fits model: S4. year: 2004–2009.

( Brand: Wd Express ), ( Manufacturer Part Number: 116-54049-001 ), ( Part Type: Engine Thermostat ), ( Quantity Sold: Sold Individually ), ( Fitment Footnotes: W/o Housing; ), ( Quantity Needed: 1; )
The 04-09 engine coolant thermostat (part number: 54049 WD 116 001) is a genuine replacement component designed specifically for S4 models equipped with the 4.2L engine. This thermostat is an essential part of your vehicle's cooling system, ensuring optimal engine temperature regulation for optimal performance and fuel efficiency.
The thermostat operates by regulating the flow of coolant between the engine and radiator, depending on the engine's temperature. When the engine is cold, the thermostat allows more coolant to flow to the radiator, helping to cool the engine down quickly. As the engine temperature rises, the thermostat closes to reduce the flow of coolant, keeping the engine at an optimal operating temperature.
This 04-09 engine coolant thermostat is made of high-quality materials, including a durable stainless steel housing and a precision-machined valve. The valve is made of a heat-resistant material that can withstand the high temperatures in the engine compartment, ensuring long-lasting performance. The thermostat also features a built-in temperature sensor, which sends a signal to the engine control unit to adjust the air-fuel mixture and timing to optimize engine performance.
Installing this thermostat is straightforward and can be done as a DIY project or by a professional mechanic. The thermostat is easily accessible in the engine compartment, and the installation process involves removing the old thermostat, installing the new one, and reconnecting the cooling system hoses. It is important to use a new gasket when installing the thermostat to ensure a tight seal and prevent leaks.
In conclusion, the 04-09 engine coolant thermostat (part number: 54049 WD 116 001) is a crucial replacement component for S4 models with the 4.2L engine. Its high-quality materials and precision engineering ensure long-lasting performance and optimal engine temperature regulation. Replacing this thermostat is a straightforward process that can help maintain your vehicle's performance and fuel efficiency.
Pros of buying a 04-09 engine coolant thermostat (Genuine Thermostat S4 4.2L, Part Number: WD 116 001) include:1. Genuine product: This thermostat is an official Audi/Volkswagen part, ensuring proper fit and function in your S4 4.2L engine.
2. Quality assurance: Since it's an original equipment manufacturer (OEM) part, you can expect high-quality materials and reliable performance.
3. Compatibility: Designed specifically for your car model and engine, this thermostat will fit properly and work seamlessly with your cooling system.
Cons of buying a 04-09 engine coolant thermostat include:1. Price: Genuine OEM parts often cost more than aftermarket alternatives.
2. Limited availability: OEM parts may not be readily available at local auto parts stores or online retailers, limiting your shopping options.
3. Longer wait times: Since these parts are often shipped directly from the manufacturer, you may have to wait longer for delivery compared to aftermarket parts.
Recommendation:If you value the peace of mind that comes with using genuine OEM parts, the 04-09 engine coolant thermostat (WD 116 001) for your S4 4.2L engine is a good choice. Its high-quality materials and fit guarantee reliable performance. However, if you're looking for a more budget-friendly alternative, researching reputable aftermarket brands can still provide a reliable and compatible thermostat at a lower cost. Ultimately, the decision should be based on your preferences, needs, and budget.
Engine coolant thermostat-genuine thermostat fits S4 4.
This part fits vehicles made in the following years 2003, 2004, 2005, 2006, 2007, 2008, 2009.