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The Wehrli L5P Duramax thermostat housing is a direct replacement for 2017–2025 6.6L Duramax applications, finished in candy teal powder coat to clean up the engine bay and complement other WCFab parts. It installs in place of the OEM housing without modification and is available in multiple powder-coat colors to coordinate with intake kits, intercooler piping and the WCFab coolant tank for a polished appearance.
Wehrli L5P Duramax Thermostat Housing - Candy Teal
