Homeβ€Ί Air and Fuel Delivery > Fuel Storageβ€Ί Spectra FN770 Fuel Tank Filler Neck
Part #: FN770

Spectra FN770 Fuel Tank Filler Neck

βš™οΈ 174 vehicles fit this part
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βœ…OE Direct Replacement β€” Bolt-on fit, no modifications needed
πŸš—Fitment: Chevrolet and GMC, Sierra 1500, Sierra 1500 Classic, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado 1500, Silverado 1500 HD, Silverado 1500 HD Classic, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, and Silverado 3500 HD
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Overview of Spectra FN770 Fuel Tank Filler Neck

The Spectra FN770 fuel tank filler neck is designed for reliable fuel delivery in select Chevrolet and GMC trucks. Engineered to meet OEM specifications, this part ensures proper fit and function for your vehicle's fuel system.

  • Compatible with Chevrolet Silverado and GMC Sierra models
  • Direct replacement for fuel tank filler neck
  • Durable construction for long-lasting performance
  • Part number FN770 for easy identification
  • Designed to maintain proper fuel system sealing and venting

Detailed Product Description

The Spectra FN770 fuel tank filler neck is a critical component in the fuel storage system, providing a secure connection between the fuel filler opening and the fuel tank. This part is specifically designed to fit Chevrolet and GMC trucks, including the Silverado 1500, 1500 HD, 2500 HD, 3500, and their Classic and HD variants, as well as the Sierra 1500, 2500 HD, and 3500 models. Manufactured to meet or exceed OEM standards, the FN770 ensures proper fuel flow and prevents leaks or vapor loss. Its robust construction helps resist corrosion and wear, contributing to the overall reliability of your vehicle's fuel system.

Applications and Common Issues Addressed

  • Replacement for damaged or corroded fuel tank filler necks
  • Resolves fuel leaks around the filler area
  • Fixes issues with improper fuel cap sealing
  • Prevents fuel vapor leaks that can trigger check engine lights
  • Restores proper fuel system venting and pressure balance

Installation Notes and Tips

When installing the Spectra FN770 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 that all clamps and seals are properly seated during installation to prevent leaks. It is recommended to inspect the fuel cap and related seals for wear and replace if necessary to maintain system integrity.

Quality Assurance and Warranty

Spectra parts are manufactured to meet strict quality standards, ensuring durability and compatibility with your Chevrolet or GMC truck. The FN770 fuel tank filler neck undergoes rigorous testing to confirm fitment and performance. Please refer to Spectra's warranty policy for specific coverage details.

This part fits 174 vehicles. Search below:

