This little guy basically monitors the engine's temperature. It's a valve that opens and closes to control the flow of coolant – that’s the stuff that keeps your engine from overheating. It reads how hot things are and adjusts accordingly, letting more or less coolant circulate through the radiator to keep everything at the right temperature. It’s a pretty simple idea, but super important. Think of it as the engine's temperature regulator. When the engine is cold, the thermostat stays closed, which helps it warm up faster. Once it reaches the proper operating temperature, it starts to open, allowing coolant to flow and maintain that temperature. It works with the radiator, the water pump, and the cooling fan to create a whole cooling system. It’s right in the coolant pathway, usually near the radiator hose. If this thing fails, you’ll notice if it’s stuck closed – your engine will quickly overheat, that’s a big problem. If it’s stuck open, it’ll take forever to warm up and your heater probably won't work well. It can also affect fuel efficiency and even damage other parts of your engine over time. It acts like a shield, protecting your engine from extreme temperatures. Honestly, it’s a relatively cheap part, and replacing it before it causes a bigger issue is always a smart move. You can find them easily enough, Fixparts Online has a good selection if you’re looking for one. Replacing it is fairly straightforward on most vehicles, but if you're not comfortable doing it yourself, a mechanic can take care of it quickly. Backed by experts: Thermostat (MPN TSE3) comes with a 12-month warranty!

About MAHLE

MAHLE drives advancements in vehicle efficiency and sustainability with its engine components and filtration solutions.

Why Choose MAHLE?

• MAHLE parts are built to last, using high-quality materials and advanced engineering so you get reliable performance for years to come. • We make a huge range of parts, from engine components to filters and HVAC systems, meaning you can get almost everything you need from one trusted brand. • MAHLE is an original equipment supplier to many major car manufacturers, so you know our aftermarket parts meet the same tough standards. • We’re constantly innovating to improve our parts and develop new technologies, keeping your vehicle running efficiently and smoothly. MAHLE – trusted quality, available at FixParts Online!