HomeAir and Fuel Delivery > Fuel StorageSpectra FN05 Fuel Filler Neck
Part #: FN05

Spectra FN05 Fuel Filler Neck

⚙️ 125 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, LeSabre, Caprice, Custom Cruiser, Electra, Safari, Parisienne, Estate Wagon, Impala, Bonneville, Catalina, Laurentian, and Grand Safari
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Reliable Fuel Tank Filler Neck for Classic GM Vehicles

The Spectra FN05 fuel tank filler neck is designed to provide a secure and precise fit for select Buick, Chevrolet, Oldsmobile, and Pontiac models. This replacement part ensures proper fuel delivery and helps maintain the integrity of your vehicle's fuel system.

  • Compatible with Buick Bonneville, LeSabre, and Laurentian models
  • Fits Chevrolet Caprice, Impala, and Custom Cruiser vehicles
  • Suitable for Oldsmobile Catalina and Safari models
  • Designed for Pontiac Parisienne and Safari applications
  • Durable construction for long-lasting performance

Product Details and Compatibility

The Spectra FN05 fuel tank filler neck is engineered specifically for fuel storage systems in a range of classic GM vehicles. It provides a direct replacement for worn or damaged filler necks on Buick Bonneville, Chevrolet Caprice, Oldsmobile Catalina, and Pontiac Parisienne models, among others. This part ensures a proper seal between the fuel tank and the filler pipe, preventing leaks and contamination. The FN05 part number corresponds to a precise fitment that supports the fuel delivery system's efficiency and safety.

Common Applications and Problem Resolution

  • Replacement for cracked or corroded fuel tank filler necks
  • Eliminates fuel leaks around the filler area
  • Prevents fuel vapor loss and contamination
  • Restores proper fuel system venting and pressure balance
  • Addresses fitment issues in Buick, Chevrolet, Oldsmobile, and Pontiac fuel systems

Installation Notes and Tips

Installation of the Spectra FN05 fuel tank filler neck requires basic mechanical skills and standard hand tools. Before installation, inspect the fuel tank and surrounding components for damage or corrosion. Ensure all clamps and seals are replaced or in good condition to maintain a secure connection. Proper alignment during installation is critical to avoid leaks and ensure optimal fuel flow. Consult the vehicle’s service manual for torque specifications and detailed procedures.

Quality Assurance and Warranty Information

Manufactured by Spectra, the FN05 fuel tank filler neck meets industry standards for durability and fitment accuracy. While specific warranty details may vary, Spectra products typically come with a limited warranty against defects in materials and workmanship. This ensures confidence in the part’s reliability when installed in compatible Buick, Chevrolet, Oldsmobile, and Pontiac models.