YearMakeModelBody TypeBed TypeBed LengthLitersCylindersFuel TypePositionNotes
2013ChevroletSilverado 15008' 1" Foot Bed4.3LV6N/A
2013GMCSierra 15008' 1" Foot Bed6.2LV8N/A
2013GMCSierra 15008' 1" Foot Bed5.3LV8N/A
2013GMCSierra 15008' 1" Foot Bed4.8LV8N/A
2013GMCSierra 15008' 1" Foot Bed4.3LV6N/A
2012ChevroletSilverado 1500Standard Cab Pickup8' 1" Foot Bed4.3LV6N/A
2012ChevroletSilverado 1500Standard Cab Pickup6' 6" Foot Bed4.3LV6N/A
2012GMCSierra 15008' 1" Foot Bed6.2LV8N/A
2012GMCSierra 15008' 1" Foot Bed5.3LV8N/A
2012GMCSierra 15008' 1" Foot Bed4.8LV8N/A
2012GMCSierra 15008' 1" Foot Bed4.3LV6N/A
2011ChevroletSilverado 1500Standard Cab Pickup8' 1" Foot Bed4.3LV6N/A
2011ChevroletSilverado 1500Standard Cab Pickup6' 6" Foot Bed4.3LV6N/A
2011GMCSierra 15008' 1" Foot Bed6.2LV8N/A
2011GMCSierra 15008' 1" Foot Bed5.3LV8N/A
2011GMCSierra 15008' 1" Foot Bed4.8LV8N/A
2011GMCSierra 15008' 1" Foot Bed4.3LV6N/A
2010ChevroletSilverado 1500Standard Cab Pickup8' 1" Foot Bed4.3LV6N/A
2010ChevroletSilverado 1500Standard Cab Pickup6' 6" Foot Bed4.3LV6N/A
2010ChevroletSilverado 3500 HD6.0LV8N/A
2010GMCSierra 1500Standard Cab Pickup8' 1" Foot Bed6.2LV8N/A
2010GMCSierra 1500Standard Cab Pickup8' 1" Foot Bed5.3LV8N/A
2010GMCSierra 1500Standard Cab Pickup8' 1" Foot Bed4.8LV8N/A
2010GMCSierra 1500Standard Cab Pickup8' 1" Foot Bed4.3LV6N/A
2009ChevroletSilverado 1500Standard Cab Pickup8' 1" Foot Bed6.0LV8GASN/A
2009ChevroletSilverado 1500Standard Cab Pickup6' 6" Foot Bed6.0LV8GASN/A
2009ChevroletSilverado 1500Standard Cab Pickup8' 1" Foot Bed5.3LV8GASN/A
2009ChevroletSilverado 1500Standard Cab Pickup6' 6" Foot Bed5.3LV8GASN/A
2009ChevroletSilverado 1500Standard Cab Pickup8' 1" Foot Bed4.8LV8N/A
2009ChevroletSilverado 1500Standard Cab Pickup6' 6" Foot Bed4.8LV8N/A
2009ChevroletSilverado 1500Standard Cab Pickup8' 1" Foot Bed4.3LV6N/A
2009ChevroletSilverado 1500Standard Cab Pickup6' 6" Foot Bed4.3LV6N/A
2009ChevroletSilverado 3500 HD6.0LV8N/A
2009GMCSierra 1500Standard Cab Pickup8' 1" Foot Bed6.0LV8N/A
2009GMCSierra 1500Standard Cab Pickup8' 1" Foot Bed5.3LV8N/A
2009GMCSierra 1500Standard Cab Pickup8' 1" Foot Bed4.8LV8N/A
2009GMCSierra 1500Standard Cab Pickup8' 1" Foot Bed4.3LV6N/A
2008ChevroletSilverado 15008' 1" Foot Bed6.0LV8N/A
2008ChevroletSilverado 15008' 1" Foot Bed5.3LV8GASN/A
2008ChevroletSilverado 15008' 1" Foot Bed4.8LV8N/A
2008ChevroletSilverado 15008' 1" Foot Bed4.3LV6N/A
2008ChevroletSilverado 3500 HD6.0LV8N/A
2008GMCSierra 15008' 1" Foot Bed6.0LV8N/A
2008GMCSierra 15008' 1" Foot Bed5.3LV8N/A
2008GMCSierra 15008' 1" Foot Bed4.8LV8N/A
2008GMCSierra 15008' 1" Foot Bed4.3LV6N/A
2007ChevroletSilverado 1500 HD Classic6.0LV8N/A
2007ChevroletSilverado 2500 HD ClassicStandard Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2007ChevroletSilverado 2500 HD ClassicExtended Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2007ChevroletSilverado 2500 HD ClassicStandard Cab PickupFleetside6' 6" Foot Bed8.1LV8N/A
2007ChevroletSilverado 2500 HD ClassicExtended Cab PickupFleetside6' 6" Foot Bed8.1LV8N/A
2007ChevroletSilverado 2500 HD ClassicStandard Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2007ChevroletSilverado 2500 HD ClassicExtended Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2007ChevroletSilverado 2500 HD ClassicStandard Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2007ChevroletSilverado 2500 HD ClassicExtended Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2007ChevroletSilverado 3500 HD6.0LV8N/A
2007GMCSierra 1500 ClassicStandard Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2007GMCSierra 1500 ClassicExtended Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2007GMCSierra 1500 ClassicStandard Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2007GMCSierra 1500 ClassicExtended Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2007GMCSierra 1500 ClassicStandard Cab PickupFleetside8' 0" Foot Bed5.3LV8GASN/A
2007GMCSierra 1500 ClassicExtended Cab PickupFleetside8' 0" Foot Bed5.3LV8GASN/A
2007GMCSierra 1500 ClassicStandard Cab PickupFleetside6' 6" Foot Bed5.3LV8GASN/A
2007GMCSierra 1500 ClassicExtended Cab PickupFleetside6' 6" Foot Bed5.3LV8GASN/A
2007GMCSierra 1500 ClassicStandard Cab PickupFleetside8' 0" Foot Bed4.8LV8N/A
