HomeAir and Fuel Delivery > Fuel StorageSpectra FN508 Fuel Tank Filler Neck
Part #: FN508

Spectra FN508 Fuel Tank Filler Neck

⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$152.02Free Shipping
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🔄Free Returns*Wrong fit? No cost
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*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, DeVille
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Fuel Tank Filler Neck for Cadillac DeVille

The Spectra FN508 fuel tank filler neck is designed specifically for Cadillac DeVille models, providing a secure and precise fit. This component ensures proper fuel delivery and prevents leaks during refueling.

  • Compatible with Cadillac DeVille fuel systems
  • Durable construction for long-lasting performance
  • Exact fitment with part number FN508 for easy replacement
  • Resists corrosion and fuel exposure
  • Maintains proper fuel flow and sealing

Durable Fuel Tank Filler Neck for Cadillac DeVille

The Spectra FN508 fuel tank filler neck is engineered to meet OEM specifications for Cadillac DeVille vehicles. Its robust design helps maintain the integrity of the fuel system by providing a reliable connection between the fuel filler cap and the fuel tank. This part is manufactured to resist corrosion and withstand exposure to fuel and environmental elements, ensuring consistent performance over time. Using the correct filler neck like the FN508 helps prevent fuel leaks and vapor loss, which can affect vehicle operation and emissions.

Common Applications and Problem Resolution

  • Replacement for damaged or cracked fuel tank filler necks on Cadillac DeVille
  • Eliminates fuel leaks during refueling
  • Prevents fuel vapor escape and associated odors
  • Restores proper fuel flow to the tank
  • Addresses fitment issues caused by worn or corroded filler necks

Installation Notes and Tips

When installing the Spectra FN508 fuel tank filler neck, ensure the vehicle is parked on a level surface and the fuel system is depressurized. Verify the part number matches your Cadillac DeVille’s requirements before installation. Properly secure all clamps and connections to avoid leaks. Inspect surrounding components for wear or damage during replacement to maintain overall fuel system integrity.

Quality Assurance and Warranty Information

Spectra parts are manufactured to meet or exceed industry standards for quality and durability. The FN508 fuel tank filler neck undergoes rigorous testing to ensure reliable performance in Cadillac DeVille vehicles. Please refer to Spectra’s warranty policy for specific coverage details related to this part.

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997CadillacDeVille4.6LV8N/A
1996CadillacDeVille4.6LV8N/A
1995CadillacDeVille4.9LV8N/A
1995CadillacDeVille4.6LV8N/A
1994CadillacDeVille4.9LV8N/A
1994CadillacDeVille4.6LV8N/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:

2565617628300933545371577919FNGM012FNSGM012GM007JLCGM007KFN83TNKFN508

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