This part fits 125 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersFuel TypePositionNotes
1990BuickLeSabreWagon5.0LV8N/A
1990BuickLeSabreWagon3.8LV6N/A
1990ChevroletCapriceWagon5.0LV8N/A
1990OldsmobileCustom Cruiser5.0LV8N/A
1989BuickLeSabreWagon5.0LV8N/A
1989BuickLeSabreWagon3.8LV6N/A
1989ChevroletCapriceWagon5.0LV8N/A
1989OldsmobileCustom Cruiser5.0LV8N/A
1989PontiacSafari5.0LV8N/A
1988BuickLeSabreWagon5.0LV8N/A
1988BuickLeSabreWagon3.8LV6N/A
1988ChevroletCapriceWagon5.7LV8N/A
1988ChevroletCapriceWagon5.0LV8N/A
1988OldsmobileCustom Cruiser5.0LV8N/A
1988PontiacSafari5.0LV8N/A
1987BuickLeSabreWagon5.0LV8N/A
1987ChevroletCapriceWagon5.7LV8N/A
1987ChevroletCapriceWagon5.0LV8N/A
1987OldsmobileCustom Cruiser5.0LV8N/A
1987PontiacSafari5.0LV8N/A
1986BuickLeSabreWagon5.0LV8N/A
1986ChevroletCapriceWagon5.0LV8N/A
1986OldsmobileCustom Cruiser5.0LV8N/A
1986PontiacParisienneWagon5.0LV8N/A
1986PontiacParisienneWagon4.3LV6N/A
1985BuickLeSabreWagon5.0LV8N/A
1985ChevroletCapriceWagon5.7LV8N/A
1985ChevroletCapriceWagon5.0LV8N/A
1985OldsmobileCustom Cruiser5.0LV8N/A
1985PontiacParisienneWagon5.7LV8N/A
1985PontiacParisienneWagon5.0LV8N/A
1985PontiacParisienneWagon4.3LV6N/A
1985PontiacParisienneWagon3.8LV6N/A
1984ChevroletCapriceWagon5.0LV8GASN/A
1984ChevroletCapriceWagon3.8LV6GASN/A
1984OldsmobileCustom Cruiser5.0LV8N/A
1984PontiacParisienneWagon5.0LV8N/A
1984PontiacParisienneWagon3.8LV6N/A
1983ChevroletCapriceWagon5.0LV8GASN/A
1983ChevroletCapriceWagon3.8LV6GASN/A
1983OldsmobileCustom Cruiser5.0LV8N/A
1983PontiacParisienneWagon5.0LV8N/A
1983PontiacParisienneWagon3.8LV6N/A
1982ChevroletCapriceWagon5.0LV8N/A
1982ChevroletCapriceWagon4.4LV8N/A
1982ChevroletCapriceWagon3.8LV6N/A
1982ChevroletImpalaWagon5.7LV8GASN/A
1982ChevroletImpalaWagon5.0LV8N/A
1982ChevroletImpalaWagon4.4LV8N/A
1982ChevroletImpalaWagon3.8LV6N/A
1982OldsmobileCustom Cruiser5.0LV8N/A
1982PontiacParisienneWagon4.4LV8N/A
1981ChevroletCapriceWagon5.0LV8N/A
1981ChevroletCapriceWagon4.4LV8N/A
1981ChevroletCapriceWagon3.8LV6N/A
1981ChevroletImpalaWagon5.7LV8GASN/A
1981ChevroletImpalaWagon5.0LV8N/A
1981ChevroletImpalaWagon4.4LV8N/A
1981ChevroletImpalaWagon3.8LV6N/A
1981OldsmobileCustom Cruiser5.0LV8N/A
1981PontiacBonnevilleWagon5.0LV8N/A
1981PontiacCatalinaWagon5.0LV8N/A
1981PontiacCatalinaWagon4.4LV8N/A
1981PontiacLaurentianWagon4.4LV8N/A
1981PontiacParisienneWagon4.4LV8N/A
1980ChevroletCapriceWagon5.7LV8GASN/A
1980ChevroletCapriceWagon5.0LV8N/A
1980ChevroletCapriceWagon4.4LV8N/A
1980ChevroletCapriceWagon3.8LV6N/A
1980ChevroletImpalaWagon5.7LV8GASN/A
1980ChevroletImpalaWagon5.0LV8N/A
1980ChevroletImpalaWagon4.4LV8N/A
1980ChevroletImpalaWagon3.8LV6N/A
1980OldsmobileCustom Cruiser5.7LV8N/A
1980OldsmobileCustom Cruiser5.0LV8N/A
1980PontiacBonnevilleWagon5.7LV8N/A
1980PontiacBonnevilleWagon4.9LV8N/A
1980PontiacCatalinaWagon5.7LV8N/A
1980PontiacCatalinaWagon4.9LV8N/A
1980PontiacCatalinaWagon4.4LV8N/A
1980PontiacLaurentianWagon4.4LV8N/A
1980PontiacParisienneWagon5.7LV8GASN/A
1979ChevroletCapriceWagon5.7LV8N/A
1979ChevroletCapriceWagon5.0LV8N/A
1979ChevroletCapriceWagon4.1LL6N/A
1979ChevroletImpalaWagon5.7LV8N/A
1979ChevroletImpalaWagon5.0LV8N/A
1979ChevroletImpalaWagon4.1LL6N/A
1979OldsmobileCustom Cruiser6.6LV8N/A
1979OldsmobileCustom Cruiser5.7LV8N/A
1979PontiacBonnevilleWagon6.6LV8N/A
1979PontiacBonnevilleWagon5.7LV8N/A
1979PontiacBonnevilleWagon4.9LV8N/A
1979PontiacCatalinaWagon6.6LV8N/A
1979PontiacCatalinaWagon5.7LV8N/A
1979PontiacCatalinaWagon4.9LV8N/A
1978ChevroletCapriceWagon5.7LV8N/A
1978ChevroletCapriceWagon5.0LV8N/A
1978ChevroletCapriceWagon4.1LL6N/A
1978ChevroletImpalaWagon5.7LV8N/A
1978ChevroletImpalaWagon5.0LV8N/A
1978ChevroletImpalaWagon4.1LL6N/A
1978OldsmobileCustom Cruiser6.6LV8N/A
1978OldsmobileCustom Cruiser5.7LV8N/A
1978PontiacBonnevilleWagon6.6LV8N/A
1978PontiacBonnevilleWagon5.7LV8N/A
1978PontiacBonnevilleWagon4.9LV8N/A
1978PontiacCatalinaWagon6.6LV8N/A
1978PontiacCatalinaWagon5.7LV8N/A
1978PontiacCatalinaWagon4.9LV8N/A
1977ChevroletCapriceWagon5.7LV8N/A
1977ChevroletCapriceWagon5.0LV8N/A
1977ChevroletImpalaWagon5.7LV8N/A
1977ChevroletImpalaWagon5.0LV8N/A
1977ChevroletImpalaWagon4.1LL6N/A
1977OldsmobileCustom Cruiser6.6LV8N/A
1977OldsmobileCustom Cruiser5.7LV8N/A
1977PontiacBonnevilleWagon6.6LV8N/A
1977PontiacBonnevilleWagon5.7LV8N/A
1977PontiacBonnevilleWagon4.9LV8N/A
1977PontiacCatalinaWagon6.6LV8N/A
1977PontiacCatalinaWagon5.7LV8N/A
1977PontiacCatalinaWagon4.9LV8N/A
1977PontiacCatalinaWagon4.1LL6N/A
1977PontiacCatalinaWagon3.8LV6N/A

* 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:

577005TNKFN05

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