HomeAir and Fuel Delivery > Fuel StorageSpectra FN855 Fuel Tank Filler Neck
Part #: FN855

Spectra FN855 Fuel Tank Filler Neck

⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and Oldsmobile, Blazer, Bravada, and Jimmy
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Reliable Fuel Tank Filler Neck for Chevrolet, GMC, and Oldsmobile

The Spectra FN855 fuel tank filler neck is designed to provide a secure and efficient connection between the fuel filler cap and the fuel tank. Engineered for select Chevrolet, GMC, and Oldsmobile models, this part ensures proper fuel delivery and prevents leaks during refueling.

  • Compatible with Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada
  • Durable construction for long-lasting performance
  • Direct replacement part number FN855 for easy identification
  • Designed to maintain proper fuel system pressure and prevent vapor leaks
  • Precision fit to factory specifications for reliable installation

Product Details and Compatibility

The Spectra FN855 fuel tank filler neck is specifically made for fuel storage systems in Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada vehicles. This component connects the fuel filler opening to the fuel tank, allowing safe and efficient refueling. Manufactured to meet OEM standards, the FN855 ensures a tight seal and proper alignment, reducing the risk of fuel spills or vapor leaks. Its robust design withstands exposure to fuel and environmental elements, contributing to the overall integrity of the vehicle’s fuel system.

Common Applications and Problem Resolution

  • Replacement for cracked or damaged fuel tank filler necks
  • Eliminates fuel odors caused by leaks around the filler neck
  • Prevents fuel spillage during refueling
  • Restores proper fuel system pressure and vapor containment
  • Addresses fitment issues in Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada models

Installation Notes and Tips

When installing the Spectra FN855 fuel tank filler neck, ensure the vehicle is parked on a level surface and the fuel system is depressurized. Remove the old filler neck carefully to avoid damage to surrounding components. Verify the new part number FN855 matches the original to ensure compatibility. Tighten all clamps and connections securely to prevent leaks. It is recommended to inspect the fuel cap and related seals during installation for optimal performance.

Quality Assurance and Warranty

Spectra manufactures the FN855 fuel tank filler neck to meet or exceed OEM quality standards. While specific warranty details are not provided, Spectra parts typically undergo rigorous testing to ensure durability and fitment accuracy. Using this replacement part helps maintain the integrity of the fuel system in Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada vehicles.

This part fits 12 vehicles. Search below:

YearMakeModel# DoorsLitersCylindersPositionNotes
2000ChevroletBlazer4 Door4.3LV6N/AUpper Section Only; 1 Piece
2000GMCJimmy4 Door4.3LV6N/AUpper Only; Plastic Tank
2000OldsmobileBravada4.3LV6N/AUpper Section Only; 1 Piece
1999ChevroletBlazer4 Door4.3LV6N/AUpper Section Only; 1 Piece
1999GMCJimmy4 Door4.3LV6N/AUpper Only; Plastic Tank
1999OldsmobileBravada4.3LV6N/AUpper Section Only; 1 Piece
1998ChevroletBlazer4 Door4.3LV6N/AUpper Section Only; 1 Piece
1998GMCJimmy4 Door4.3LV6N/AUpper Only; Metal Or Plastic Tank
1998OldsmobileBravada4.3LV6N/AUpper Section Only; 1 Piece
1997ChevroletBlazer4 Door4.3LV6N/A1-Piece
1997GMCJimmy4 Door4.3LV6N/AUpper Only; Metal Tank
1997OldsmobileBravada4.3LV6N/AUpper Only; Metal Tank

* 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:

15725300577948FNGM103AGM038TNKFN855

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