Chevrolet Silverado Thermostat Housing Kit - Wehrli - Billet - Brizzle Blue (2006–2010). This top-outlet thermostat housing and upper coolant pipe upgrade for LBZ/LMM Duramax replaces the factory upper hose and return pipe for a cleaner, more serviceable layout.

Routing the coolant upward and forward from the thermostat improves access to driver-side fuel components and creates room for larger aftermarket turbochargers. The CNC-machined billet upper housing in Brizzle Blue pairs with a new coolant pipe, silicone boots, and T-bolt clamps. Compatible with factory VGT turbos and required when using race-cover or SXE turbos mounted in the valley.

Features

• 2006–2010 Duramax LBZ/LMM fitment (Brizzle Blue finish)
• CNC-machined billet aluminum thermostat upper housing
• Upward/forward coolant routing for improved service access
• Includes coolant pipe, silicone boots, and T-bolt clamps
• Options: single CP3 (WCF100420) or twin CP3 (WCF100424)
• Use WCF100424 for WCFab dual CP3 or dual alternator trucks
• Replaces GM PNs 19330105, 15792824, 25833204, 97361881
• Not compatible with 2006–2007 GMC Sierra

Have questions or need help choosing the right configuration? Call our Texas shop at 512-982-9393 or our California shop at 562-981-6800. We offer installation and customization services at our two locations in Austin, Texas and the Los Angeles, California area.

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

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