Coolant Thermostat Housing Assembly 12673659 Fits Buick LaCrosse/Regal Sportback
Coolant Thermostat Housing Assembly 12673659 Fits Buick LaCrosse/Regal Sportback
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Condition: New other (see details)
The Coolant Thermostat Housing Assembly (part number 12673659) is a direct-fit replacement component designed to regulate coolant flow between the engine and radiator, helping maintain proper operating temperature. Engineered to match OEM specifications, this thermostat housing assembly is compatible with the Lacrosse and Regal Sport B, giving owners of these vehicles a dependable replacement option for a worn or failing unit.
A coolant thermostat housing that no longer seals properly can lead to leaks, overheating, or inconsistent engine temperatures, all of which put unnecessary strain on your cooling system and engine components. Installing a coolant housing assembly built to factory dimensions helps restore a tight seal at the connection points, supporting steady coolant circulation and reducing the risk of temperature-related engine issues. Because it's designed as a direct replacement for part number 12673659, installation follows the same mounting points and connections as the original equipment, without the need for custom modifications.
This thermostat housing assembly is best suited for Lacrosse and Regal Sport B owners performing routine cooling system maintenance or replacing a cracked, leaking, or corroded housing. Anyone searching for a coolant thermostat housing replacement or a Regal Sport B cooling system part will find this assembly a practical solution for keeping engine temperature regulation running as intended.
📦 Shipping Information
United States Orders: Shipped via Canada Post. Estimated delivery: 4–7 business days (may take up to 10 business days if border delays occur).
Canadian Orders:Orders are shipped via Chit Chats. Estimated delivery is typically 2–6 business days, depending on destination and carrier processing times.
International Orders:Shipped with Chit Chats or Canada Post, depending on service availability. Estimated delivery: 7–15 business days (varies by destination).
Returns & Refunds Policy: We offer a 30-day return window. Items must be gently used, in their original packaging and not have major signs of use/damage
Customs Duties & Import Fees: Orders shipped outside Canada may be subject to import duties, taxes, or customs fees. For U.S. orders, all duties are pre-paid and included—no extra charges at delivery.
Disclaimer: At DaveyDooDeals, our products are sourced from trusted channels, including surplus warehouses, authorized distributors, and carefully selected clearance inventories. While many items are new and unused, some are reclaimed from decommissioned equipment or overstock. Each listing clearly states the item’s condition and any known defects. In the unlikely event that a defect is missed, our 30-day return policy has you covered.
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