Upgrade your 2006-2010 Duramax LBZ or LMM engine with the Wehrli Thermostat Housing Kit, part number WCF100420, featuring a striking red powder coat finish. This CNC-machined billet aluminum upper housing replaces the OEM thermostat housing and coolant pipe, routing coolant upward and forward from the thermostat to improve engine bay accessibility and facilitate larger aftermarket turbochargers. Its innovative design enhances serviceability by providing better access to driver side fuel system components and updating the engine bay appearance for a cleaner look. The kit includes a coolant pipe, silicone boots, and T-bolt clamps for a comprehensive upgrade. Designed to fit models equipped with factory VGT style turbochargers, this kit is essential for high-performance applications, especially when mounting race cover style or SXE turbochargers in the valley. The Wehrli Thermostat Housing Kit not only improves engine cooling efficiency but also adds a custom touch with its durable powder coat finish, available in options suitable for single or twin CP3 setups. This kit replaces GM part numbers 19330105, 15792824, 25833204, and 97361881, offering a reliable upgrade for Duramax enthusiasts seeking enhanced engine bay functionality and aesthetics. Whether you're building a high-performance truck or maintaining a stock engine, this kit offers a robust solution crafted for durability and performance.
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