2007GMCSierra 1500 ClassicExtended Cab PickupFleetside8' 0" Foot Bed4.8LV8N/A
2007GMCSierra 1500 ClassicStandard Cab PickupFleetside6' 6" Foot Bed4.8LV8N/A
2007GMCSierra 1500 ClassicExtended Cab PickupFleetside6' 6" Foot Bed4.8LV8N/A
2007GMCSierra 1500 ClassicStandard Cab PickupFleetside8' 0" Foot Bed4.3LV6N/A
2007GMCSierra 1500 ClassicExtended Cab PickupFleetside8' 0" Foot Bed4.3LV6N/A
2007GMCSierra 1500 ClassicStandard Cab PickupFleetside6' 6" Foot Bed4.3LV6N/A
2007GMCSierra 1500 ClassicExtended Cab PickupFleetside6' 6" Foot Bed4.3LV6N/A
2007GMCSierra 2500 HD ClassicStandard Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2007GMCSierra 2500 HD ClassicExtended Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2007GMCSierra 2500 HD ClassicStandard Cab PickupFleetside6' 6" Foot Bed8.1LV8N/A
2007GMCSierra 2500 HD ClassicExtended Cab PickupFleetside6' 6" Foot Bed8.1LV8N/A
2007GMCSierra 2500 HD ClassicStandard Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2007GMCSierra 2500 HD ClassicExtended Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2007GMCSierra 2500 HD ClassicStandard Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2007GMCSierra 2500 HD ClassicExtended Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2007GMCSierra 3500 ClassicStandard Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2007GMCSierra 3500 ClassicExtended Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2007GMCSierra 3500 ClassicStandard Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2007GMCSierra 3500 ClassicExtended Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2006ChevroletSilverado 1500Standard Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2006ChevroletSilverado 1500Extended Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2006ChevroletSilverado 1500Standard Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2006ChevroletSilverado 1500Extended Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2006ChevroletSilverado 1500Standard Cab PickupFleetside8' 0" Foot Bed5.3LV8GASN/A
2006ChevroletSilverado 1500Extended Cab PickupFleetside8' 0" Foot Bed5.3LV8GASN/A
2006ChevroletSilverado 1500Standard Cab PickupFleetside6' 6" Foot Bed5.3LV8GASN/A
2006ChevroletSilverado 1500Extended Cab PickupFleetside6' 6" Foot Bed5.3LV8GASN/A
2006ChevroletSilverado 1500Standard Cab PickupFleetside8' 0" Foot Bed4.8LV8N/A
2006ChevroletSilverado 1500Extended Cab PickupFleetside8' 0" Foot Bed4.8LV8N/A
2006ChevroletSilverado 1500Standard Cab PickupFleetside6' 6" Foot Bed4.8LV8N/A
2006ChevroletSilverado 1500Extended Cab PickupFleetside6' 6" Foot Bed4.8LV8N/A
2006ChevroletSilverado 1500Standard Cab PickupFleetside8' 0" Foot Bed4.3LV6N/A
2006ChevroletSilverado 1500Extended Cab PickupFleetside8' 0" Foot Bed4.3LV6N/A
2006ChevroletSilverado 1500Standard Cab PickupFleetside6' 6" Foot Bed4.3LV6N/A
2006ChevroletSilverado 1500Extended Cab PickupFleetside6' 6" Foot Bed4.3LV6N/A
2006ChevroletSilverado 1500 HD6.0LV8N/A
2006ChevroletSilverado 2500 HD8.1LV8N/A
2006ChevroletSilverado 2500 HD6.0LV8N/A
2006ChevroletSilverado 3500Standard Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2006ChevroletSilverado 3500Extended Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2006ChevroletSilverado 3500Standard Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2006ChevroletSilverado 3500Extended Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2006GMCSierra 1500Standard Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2006GMCSierra 1500Extended Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2006GMCSierra 1500Standard Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2006GMCSierra 1500Extended Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2006GMCSierra 1500Standard Cab PickupFleetside8' 0" Foot Bed5.3LV8GASN/A
2006GMCSierra 1500Extended Cab PickupFleetside8' 0" Foot Bed5.3LV8GASN/A
2006GMCSierra 1500Standard Cab PickupFleetside6' 6" Foot Bed5.3LV8GASN/A
2006GMCSierra 1500Extended Cab PickupFleetside6' 6" Foot Bed5.3LV8GASN/A
2006GMCSierra 1500Standard Cab PickupFleetside8' 0" Foot Bed4.8LV8N/A
2006GMCSierra 1500Extended Cab PickupFleetside8' 0" Foot Bed4.8LV8N/A
2006GMCSierra 1500Standard Cab PickupFleetside6' 6" Foot Bed4.8LV8N/A
2006GMCSierra 1500Extended Cab PickupFleetside6' 6" Foot Bed4.8LV8N/A
