Homeβ€Ί Air and Fuel Delivery > Fuel Storageβ€Ί Spectra FN525 Fuel Filler Neck
Part #: FN525

Spectra FN525 Fuel Filler Neck

βš™οΈ 180 vehicles fit this part
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πŸš—Fitment: Chevrolet and GMC, Silverado 3500, C2500, C35, C3500, K2500, K3500, C1500, K1500, and Silverado
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Reliable Fuel Tank Filler Neck for Chevrolet and GMC Trucks

The Spectra FN525 fuel tank filler neck is designed to provide a secure and efficient fuel delivery connection for select Chevrolet and GMC trucks. Engineered to meet OEM specifications, this part ensures proper fitment and durability for your vehicle's fuel system.

Key Features of Spectra FN525 Fuel Tank Filler Neck

  • Compatible with Chevrolet and GMC models including C35, C1500, C2500, C3500, K1500, K2500, K3500, Silverado, and Silverado 3500
  • Constructed to meet or exceed original equipment standards
  • Durable materials resist corrosion and wear
  • Designed for direct replacement to simplify installation
  • Part number FN525 ensures precise fitment for specified models

Detailed Description of the Spectra FN525 Fuel Tank Filler Neck

This fuel tank filler neck from Spectra is engineered specifically for use with Chevrolet and GMC trucks such as the Silverado and C/K series models. The FN525 part number corresponds to a component that connects the fuel filler opening to the fuel tank, providing a sealed path for fuel to enter the tank safely. Manufactured with corrosion-resistant materials, this filler neck maintains integrity under typical operating conditions and exposure to fuel vapors. Its design aligns with factory specifications to ensure compatibility and reliable performance in fuel storage systems.

Common Applications and Issues Addressed

  • Replacement for damaged or corroded fuel tank filler necks
  • Resolves fuel leaks around the filler area
  • Eliminates fuel odor caused by faulty seals or cracks
  • Prevents fuel spillage during refueling
  • Restores proper fuel system venting and pressure balance

Installation Notes and Tips

  • Verify compatibility with your Chevrolet or GMC model before installation
  • Inspect surrounding fuel system components for wear or damage during replacement
  • Use appropriate tools to avoid damaging the filler neck or fuel tank
  • Ensure all clamps and seals are securely fastened to prevent leaks
  • Consult vehicle service manual for torque specifications and detailed procedures

Quality Assurance and Warranty Information

The Spectra FN525 fuel tank filler neck is manufactured under strict quality control standards to ensure durability and fitment accuracy. While specific warranty terms may vary, Spectra typically offers coverage against defects in materials and workmanship. Refer to the product documentation or contact the manufacturer for detailed warranty information.

This part fits 180 vehicles. Search below:

