PPE Coolant Bypass Tube Raw (Water Pump to Thermostat Housing) 2001 to 2005 6.6L LB7/LLY Duramax

PPE Coolant Drain Tube 2001 to 2010 6.6L LB7/LLY/LBZ/LMM Duramax

PPE Engine Coolant Return Pipe 2001 to 2004 6.6L LB7 Duramax

PPE Performance Silicone Coolant Hose (EGR to Cab) 2001 to 2016 6.6L LB7.LLY.LBZ/LMM/LML Duramax

PPE Performance Silicone Coolant Hose (Engine to Cab) 2001 to 2010 GM 6.6L LB7/LLY/LBZ/LMM Duramax

PPE Silicone Hose & Clamp Kit 2002 to 2004 6.6L LB7 Duramax

PPE Silicone Upper & Lower Coolant Hose Kit- Orange 2001 to 2005 6.6L LB7/LLY Duramax

PPE T304 Stainless Steel Coolant Tube (Pump to Oil Cooler) 2001 to 2024 6.6L LB7/LLY/LBZ/LMM/LML/L5P Duramax