Spectra FN1200 Fuel Tank Filler Neck

Spectra FN1200 Fuel Tank Filler Neck

The Spectra FN1200 fuel tank filler neck is an OE-style replacement for select GM full-size SUVs and trucks. It is built with engineering, manufacturing, and quality control standards intended to match or exceed the original fuel filler neck it replaces.

Key Features

• Direct replacement fuel tank filler neck for fuel storage service
• OE-style fit and function for select Cadillac, Chevrolet, and GMC applications
• Built to support proper fuel filling and tank access
• Cross-references Spectra Premium FN1200 and TNKFN1200 for the same application
• Part number FN1200 for easy ordering and lookup

Vehicle Fitment

• Fits 2003-2006 Cadillac Escalade ESV, N/A
• Fits 2004-2006 Cadillac Escalade EXT, N/A
• Fits 2004-2006 GMC Yukon XL 1500, N/A
• Fits 2004-2005 Chevrolet Avalanche 1500, N/A
• Fits 2004-2005 Chevrolet Suburban 1500, N/A, w/ Single Tank; w/ 47-1/2 Length

What It Helps Resolve

• Fuel filler neck corrosion or rust damage
• Cracked or leaking filler neck tubing
• Difficulty refueling caused by damaged filler components
• Fuel odor near the tank fill area
• Restricted fuel flow during fill-up

Installation Notes and Tips

Verify vehicle configuration before ordering, especially on the 2004-2005 Chevrolet Suburban 1500, which requires a single tank and 47-1/2 length application. Confirm the year, make, model, and filler neck routing against the original part before installation. This part is listed for the rear fuel tank fill location used on the covered applications.

Quality Assurance

Spectra Premium states that its fuel filler necks are engineered and manufactured with quality control processes to meet or exceed the performance of the original equipment part they replace. The FN1200 is built as a replacement for select Cadillac Escalade ESV, Cadillac Escalade EXT, Chevrolet Avalanche 1500, Chevrolet Suburban 1500, and GMC Yukon XL 1500 applications.