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This part fits your vehicle!
Based on the manufacturer’s specs, this product is an exact fit for your 1979-1985 Buick Riviera
1979-1985 Buick Riviera - Spectra Fuel Tank - 20 Gallons / 76 Liters
Part number: SPIGM21A
Manufacturer number: GM21A
Product Description: SPECTRA FUEL TANK, 20 GALLONS/76 LITERS -- 40-3/8 in. length; 39 in. width; 9-1/4 in. height; With lock ring; Does...Read More
Size: 20 Gallons / 76 Liters
Warranty: Spectra's 3-year warranty
Fit note:
- Without Filler Neck, Use When Replacing Stock Engine, With Late Model Engine
- Without Fillerneck
- Overview
- Extended Warranty
SPECTRA FUEL TANK, 20 GALLONS/76 LITERS -- 40-3/8 in. length; 39 in. width; 9-1/4 in. height; With lock ring; Does not include seals, filler, and pan; Every unit is 100 percent tested and manufactured using American-made OEM approved Ni-Terne LT35 steel; Direct fit OE replacement fuel tank; Manufactured under ISO 9001 quality systems; Requires fuel tank strap part number SPIST67 which is sold separately; With Spectra's 3-year warranty.
This product fits the following Buick Riviera submodels
This product fits the following Buick Riviera submodels
- 1979-1980: Base; 8 Cyl 5.7L; "GAS, CARB, VIN R"
- 1979-1980: S; 6 Cyl 3.8L; "GAS, CARB, Turbocharged, VIN 3"
- 1979-1980: S; 8 Cyl 5.7L; "GAS, CARB, VIN R"
- 1980-1980: S; 8 Cyl 5.0L; "GAS, CARB, VIN Y"
- 1980-1981: Base; 6 Cyl 3.8L; "GAS, CARB, Turbocharged, VIN 3"
- 1980-1985: Base; 8 Cyl 5.0L; "GAS, CARB, VIN Y"
- 1980-1985: Base; 8 Cyl 5.7L; "DIESEL, FI, VIN N"
- 1981-1981: T-Type; 6 Cyl 4.1L; "GAS, CARB, VIN 4"
- 1981-1981: T-Type; 8 Cyl 5.0L; "GAS, CARB, VIN Y"
- 1981-1982: T-Type; 6 Cyl 3.8L; "GAS, CARB, Turbocharged, VIN 3"
- 1981-1984: Base; 6 Cyl 4.1L; "GAS, CARB, VIN 4"
- 1982-1982: Limited Edition; 6 Cyl 4.1L; "GAS, CARB, VIN 4"
- 1982-1982: Limited Edition; 8 Cyl 5.0L; "GAS, CARB, VIN Y"
- 1982-1982: Limited Edition; 8 Cyl 5.7L; "DIESEL, FI, VIN N"
- 1983-1983: T-Type; 6 Cyl 3.8L; "GAS, CARB, Turbocharged, VIN 8"
- 1983-1983: XX Anniversary Edition; 6 Cyl 4.1L; "GAS, CARB, VIN 4"
- 1983-1983: XX Anniversary Edition; 8 Cyl 5.0L; "GAS, CARB, VIN Y"
- 1983-1983: XX Anniversary Edition; 8 Cyl 5.7L; "DIESEL, FI, VIN N"
- 1983-1984: Luxury; 6 Cyl 4.1L; "GAS, CARB, VIN 4"
- 1983-1985: Luxury; 8 Cyl 5.0L; "GAS, CARB, VIN Y"
- 1983-1985: Luxury; 8 Cyl 5.7L; "DIESEL, FI, VIN N"



