HomeAir and Fuel Delivery > Fuel StorageSpectra FN743 Fuel Filler Neck
Part #: FN743

Spectra FN743 Fuel 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
$151.58Free 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.
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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: 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 FN743 fuel tank filler neck is designed specifically for Dodge Ram 2500 and Ram 3500 models. This replacement part ensures proper fuel delivery and secure connection between the fuel cap and tank, maintaining the integrity of your vehicle's fuel system.

  • Compatible with Dodge Ram 2500 and Ram 3500 models
  • Durable construction for long-lasting performance
  • Direct replacement for original equipment part number FN743
  • Ensures proper fuel flow and prevents leaks
  • Easy to install with standard tools

Product Details and Specifications

The Spectra FN743 fuel tank filler neck is engineered to meet OEM specifications for Dodge Ram 2500 and Ram 3500 trucks. Manufactured with quality materials, this part provides a secure and leak-free connection between the fuel filler cap and the fuel tank. The design supports proper venting and fuel flow, which is critical for maintaining fuel system efficiency and preventing evaporative emissions. This fuel tank filler neck is a direct fit replacement, making it a reliable choice for restoring your vehicle’s fuel system functionality.

Common Applications and Problem Resolution

This fuel tank filler neck is used to replace worn, cracked, or damaged filler necks on Dodge Ram 2500 and Ram 3500 trucks. It addresses several common issues including:

  • Fuel leaks around the filler neck area
  • Difficulty refueling due to damaged or misaligned filler neck
  • Fuel odor caused by evaporative emissions escaping
  • Check engine light triggered by fuel system leaks
  • Corrosion or rust compromising the filler neck integrity

Installation Notes and Tips

Installation of the Spectra FN743 fuel tank filler neck is straightforward for those with basic mechanical skills. It is recommended to:

  • Ensure the vehicle is parked on a level surface and the engine is cool
  • Relieve fuel system pressure before removal
  • Use appropriate tools to remove clamps and fasteners carefully
  • Inspect surrounding fuel system components for wear or damage during installation
  • Verify a secure fit and check for leaks after installation

Quality Assurance and Warranty Information

Spectra parts are manufactured to meet or exceed OEM standards, providing reliable performance for Dodge Ram 2500 and Ram 3500 vehicles. The FN743 fuel tank filler neck undergoes quality control inspections to ensure durability and proper fitment. Warranty coverage details can be obtained from the manufacturer or authorized distributors to confirm protection against defects in materials and workmanship.

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002DodgeRam 25005.9LL6N/ADual Rear Wheels
2002DodgeRam 35005.9LL6N/ADual Rear Wheels
2001DodgeRam 25005.9LL6N/ADual Rear Wheels
2001DodgeRam 35005.9LL6N/ADual Rear Wheels
2000DodgeRam 25005.9LL6N/ADual Rear Wheels
2000DodgeRam 35005.9LL6N/ADual 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:

52102493AA577863TNKFN743

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