LLY Duramax EGR Cooler 2004 - New Direct-Fit Diesel Replacement

Overview

This is an direct-fit egr cooler for the LLY Duramax diesel (2004). It is a quality new, direct-fit replacement built to OEM-equivalent specification for a professional-grade repair that restores proper function and reliability to your truck.

What It Does & How It Helps

The EGR cooler lowers exhaust-gas temperature before it re-enters the intake. When it cracks it leaks coolant, causing white smoke, coolant loss, and overheating. A quality replacement restores proper cooling and a sealed system.

Fitment

Confirm your engine and model year before ordering. Not sure it fits? Email sales@coredieselparts.com with your VIN or engine and year and we will confirm the correct unit.

Ordering & Shipping

This part is made to order and typically ships within 2–5 business days. Orders ship fast with tracking. Questions about fitment or your order? Email sales@coredieselparts.com and we are happy to help.