Engine to CAB Coolant Hose

PPE Engine to CAB Coolant Hose – 119020011

Fits 2011–2014 GM 6.6L Duramax LML

Upgrade your Duramax cooling system with the PPE 119020011 Engine to CAB Coolant Hose, designed to replace the factory hose running from the engine block to the cab heater core. Compatible with 2011–2014 Chevrolet and GMC HD trucks equipped with the LML 6.6L Duramax diesel engine, this hose restores proper coolant circulation and reduces the risk of leaks caused by old or deteriorating rubber.

Crafted from high-quality, heat-resistant materials, the PPE hose offers superior durability, flexibility, and resistance to pressure and temperature extremes—making it ideal for both stock and tuned diesel builds.

Key Features:

• Direct replacement hose for engine-to-cab coolant line

• Designed for 6.6L Duramax LML engines

• High-temp, chemical-resistant construction prevents cracking and swelling

• OE-style fitment with molded bends for clean routing

• Helps maintain optimal cabin heat and cooling system efficiency

• Ideal for maintenance or replacing worn OEM hoses

• Manufactured by PPE (Pacific Performance Engineering) for long-lasting reliability

Fitment:
2011, 2012, 2013, 2014 Chevrolet Silverado 2500HD / 3500HD and GMC Sierra 2500HD / 3500HD with 6.6L Duramax LML

Warranty:
Covered under PPE’s limited warranty. Contact PPE for full warranty details and replacement policies.