2006GMCSierra 1500Standard Cab PickupFleetside8' 0" Foot Bed4.3LV6N/A
2006GMCSierra 1500Extended Cab PickupFleetside8' 0" Foot Bed4.3LV6N/A
2006GMCSierra 1500Standard Cab PickupFleetside6' 6" Foot Bed4.3LV6N/A
2006GMCSierra 1500Extended Cab PickupFleetside6' 6" Foot Bed4.3LV6N/A
2006GMCSierra 2500 HD8.1LV8N/A
2006GMCSierra 2500 HD6.0LV8N/A
2006GMCSierra 3500Standard Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2006GMCSierra 3500Extended Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2006GMCSierra 3500Standard Cab PickupFleetside8' 0" Foot Bed6.0LV8GASN/A
2006GMCSierra 3500Extended Cab PickupFleetside8' 0" Foot Bed6.0LV8GASN/A
2005ChevroletSilverado 1500Standard Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2005ChevroletSilverado 1500Standard Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2005ChevroletSilverado 1500Standard Cab PickupFleetside8' 0" Foot Bed5.3LV8N/A
2005ChevroletSilverado 1500Standard Cab PickupFleetside6' 6" Foot Bed5.3LV8N/A
2005ChevroletSilverado 1500Standard Cab PickupFleetside8' 0" Foot Bed4.8LV8N/A
2005ChevroletSilverado 1500Standard Cab PickupFleetside6' 6" Foot Bed4.8LV8N/A
2005ChevroletSilverado 1500Standard Cab PickupFleetside8' 0" Foot Bed4.3LV6N/A
2005ChevroletSilverado 1500Standard Cab PickupFleetside6' 6" Foot Bed4.3LV6N/A
2005ChevroletSilverado 1500 HD6.0LV8N/A
2005ChevroletSilverado 2500 HDCrew Cab Pickup8.1LV8GASN/A
2005ChevroletSilverado 2500 HDCrew Cab Pickup6.0LV8GASN/A
2005ChevroletSilverado 3500Standard Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2005ChevroletSilverado 3500Extended Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2005ChevroletSilverado 3500Standard Cab PickupFleetside8' 0" Foot Bed6.0LV8GASN/A
2005ChevroletSilverado 3500Extended Cab PickupFleetside8' 0" Foot Bed6.0LV8GASN/A
2005GMCSierra 1500Extended Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2005GMCSierra 1500Standard Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2005GMCSierra 1500Extended Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2005GMCSierra 1500Extended Cab PickupFleetside8' 0" Foot Bed5.3LV8GASN/A
2005GMCSierra 1500Standard Cab PickupFleetside6' 6" Foot Bed5.3LV8GASN/A
2005GMCSierra 1500Extended Cab PickupFleetside6' 6" Foot Bed5.3LV8GASN/A
2005GMCSierra 1500Extended Cab PickupFleetside8' 0" Foot Bed4.8LV8N/A
2005GMCSierra 1500Standard Cab PickupFleetside6' 6" Foot Bed4.8LV8N/A
2005GMCSierra 1500Extended Cab PickupFleetside6' 6" Foot Bed4.8LV8N/A
2005GMCSierra 1500Extended Cab PickupFleetside8' 0" Foot Bed4.3LV6N/A
2005GMCSierra 1500Standard Cab PickupFleetside6' 6" Foot Bed4.3LV6N/A
2005GMCSierra 1500Extended Cab PickupFleetside6' 6" Foot Bed4.3LV6N/A
2005GMCSierra 2500 HDStandard Cab Pickup8.1LV8N/A
2005GMCSierra 2500 HDExtended Cab Pickup8.1LV8N/A
2005GMCSierra 2500 HDStandard Cab Pickup6.0LV8GASN/A
2005GMCSierra 2500 HDExtended Cab Pickup6.0LV8GASN/A
2005GMCSierra 3500Standard Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2005GMCSierra 3500Extended Cab PickupFleetside8' 0" Foot Bed8.1LV8N/A
2005GMCSierra 3500Standard Cab PickupFleetside8' 0" Foot Bed6.0LV8GASN/A
2005GMCSierra 3500Extended Cab PickupFleetside8' 0" Foot Bed6.0LV8GASN/A
2004ChevroletSilverado 1500Standard Cab PickupFleetside8' 0" Foot Bed6.0LV8N/A
2004ChevroletSilverado 1500Standard Cab PickupFleetside6' 6" Foot Bed6.0LV8N/A
2004ChevroletSilverado 1500Standard Cab PickupFleetside8' 0" Foot Bed5.3LV8N/A
2004ChevroletSilverado 1500Standard Cab PickupFleetside6' 6" Foot Bed5.3LV8N/A
2004ChevroletSilverado 1500Standard Cab PickupFleetside8' 0" Foot Bed4.8LV8N/A
2004ChevroletSilverado 1500Standard Cab PickupFleetside6' 6" Foot Bed4.8LV8N/A
2004GMCSierra 1500Standard Cab PickupFleetside8' 0" Foot Bed5.3LV8N/A
2004GMCSierra 1500Standard Cab PickupFleetside6' 6" Foot Bed5.3LV8N/A
2004GMCSierra 1500Standard Cab PickupFleetside8' 0" Foot Bed4.8LV8N/A
2004GMCSierra 1500Standard Cab PickupFleetside6' 6" Foot Bed4.8LV8N/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:

1507753815113984151300791522500815289908157764911593896215944399159444002091833020942146209621112096211922951209229512142583608925836090577865FNGM009GM009TNKFN770

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