LLY Duramax Airdog Lift Pumps

Enhance your 2004.5–2005 LLY Duramax with a high-quality AirDog lift pump system. Engineered to maintain consistent fuel pressure and remove air, water, and debris from diesel fuel, AirDog pumps protect your injectors and improve overall engine performance. Ideal for stock or modified trucks, these lift pumps ensure clean, reliable fuel delivery under load, making them a trusted upgrade for power, towing, and efficiency.