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The Wehrli L5P Duramax thermostat housing is a direct replacement for 2017–2025 6.6L Duramax applications, finished in sparkle granny smith powder coat to dress up the engine bay and complement other WCFab parts. It swaps in for the OEM housing without modification and is available in multiple powder-coat finishes to coordinate with intake kits, intercooler piping and coolant tank components for a polished, integrated look.
Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith
