Dorman 904-966 Fuel Injector Line — Compatible with Cadillac, Chevrolet, and GMC Models

When it’s time to replace a worn or leaking fuel injector line, you want a part that aligns with the way your engine was designed to work. The Dorman 904-966 fuel injector line is precision-engineered to mirror the original hardware in select Cadillac, Chevrolet, and GMC applications, including models like Escalade, Silverado, Suburban, Tahoe, and Sierra. The result is a snug, factory-like fit that helps maintain a clean path for fuel from rail to injector. This line comes with vehicle-specific mounting hardware so you have everything you need for a complete install, without scavenging for extra brackets or seals. Before you buy, use the garage tool to confirm exact fit for your trim level and vehicle configuration.

Compatibility at a glance

These lines are designed for a broad range of Cadillac, Chevrolet, and GMC models from mid‑2010s to early 2020s. By matching the original line geometry and port interfaces, they support straightforward reassembly when you service fuel delivery. For best results, verify fit using the garage tool with your exact make, model, and trim.

Key benefits and design details

• Direct replacement engineered to match the original line on selected Cadillac, Chevrolet, and GMC models
• Robust materials and a material-hardening process to withstand engine operation
• One-time-use crushable seal necessitates replacing the entire line for a reliable seal
• Vehicle-specific mounting hardware included for a complete install
• Cost-effective alternative to dealership parts with quality testing in production
• Garage tool verification ensures you choose the right trim for your vehicle

Fitment notes and installation considerations

During service, this line is designed to be a straightforward swap for the existing unit, with the included hardware allowing you to mount it in the same orientation as the original. Because fuel injector lines use crushable seals, ensure you replace the entire line to help maintain a secure seal.

• Includes vehicle-specific mounting hardware for a complete installation
• Verify fitment by entering make, model and trim in the garage tool
• Replacing the entire line helps ensure proper sealing with the new crushable seal
• Inspect adjacent lines and fittings during service for wear

This Dorman fuel injector line is a practical, maintenance-focused choice intended to support a clean, factory-like fit. It’s not a guarantee of performance, but a tested component designed to ease routine repairs and help you maintain proper engine fuel delivery during service.