LLY Duramax Thermostat Kit 1997-2006

Overview

This is a diesel cooling-system service part for the Chevrolet, GMC LLY Duramax diesel (1997-2006). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade LLY Duramax repair or service. Every order ships fast and is backed by our support team.

What It Does & How It Helps

Cooling components regulate engine temperature so a diesel warms up quickly and then holds the right operating temp for efficiency, emissions and long engine life. A thermostat stuck closed overheats the engine; stuck open it runs cold and sluggish, and a tired cap or hose lets the system leak or lose pressure. Fresh OE-spec cooling parts restore correct temperature control and a sealed, pressurized system.

Fitment

Fits Chevrolet, GMC trucks equipped with the LLY Duramax diesel engine, 1997-2006. Please confirm your engine and year before ordering to ensure correct fitment.

Specifications

• Engine: LLY Duramax
• Year Range: 1997-2006

Quality & Service

Fast shipping on in-stock orders. Free shipping on orders over $70 to the lower 48 states. Backed by Core Diesel Parts — your source for LLY Duramax diesel parts.