Spectra FN21 Fuel Tank Filler Neck

Spectra FN21 Fuel Tank Filler Neck

The Spectra FN21 fuel tank filler neck is an OE-style replacement for select Chevrolet Camaro and Pontiac Firebird applications. Built for 1982-1992 models, it supports proper fuel filling and tank connection on vehicles where the original neck has corroded, cracked, or become restricted.

Key Features

• Fuel tank filler neck for air and fuel delivery service
• Fits 1982-1992 Chevrolet Camaro
• Fits 1982-1992 Pontiac Firebird
• Engineered and manufactured to meet or exceed original equipment performance targets
• Quality-controlled replacement part for direct-fit service applications
• Part number FN21 for catalog and fitment lookup

Detailed Description

Spectra Premium FN21 is a replacement fuel tank filler neck for classic F-body platforms, including Chevrolet Camaro and Pontiac Firebird models from 1982 through 1992. It is built using manufacturing processes and inspection standards aimed at matching the function of the original filler neck it replaces. This part cross-references TNKFN21 for the same application.

Common Repair Issues

• Fuel leakage around a rusted or damaged filler neck
• Slow or difficult refueling caused by internal restriction
• Fuel odor from a cracked or deteriorated neck
• Corrosion at the tank-to-filler connection
• Failed inspection due to visible fuel system damage

Installation Notes and Tips

Verify vehicle year and body style before ordering. Compare the original neck routing, mounting points, and hose connections to the FN21 before installation. Clean surrounding fuel system components and inspect related hoses, clamps, and seals for wear while the tank area is accessible.

Quality Assurance

Spectra Premium states that its engineering, manufacturing technology, and quality control processes are used to produce fuel filler necks that meet or exceed original equipment performance for the application.