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The Wehrli Custom Fab top-outlet billet thermostat housing and upper coolant pipe kit for 2006–2010 Duramax LBZ/LMM is configured specifically for dual CP3 setups. It replaces the OEM upper radiator hose and coolant return pipe, rerouting coolant upward and forward to improve access to driver-side fuel components and increase room for turbochargers. The kit includes coolant pipe, silicone boots and t-bolt clamps; it is compatible with dual alternator setups but not with PPE dual fueler kits.
Wehrli 06-10 Duramax LBZ/LMM Thermostat Housing Kit For Dual CP3 - WCFab Grey
