GMC Duramax Thermostat Housing Kit - Wehrli - Dual CP3 - Gun Metal - ’06-’10. A precision top-outlet billet housing and upper coolant pipe for LBZ/LMM trucks running dual CP3 setups.

This kit replaces the OE upper radiator hose that crosses the driver-side valve cover and the coolant return pipe, re-routing flow upward and forward from the thermostat. Built for WCFAB Dual CP3 systems, it also works with dual alternators and factory VGT turbos. Required when using race-cover or SXE turbos in the valley. Not compatible with PPE dual fueler kits or 2006–2007 GMC Sierra. Includes coolant pipe, silicone boots, and T-bolt clamps. Replaces GM PNs 19330105, 15792824, 25833204, 97361881.

Features

• 2006–2010 Duramax LBZ/LMM (Dual CP3)
• Top-outlet routing upward/forward
• CNC-machined billet upper housing
• Replaces OE upper hose and return pipe
• Added clearance for larger turbos
• Improved access to driver-side fuel components

Questions or planning an install? Call us—our Austin, Texas and Los Angeles, California area locations offer installation and customization services. Texas: 512-982-9393. California: 562-981-6800.

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov