurate fuel level reporting and dependable operation.
Fits 1982-1989 Chevrolet P20, N/A. Fits 1982-1989 Chevrolet P30, N/A. Fits 1982-1989 GMC P3500, N/A.
Key Features
- OE-style fuel tank sending unit for direct replacement use.
- Engineered and manufactured with quality control standards aligned to original equipment expectations.
- Supports accurate fuel level signal output from the tank assembly.
- Part number FG12P for easy identification and ordering.
Detailed Description
Spectra Premium designs the FG12P to replace the original fuel tank sending unit in compatible Chevrolet P20, Chevrolet P30, and GMC P3500 applications. This unit is intended for 40-gallon tanks and 1982-1989 model-year coverage shown in the fitment data. The FG12P is also cross-referenced to 25003279 and SU493 for the same application.
For buyers restoring or maintaining a Chevrolet P20, Chevrolet P30, or GMC P3500, this sending unit provides a replacement path that follows original equipment specifications closely. The part number FG12P appears in the product listing and on related interchange references, helping confirm the correct fuel system component before installation.
What It Helps Solve
- Inaccurate fuel gauge readings caused by a worn sending unit.
- Intermittent or unstable fuel level signal output.
- Fuel tank service needs on aging commercial vehicle platforms.
- Replacement of a failed original fuel level sender during tank maintenance.
Installation Notes and Tips
Fitment notes specify 40-gallon tanks and no A/C for the listed applications. The fitment notes also state that the fuel tank lock ring and seal must be replaced or the warranty is void, and the fuel tank must be inspected and cleaned before installation. Verify tank configuration and application details before ordering FG12P.
Quality Assurance
Spectra Premium states that its engineering, manufacturing technology, and quality control help fuel tank sending units meet or exceed original equipment performance. The part number FG12P is supported by interchange references 25003279 and SU493 for the same application.
This part fits 73 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 1989 | Chevrolet | P20 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1989 | Chevrolet | P30 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1989 | Chevrolet | P30 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1989 | GMC | P2500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1989 | GMC | P3500 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1989 | GMC | P3500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1988 | Chevrolet | P20 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1988 | Chevrolet | P30 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1988 | Chevrolet | P30 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1988 | Chevrolet | P30 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1988 | GMC | P3500 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1988 | GMC | P3500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1988 | GMC | P3500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1987 | Chevrolet | P20 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1987 | Chevrolet | P20 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1987 | Chevrolet | P30 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1987 | Chevrolet | P30 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1987 | Chevrolet | P30 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1987 | GMC | P2500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1987 | GMC | P2500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1987 | GMC | P3500 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1987 | GMC | P3500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1987 | GMC | P3500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1986 | Chevrolet | P20 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1986 | Chevrolet | P20 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1986 | Chevrolet | P30 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1986 | Chevrolet | P30 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1986 | Chevrolet | P30 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1986 | GMC | P2500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1986 | GMC | P2500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1986 | GMC | P3500 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1986 | GMC | P3500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1986 | GMC | P3500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1985 | Chevrolet | P20 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1985 | Chevrolet | P20 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1985 | Chevrolet | P30 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1985 | Chevrolet | P30 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1985 | Chevrolet | P30 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1985 | GMC | P2500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1985 | GMC | P2500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1985 | GMC | P3500 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1985 | GMC | P3500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1985 | GMC | P3500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1984 | Chevrolet | P20 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1984 | Chevrolet | P20 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1984 | Chevrolet | P30 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1984 | Chevrolet | P30 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1984 | Chevrolet | P30 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1984 | GMC | P2500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1984 | GMC | P2500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1984 | GMC | P3500 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1984 | GMC | P3500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1984 | GMC | P3500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1983 | Chevrolet | P20 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1983 | Chevrolet | P20 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1983 | Chevrolet | P30 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1983 | Chevrolet | P30 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1983 | Chevrolet | P30 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1983 | GMC | P2500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1983 | GMC | P2500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1983 | GMC | P3500 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1983 | GMC | P3500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1983 | GMC | P3500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1982 | Chevrolet | P20 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1982 | Chevrolet | P20 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1982 | Chevrolet | P30 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1982 | Chevrolet | P30 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1982 | Chevrolet | P30 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1982 | GMC | P2500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1982 | GMC | P2500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1982 | GMC | P3500 | 7.4L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1982 | GMC | P3500 | 5.7L | V8 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1982 | GMC | P3500 | 4.8L | L6 | 40 Gallons Tank; w/o A/C; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| No rows match your filter. | |||||
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
25003279RFG12PSU493TNKFG12P