Rust Buster Fuel Tank Filler Neck For 1999-2004 GM Trucks RB780001

• Fits 1999-2004 Chevy Silverado 1500/2500/3500
• Fits 1999-2004 GMC Sierra 1500/2500/3500
• Fits all Cab & Bed Configurations
• Does not fit Cab & Chassis Models
• Direct OE Replacement
• Replaces GM Part Number 15198426 & 15747585

Rust Buster Fuel Tank Filler Necks are OE replacements designed to fix rusted, leaking, or damaged factory units. Built for Exact Fit and reliable fuel flow, they restore a secure connection between the fuel tank and fill point while helping eliminate vapor leaks and fueling issues. Durable, corrosion-resistant construction ensures long-term performance and straightforward installation.