HomeAir and Fuel Delivery > Fuel StorageSpectra FN651 Fuel Filler Neck
Part #: FN651

Spectra FN651 Fuel Filler Neck

⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$131.93Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ 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: Dodge, Ram 2500 and Ram 3500
🔄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 Dodge Ram 2500 and 3500

The Spectra FN651 fuel tank filler neck is designed specifically for Dodge Ram 2500 and Ram 3500 models. This component ensures a secure and proper connection between the fuel filler cap and the fuel tank, maintaining fuel system integrity and preventing leaks.

  • Compatible with Dodge Ram 2500 and Ram 3500 trucks
  • Durable construction for long-lasting performance
  • Direct replacement for original equipment part number FN651
  • Ensures proper fuel flow and sealing
  • Easy to install with standard tools

Product Details and Compatibility

The Spectra FN651 fuel tank filler neck is engineered to meet the specifications required by Dodge Ram 2500 and Ram 3500 vehicles. This part connects the fuel filler opening to the fuel tank, allowing for safe and efficient refueling. Manufactured with quality materials, it resists corrosion and wear from exposure to fuel and environmental elements. The part number FN651 corresponds directly to the replacement component needed for these specific Dodge models, ensuring a precise fit and reliable operation.

Common Applications and Problem Resolution

This fuel tank filler neck is used to address several common issues related to fuel delivery and storage systems in Dodge Ram 2500 and 3500 trucks:

  • Prevents fuel leaks caused by damaged or cracked filler necks
  • Eliminates fuel odors resulting from improper sealing
  • Resolves difficulties in refueling due to clogged or bent filler necks
  • Replaces corroded or worn filler necks to maintain fuel system integrity
  • Helps avoid check engine light triggers related to fuel system leaks

Installation Notes and Tips

Installation of the Spectra FN651 fuel tank filler neck is straightforward for technicians familiar with Dodge Ram fuel systems. It is recommended to:

  • Ensure the vehicle is parked on a level surface and the engine is off
  • Relieve fuel system pressure before removal
  • Remove the old filler neck carefully to avoid damage to surrounding components
  • Inspect the fuel tank opening and clean any debris before installing the new filler neck
  • Secure all clamps and connections tightly to prevent leaks

Quality Assurance and Warranty

Spectra parts are manufactured to meet or exceed OEM standards for fit and function. The FN651 fuel tank filler neck undergoes quality control inspections to ensure durability and performance. While specific warranty details may vary, Spectra typically offers a limited warranty against defects in materials and workmanship, providing confidence in the part’s reliability for Dodge Ram 2500 and 3500 owners.

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002DodgeRam 25005.9LL6N/ASingle Rear Wheels
2002DodgeRam 35005.9LL6N/ASingle Rear Wheels
2001DodgeRam 25005.9LL6N/ASingle Rear Wheels
2001DodgeRam 35005.9LL6N/ASingle Rear Wheels
2000DodgeRam 25005.9LL6N/ASingle Rear Wheels
2000DodgeRam 35005.9LL6N/ASingle Rear Wheels

* 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:

52102492AA577949D036FNSD021TNKFN651

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