Thermostat Housing Assembly for 17-23 Cadillac XT5 XT6 GMC Acadia 3.6L 12673659

Thermostat Housing Assembly for Cadillac XT5 XT6 and GMC Acadia

The Thermostat Housing Assembly is a complete engine coolant thermostat and housing unit that regulates coolant flow on 2017-2023 Cadillac XT5, XT6, and GMC Acadia models with the 3.6L engine. Cross-referenced to 12673659, this thermostat housing assembly replaces the original unit so your engine reaches and holds proper operating temperature.

Overview

This Thermostat Housing Assembly for Cadillac XT5, XT6, and GMC Acadia is a direct-fit coolant thermostat unit for 2017-2023 3.6L applications. It controls coolant circulation to keep the engine at the correct operating temperature and prevent overheating or slow warm-up. Ideal for mechanics and owners replacing a leaking or stuck thermostat housing assembly, this unit comes assembled for a straightforward install.

Built For Performance

• Complete assembly with housing and thermostat for 3.6L engines
• Cross-reference 12673659 for easy part verification
• Housing molded to match the factory coolant outlet footprint
• Thermostat rated to open at the specified temperature for the 3.6L engine
• Sealing surfaces finished to accept a proper gasket seal
• Pre-assembled design reduces install steps

Fits These Machines

• for Cadillac XT5 2017-2023
• for Cadillac XT6 2017-2023
• for GMC Acadia 2017-2023

On-The-Job Use

• Replacing a thermostat housing that is leaking coolant
• Fixing an engine that runs cold or overheats due to a stuck thermostat
• Routine cooling system service on 3.6L Cadillac and GMC models
• Restoring correct cabin heat and engine warm-up times

Specs At A Glance

Good To Know

Q: Is this an original GM part? A: No, this is an aftermarket thermostat housing assembly cross-referenced to 12673659 and built to fit 2017-2023 Cadillac XT5, XT6, and GMC Acadia 3.6L models. It is not manufactured by GM.

Q: Does this include the thermostat and gasket? A: This listing is for the thermostat housing assembly, which typically includes the thermostat and housing as a unit. Confirm gasket inclusion and your engine code before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.