ATF cooler thermostat A1645010065

Description

ATF cooler thermostat by MERCEDES, catalog number A1645010065. Confirmed catalog fitment: Mercedes-Benz C-Class S203 (2001–2007), Mercedes-Benz C-Class W203 (2000–2007), Mercedes-Benz CLK A209 (2003+), Mercedes-Benz CLK C209 (2002–2009), Mercedes-Benz CLS C219 (2004+) and other body variants. For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.

TRANSMISSION OIL COOLING THERMOSTAT (AUTOMATIC TRANSMISSION). The automatic transmission oil cooling thermostat is a component designed to regulate the temperature of transmission fluid and maintain the optimal operating conditions of an automatic transmission. This component controls the flow of transmission oil between the transmission and the cooling radiator or heat exchanger, allowing the fluid to circulate depending on its temperature. The primary function of the thermostat is to accelerate the warm‑up of transmission fluid after the engine is started and prevent excessive cooling in low ambient temperatures. Once the fluid reaches the predetermined temperature, the thermostat opens the channel that directs oil to the heat exchanger or cooling radiator where the fluid temperature is reduced. This process helps maintain stable operation of the automatic transmission, reduces wear of internal transmission components and contributes to extending the service life of the transmission assembly. Automatic transmission oil cooling thermostats are manufactured from heat‑resistant and wear‑resistant materials that can withstand the effects of transmission fluid, temperature fluctuations and operating pressure. The design typically includes a housing, a temperature‑sensitive element and a valve mechanism that automatically regulates the oil flow. The catalog includes various types of automatic transmission oil cooling thermostats designed for passenger cars, SUVs and commercial vehicles equipped with automatic transmissions.

Compatibility

Fits 12 vehicles

Nothing found

About the manufacturer · MERCEDES

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the...

Mercedes‑Benz is a German premium automotive brand and one of the oldest automobile manufacturers in the world, with its history dating back to 1886 when Karl Benz created the first gasoline‑powered automobile. Today the brand is part of Mercedes‑Benz Group and is recognized globally as a leading manufacturer of passenger cars, commercial vehicles and genuine automotive spare parts. Under the Mercedes‑Benz brand a wide range of original components is produced for the company’s vehicles, including engine parts, cooling system components, suspension elements, braking systems, transmission components, electronic modules, body parts and various maintenance and service items. Genuine Mercedes‑Benz parts are designed according to strict factory engineering standards and undergo comprehensive quality control throughout the production process. This ensures precise fitment, reliable performance and full compatibility with the vehicles they are intended for. According to feedback from car owners and automotive repair professionals, Mercedes‑Benz genuine parts are highly regarded for their excellent build quality, long service life and dependable operation even under demanding driving conditions. Many users also highlight the perfect fit and ease of installation of original components. The most frequently mentioned drawback is the relatively high price compared with many aftermarket alternatives, although many vehicle owners consider the cost justified due to the durability, safety and preservation of the vehicle’s original factory performance.

Additional information

ATF cooler thermostat by MERCEDES, catalog number A1645010065, is listed for vehicle repair or maintenance. The catalog identifies the item as “ATF cooler thermostat”. Confirmed catalog fitment: Mercedes-Benz C-Class S203 (2001–2007), Mercedes-Benz C-Class W203 (2000–2007), Mercedes-Benz CLK A209 (2003+), Mercedes-Benz CLK C209 (2002–2009), Mercedes-Benz CLS C219 (2004+), Mercedes-Benz E-Class S211 (2003–2009) and other body variants. Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number A1645010065 and manufacturer MERCEDES. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN. Also compare appearance, connectors, mountings, dimensions, and included items whenever those details are relevant to this part.

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