The Wehrli L5P Duramax thermostat housing is a direct replacement for 2017–2025 6.6L Duramax applications, finished in sparkle bomber orange powder coat to dress up the engine bay and complement other WCFab parts. It installs in place of the OEM housing without modification and is offered in various powder-coat colors so you can coordinate with intake kits, intercooler piping and coolant tank pieces for a finished appearance.
Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange