ACDelco 84605515 Diesel Exhaust Fluid DEF Filler Pipe Assembly

The ACDelco 84605515 is a GM Original Equipment Diesel Exhaust Fluid (DEF) filler pipe assembly designed for select diesel-powered vehicles. This emissions component provides a sealed pathway from the DEF filler cap to the DEF tank, ensuring proper delivery of diesel exhaust fluid to the selective catalytic reduction (SCR) system.

Key Features:

• GM Original Equipment quality - designed, engineered and tested to rigorous General Motors standards
• Direct replacement for worn or damaged DEF filler pipes
• Ensures proper DEF flow to emissions control system
• Prevents contamination and leakage of diesel exhaust fluid
• Manufactured to meet OEM specifications for fit, form and function

This genuine ACDelco part restores factory performance to your vehicle's emissions system. Diesel Exhaust Fluid is a critical component in modern diesel emissions control, helping reduce harmful NOx emissions through the SCR catalyst system. A properly functioning DEF filler pipe ensures your vehicle maintains compliance with emissions standards and optimal engine performance.