YearMakeModelBody TypeBed TypeLitersCylindersFuel TypePositionNotes
2004ChevroletSilverado 3500Standard Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2003ChevroletSilverado 3500Standard Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2002ChevroletSilverado 3500Standard Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2001ChevroletSilverado 3500Standard Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletC2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
2000ChevroletC2500Fleetside5.7LV8GASN/ASingle Rear Wheel Models Only
2000ChevroletC355.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletC3500Standard Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletC3500Extended Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletC3500Crew Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletC3500Standard Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletC3500Extended Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletC3500Crew Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletK2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
2000ChevroletK2500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
2000ChevroletK3500Standard Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletK3500Extended Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletK3500Crew Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletK3500Standard Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletK3500Extended Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000ChevroletK3500Crew Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
2000GMCC2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
2000GMCC2500Fleetside5.7LV8GASN/ASingle Rear Wheel Models Only
2000GMCC3500Standard Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
2000GMCC3500Extended Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
2000GMCC3500Crew Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
2000GMCC3500Standard Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
2000GMCC3500Extended Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
2000GMCC3500Crew Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
2000GMCK2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
2000GMCK2500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
2000GMCK3500Standard Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
2000GMCK3500Extended Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
2000GMCK3500Crew Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
2000GMCK3500Standard Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
2000GMCK3500Extended Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
2000GMCK3500Crew Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
1999ChevroletC1500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1999ChevroletC1500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1999ChevroletC2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
1999ChevroletC2500Fleetside5.7LV8GASN/ASingle Rear Wheel Models Only
1999ChevroletC355.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletC3500Standard Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletC3500Extended Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletC3500Crew Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletC3500Standard Cab Pickup5.7LV8GASN/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletC3500Extended Cab Pickup5.7LV8GASN/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletC3500Crew Cab Pickup5.7LV8GASN/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletK1500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1999ChevroletK1500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1999ChevroletK2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
1999ChevroletK2500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1999ChevroletK3500Standard Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletK3500Extended Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletK3500Crew Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletK3500Standard Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletK3500Extended Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletK3500Crew Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1999ChevroletSilverado5.7LV8N/ASingle Rear Wheel Models Only
1999GMCC1500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1999GMCC1500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1999GMCC2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
1999GMCC2500Fleetside5.7LV8GASN/ASingle Rear Wheel Models Only
1999GMCC3500Standard Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1999GMCC3500Extended Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1999GMCC3500Crew Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1999GMCC3500Standard Cab PickupFleetside5.7LV8GASN/AExcept NM8 (Leaded Fuel Emission System)
1999GMCC3500Extended Cab PickupFleetside5.7LV8GASN/AExcept NM8 (Leaded Fuel Emission System)
1999GMCC3500Crew Cab PickupFleetside5.7LV8GASN/AExcept NM8 (Leaded Fuel Emission System)
1999GMCK1500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1999GMCK1500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1999GMCK2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
1999GMCK2500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1999GMCK3500Standard Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1999GMCK3500Crew Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1999GMCK3500Extended Cab Pickup7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1999GMCK3500Standard Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
1999GMCK3500Extended Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
1999GMCK3500Crew Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
