Heating and Cooling› Thermostats, Housings and Fillers
Wehrli
Wehrli 11-16 6.6L Duramax Thermostat Housing - Red
SKU: W005 WCF100176-RED
Moderate — 2–4 hours
Description
Part #: WCF100176-RED
This Thermostat Housing for 2011-2016 6.6L Duramax is a direct replacement upgrade for the OEM part that helps dress up your engine bay. Comes powder coated in your choice of color to complement other WCFab under hood upgrades like Intake Kits, Intercooler Piping, Upper Coolant Pipes, and Coolant Tanks.
Wehrli Custom Fabrication LML Duramax Thermostat Housing WCFab Red
MIA's Description
It replaces GM part numbers 12642717 and 12645998. The aluminum construction and custom finish help to clean up the engine bay appearance.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Wehrli |
| Part Number | W005 WCF100176-RED |
Videos
Duramax Fabricated Aluminum Coolant Tanks
Duramax Upper Coolant Pipe Replacements
WCFab 1999 - 2023 GM Billet Coolant Heater Core Firewall Fitting
WCFab Lower Valance Filler Panel For 2015-2019 2500|3500 Chevy Pickups
WCFab 2006 - 2010 LBZ / LMM Duramax High Flow 3" Y Bridge Kit
Possible LML DURAMAX rear engine coolant leak solutions.
2006-2010 LBZ | LMM Duramax Stage 3 High Flow Intake Bundle Kit
WCFab 2006 - 2010 LBZ / LMM Duramax High Flow Intake Horn
WCFAB DURAMAX 4" INTAKE INSTALL!
WCFab 3.5 Inch Passenger Side Intercooler Pipe Install. 2017-2019 2500/3500 L5P Duramax!!
Wehrli Fab Trans Cooler Thermostat Bypass Duramax L5P Full Install!!
Wehrli Fab Trans Cooler Cover Duramax L5P Full Install!!
Wehrli Fab Valance Panel Kit For 15-19 Chevrolet 2500/3500 Trucks!! One Of The First!! LML and L5P!
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy