The PPE 116111810 LMM Modified Coolant Tube has been specially designed for your 2007.5-2010 GM 6.6L Duramax LMM with the PPE Up-Pipes & Manifolds. PPE's expert fabricators cut, reposition and weld the coolant tube for the proper clearance. The coolant that flows through this tube provides heat to the heater core for the in-cab HVAC system.
Features:
- Modified Coolant Tube
- For Use With PPE Up-PIpes & Manifolds
Prop 65 
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov