Details
Dorman 577-138 Fuel Filler Neck Compatible with Select Buick/Chevrolet/GMC Models

Direct replacement - this fuel filler neck is made to match the original equipment on specific vehicles
Durable construction - made of corrosion-resistant materials to reduce future failure potential
Regulatory compliant - built to meet emission and inspection standards
Trustworthy value - backed by team of engineers and quality control experts in the United States
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Fuel filler neck leaking? This replacement fuel filler neck is precision-engineered and thoroughly tested to match the original filler neck for specific vehicle years, makes and models for a reliable repair.

Vehicle model years this part fits:
Buick Rainier: 2005, 2006, 2007
Chevrolet Trailblazer: 2005, 2006, 2007, 2008
GMC Envoy: 2005, 2006, 2007, 2008