- Replace Part Number: 3W4Z8548AD, 902-903 - Package Includes: 1 Engine Coolant Thermostat Housing Assembly (includes Thermostat, Housing, and Gasket) Compatibility: - Designed for Lincoln LS 2003-2006 - Fits Ford Thunderbird 2003-2005 with V8 3.9L engine Key Benefits: - High-quality construction ensures durability and reliability. - Repairs leaking thermostat housings, preventing costly engine damage. - Corrects engine overheating issues caused by malfunctioning thermostats. - Easy to install with a perfect match to the original vehicle components. Functionality: - Maintains optimal engine temperature by controlling the flow of coolant. - The coolant tank temporarily stores coolant fluid, accommodating changes in pressure as the engine heats and cools. - If you experience coolant leaks, low coolant levels, or engine overheating, this assembly is crucial for restoring proper function. Applications: - Restore your Lincoln LS or Ford Thunderbird's cooling system quickly and effectively to prevent overheating during long drives. - Ensure your vehicle runs smoothly by replacing a faulty thermostat housing assembly that can lead to engine damage. - Perfect for DIY enthusiasts looking to maintain their vehicle or for professional mechanics performing routine repairs. Investing in our Engine Coolant Thermostat Housing Assembly means choosing a reliable solution for common cooling system issues, ensuring your vehicle's performance and longevity.