ACDelco 22753134 Diesel Emissions Fluid (DEF) Tank Filler Cap

The ACDelco 22753134 is a GM Genuine Parts Diesel Emissions Fluid (DEF) Tank Filler Cap designed to seal and protect the DEF filler neck on GM diesel vehicles. This OE-quality replacement cap prevents contamination of the diesel emissions fluid system while ensuring a secure, leak-free seal.

Key Features:

• GM Genuine Parts OE component designed specifically for Chevrolet, Buick, GMC, and Cadillac diesel vehicles
• Engineered and tested to rigorous General Motors standards for quality and durability
• Prevents diesel exhaust fluid from leaking or spilling through the filler neck
• Direct replacement for original equipment, ensuring proper fit and function
• Commonly used on 2011-2016 LML Duramax diesel trucks and other GM diesel applications

This DEF tank filler cap is manufactured to GM specifications and may have formerly been branded as ACDelco GM Original Equipment. It provides the same performance, reliability, and service life expected from General Motors original equipment parts. The cap creates a proper seal to keep the DEF system free from contaminants that could damage sensitive emission control components.