12673659 Upgraded Aluminum Thermostat Housing Assembly with Coolant Pipe Compatible With Buick Chevy Cadillac GMC Vehicle 2017-2023 XT5 XT6 LaCrosse Blazer Acadia 3.6L V6, Replaces#12678779

【Package Include】 1 * Aluminum Thermostat Housing 1 * Stainless Steel Coolant Outlet Pipe All Pre-Installed High-Temperature FKM Seals Replaces Part Number: #12678779, 12673659, 860-221, 902-2115, 15-11122 Compatible with Cadillac Vehicles: 2017-2023 XT5 3.6L V6 2020-2023 XT6 3.6L V6 Compatible with GMC Vehicles: 2017-2023 Acadia 3.6L V6 Compatible with Buick Vehicles: 2017-2019 LaCrosse 3.6L V6 2018-2020 Regal Sportback 3.6L V6 Compatible with Chevy Vehicles: 2019-2023 Blazer 3.6L V6 Warranty: Our Aluminum Thermostat Housing Assembly Has 1 Year Warranty. All Products Shipped Are Tested And Easy To Install. We Offer True Worry-free Shopping And Convenient Refund Policy Experience. 100% Brand New And High Quality Guaranteed.

• 【Replace Part Number】 - 12678779, 12673659, 860-221, 902-2115, 15-11122. Before ordering, please confirm compatibility and weather are suitable for your vehicle!
• 【Precise Direct Fit】 - This thermostat housing assembly is 100% compatible with Cadillac vehicle 2017-2023 XT5, 2020-2023 XT6 | compaible with Buick vehicle 2017-2019 LaCrosse, 2018-2020 Regal Sportback | compatible with Chevy vehicle 2019-2023 Blazer | compatible with GMC vehicle 2017-2023 Acadia, all equipped with 3.6L V6 engines.
• 【Upgraded Full Aluminum Construction】 - Unlike the fragile original plastic housing that cracks and leaks over time, our thermostat assembly features a one-piece die-cast aluminum housing with superior heat resistance and structural strength. Resists warping, cracking and corrosion even under extreme engine operating conditions, eliminating the most common cause of coolant leaks and overheating issues.
• 【Complete Assembly with Seals】 - This all-in-one kit includes everything you need for a full replacement: 1x thermostat housing with integrated 105℃ (221°F) thermostat, 1x stainless steel coolant outlet pipe, and all pre-installed high-temperature FKM seals.
• 【Durable & Reliable Performance】 - Built to meet or exceed original equipment manufacturer specifications. Every unit undergoes comprehensive pressure testing, thermal cycle testing and leak testing before packaging. The precision-calibrated brass thermostat core ensures accurate coolant temperature control, maintaining optimal engine performance and fuel efficiency.
• 【Support】 - If you have any questions about our product, please contact us, we will deal with it as soon as possible!