-3%
Click to zoom in
SKU: WCF100420-RED
Wehrli 2006-2010 Chevrolet Silverado GMC Sierra 2500 3500 HD Duramax LBZ LMM Thermostat Housing Kit - WCFab Red
The Wehrli Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit fits 2006-2010 Duramax LBZ LMM engines in Chevrolet Silverado and GMC Sierra HD trucks. It replaces the OEM upper radiator hose crossing the driver side valve cover and the coolant return pipe with an upward forward coolant path from the thermostat. This design delivers easier access to driver side fuel system parts room for bigger aftermarket turbos and a cleaner engine bay.
Key Features
- Billet Aluminum Construction: CNC machined for strength and leak-free performance under high boost and heat
- Top Outlet Routing: Directs coolant upward and forward to eliminate cramped hoses over valve covers
- Fuel System Access: Opens space around driver side for simpler maintenance on injectors pumps and lines
- Turbo Clearance: Provides extra room for larger aftermarket turbochargers without relocation hassles
- Custom Powder Coat Finish: WCFab Red coating resists corrosion enhances engine bay style available for single CP3 setups P/N WCF100420
Product Notes
- Replaces GM part numbers 19330105 15792824 25833204 97361881
- Twin CP3 option available P/N WCF100424
- Retains OEM thermostat for straightforward coolant flow
Installation Notes
- Professional installation recommended.
- Bolts directly to factory locations no cutting or drilling required
- Includes all necessary O-rings gaskets and hardware for secure fit
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006 | Chevrolet | Silverado 2500 HD | LS |
| 2006-2010 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2010 | Chevrolet | Silverado 2500 HD | LTZ |
| 2006-2010 | Chevrolet | Silverado 2500 HD | WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT |
| 2007-2010 | GMC | Sierra 2500 HD | WT |
| 2007-2010 | GMC | Sierra 3500 HD | SLE |
| 2007-2010 | GMC | Sierra 3500 HD | SLT |
| 2007-2010 | GMC | Sierra 3500 HD | WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT |
| 2006 | Chevrolet | Silverado 3500 | LS |
| 2006 | Chevrolet | Silverado 3500 | LT |
| 2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2007-2010 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2010 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2010 | Chevrolet | Silverado 3500 HD | WT |
| 2007-2010 | GMC | Sierra 2500 HD | SLE |
| 2007-2010 | GMC | Sierra 2500 HD | SLT |
Why Choose Wehrli?
- Leaders in Duramax performance parts with billet designs built for racing and daily drivers
- Every component CNC machined in-house for exact fit and flow
- Trusted by diesel builders for reliability in high-horsepower applications
Frequently Asked Questions
-
Q: Will this kit fit both LBZ and LMM Duramax engines?
A: Yes it bolts on to all 2006-2010 6.6L Duramax LBZ and LMM without modifications -
Q: What material and finish does it use?
A: Billet 6061-T6 aluminum with durable WCFab Red powder coat for heat and corrosion resistance -
Q: Is special hardware needed for install?
A: No kit includes all O-rings fittings and bolts reuses OEM thermostat installs in under 1 hour with basic tools
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure foam-lined box 12 x 10 x 6 inches
- Weight: 4.5 lbs
Cooling
Cooling system parts and accessories for HEMI, Hellcat, Trackhawk, Duramax, Cummins, and import performance builds are stocked at Black Ops Auto Works. Shop radiators, thermostats, thermostat housings, water pumps, coolant reservoirs, expansion tanks, radiator hoses, oil coolers, transmission coolers, fans and shrouds, and thermal wrap for street, track, towing, and diesel platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 2116 Cooling SKUs across radiator, thermostat, water pump, hose, and heat management categories. What This Category Covers The Cooling category groups together every part that keeps engine, transmission, and charge air temperatures in check under real driving load. Coverage spans aluminum performance radiators, billet thermostat housings, high flow water pumps, silicone radiator hose kits, coolant reservoirs and expansion tanks, oil and transmission co...
View Cooling Products
Engine
Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...
View Engine Products
Thermostat Housings
Welcome to our exclusive Thermostat Housings collection! Here, you'll find a wide range of products designed to keep your thermostat protected and functioning optimally. Why Choose Our Thermostat Housings? Durability: Crafted from high-quality materials to withstand various environmental conditions. Compatibility: Designed to fit most standard thermostat models. Easy Installation: User-friendly designs that allow for quick and hassle-free setup. Stylish Options: Available in various styles and colors to complement your home decor. Shop Our Top Picks Browse through our top-rated thermostat housings: Premium Thermostat Housing Eco-Friendly Thermostat Housing Smart Thermostat Housing Designer Thermostat Housing Get Started Today! Upgrade your heating and cooling system with our Thermostat Housings. Shop now and experience quality and efficiency like never before!
View Thermostat Housings Products