1998ChevroletC1500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1998ChevroletC1500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1998ChevroletC1500Fleetside4.3LV6N/ASingle Rear Wheel Models Only
1998ChevroletC2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
1998ChevroletC2500Fleetside5.7LV8GASN/ASingle Rear Wheel Models Only
1998ChevroletC2500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1998ChevroletC355.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletC3500Standard Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletC3500Extended Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletC3500Crew Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletC3500Standard Cab Pickup5.7LV8GASN/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletC3500Extended Cab Pickup5.7LV8GASN/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletC3500Crew Cab Pickup5.7LV8GASN/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletK1500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1998ChevroletK1500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1998ChevroletK1500Fleetside4.3LV6N/ASingle Rear Wheel Models Only
1998ChevroletK2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
1998ChevroletK2500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1998ChevroletK2500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1998ChevroletK3500Standard Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletK3500Extended Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletK3500Crew Cab Pickup7.4LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletK3500Standard Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletK3500Extended Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletK3500Crew Cab Pickup5.7LV8N/Aw/o Stepside Box; Single Rear Wheels Only
1998ChevroletSilverado5.7LV8N/ASingle Rear Wheel Models Only
1998GMCC1500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1998GMCC1500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1998GMCC1500Fleetside4.3LV6N/ASingle Rear Wheel Models Only
1998GMCC2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
1998GMCC2500Fleetside5.7LV8GASN/ASingle Rear Wheel Models Only
1998GMCC2500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1998GMCC3500Standard Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1998GMCC3500Extended Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1998GMCC3500Crew Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1998GMCC3500Standard Cab PickupFleetside5.7LV8GASN/AExcept NM8 (Leaded Fuel Emission System)
1998GMCC3500Extended Cab PickupFleetside5.7LV8GASN/AExcept NM8 (Leaded Fuel Emission System)
1998GMCC3500Crew Cab PickupFleetside5.7LV8GASN/AExcept NM8 (Leaded Fuel Emission System)
1998GMCK1500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1998GMCK1500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1998GMCK1500Fleetside4.3LV6N/ASingle Rear Wheel Models Only
1998GMCK2500Fleetside7.4LV8N/ASingle Rear Wheel Models Only
1998GMCK2500Fleetside5.7LV8N/ASingle Rear Wheel Models Only
1998GMCK2500Fleetside5.0LV8N/ASingle Rear Wheel Models Only
1998GMCK3500Standard Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1998GMCK3500Crew Cab PickupFleetside7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1998GMCK3500Extended Cab Pickup7.4LV8N/AExcept NM8 (Leaded Fuel Emission System)
1998GMCK3500Standard Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
1998GMCK3500Extended Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
1998GMCK3500Crew Cab PickupFleetside5.7LV8N/AExcept NM8 (Leaded Fuel Emission System)
1997ChevroletC1500Fleetside4.3LV6N/ASingle Rear Wheel Models Only
1997GMCC1500Fleetside4.3LV6N/ASingle Rear Wheel Models Only
1997GMCK1500Fleetside4.3LV6N/ASingle Rear Wheel Models Only
1995GMCC3500Standard Cab Pickup7.4LV8N/A
1995GMCC3500Extended Cab Pickup7.4LV8N/A
1995GMCC3500Crew Cab Pickup7.4LV8N/A
1995GMCC3500Standard Cab Pickup5.7LV8N/A
1995GMCC3500Extended Cab Pickup5.7LV8N/A
1995GMCC3500Crew Cab Pickup5.7LV8N/A
1995GMCK3500Standard Cab Pickup7.4LV8N/A
1995GMCK3500Extended Cab Pickup7.4LV8N/A
1995GMCK3500Crew Cab Pickup7.4LV8N/A
1995GMCK3500Standard Cab Pickup5.7LV8N/A
1995GMCK3500Extended Cab Pickup5.7LV8N/A
1995GMCK3500Crew Cab Pickup5.7LV8N/A
1994GMCC3500Standard Cab Pickup7.4LV8N/A
1994GMCC3500Extended Cab Pickup7.4LV8N/A
1994GMCC3500Crew Cab Pickup7.4LV8N/A
1994GMCC3500Standard Cab Pickup5.7LV8N/A
1994GMCC3500Extended Cab Pickup5.7LV8N/A
1994GMCC3500Crew Cab Pickup5.7LV8N/A
1994GMCK3500Standard Cab Pickup7.4LV8N/A
1994GMCK3500Extended Cab Pickup7.4LV8N/A
1994GMCK3500Crew Cab Pickup7.4LV8N/A
1994GMCK3500Standard Cab Pickup5.7LV8N/A
1994GMCK3500Extended Cab Pickup5.7LV8N/A
1994GMCK3500Crew Cab Pickup5.7LV8N/A
1993GMCC3500Standard Cab Pickup7.4LV8N/A
1993GMCC3500Extended Cab Pickup7.4LV8N/A
1993GMCC3500Crew Cab Pickup7.4LV8N/A
1993GMCC3500Standard Cab Pickup5.7LV8N/A
1993GMCC3500Extended Cab Pickup5.7LV8N/A
1993GMCC3500Crew Cab Pickup5.7LV8N/A
1993GMCK3500Standard Cab Pickup7.4LV8N/A
1993GMCK3500Extended Cab Pickup7.4LV8N/A
1993GMCK3500Crew Cab Pickup7.4LV8N/A
1993GMCK3500Standard Cab Pickup5.7LV8N/A
1993GMCK3500Extended Cab Pickup5.7LV8N/A
1993GMCK3500Crew Cab Pickup5.7LV8N/A
1992GMCC3500Standard Cab Pickup7.4LV8N/A
1992GMCC3500Extended Cab Pickup7.4LV8N/A
1992GMCC3500Crew Cab Pickup7.4LV8N/A
1992GMCC3500Standard Cab Pickup5.7LV8N/A
1992GMCC3500Extended Cab Pickup5.7LV8N/A
1992GMCC3500Crew Cab Pickup5.7LV8N/A
1992GMCK3500Standard Cab Pickup7.4LV8N/A
1992GMCK3500Extended Cab Pickup7.4LV8N/A
1992GMCK3500Crew Cab Pickup7.4LV8N/A
1992GMCK3500Standard Cab Pickup5.7LV8N/A
1992GMCK3500Extended Cab Pickup5.7LV8N/A
1992GMCK3500Crew Cab Pickup5.7LV8N/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:

1500385828300425778246581FNGM07BFNSGM07BGM003JLCGM003KFN80TNKFN525

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