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SKU BHR-4G0 317 021 T / K / AF
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An ATF (Automatic Transmission Fluid) oil cooler is a component of the vehicle’s transmission system that helps regulate the temperature of the transmission fluid. It is designed to dissipate excess heat generated during the operation of the transmission, ensuring that the fluid remains within the desired temperature range for optimal performance and longevity. The primary function of an ATF oil cooler is to cool down the transmission fluid by transferring heat from the fluid to the surrounding air. As the hot transmission fluid flows through the cooler, it passes through a network of tubes or fins that provide a larger surface area for heat dissipation. This helps maintain the transmission fluid at an appropriate operating temperature and prevents overheating .ATF oil coolers can be located in various positions depending on the vehicle’s design. Common locations include in the radiator or separate cooler units mounted in front of the radiator, in the transmission pan, or in a dedicated cooler assembly. ATF oil coolers are typically made of metal, such as aluminum or copper, for efficient heat transfer. They consist of tubes or fins that facilitate the circulation of transmission fluid and maximize the surface area in contact with the cooling air. In some cases, coolers may also include a thermostatic valve to regulate the flow of fluid through the cooler based on the fluid temperature. The presence of an ATF oil cooler provides several benefits. It helps maintain the transmission fluid at a suitable temperature, which promotes better lubrication and reduces wear on transmission components. Additionally, cooler fluid can improve the efficiency of the transmission by preventing overheating-related performance loss. ATF oil coolers generally require little maintenance beyond regular inspection for leaks and damage. However, if the cooler becomes clogged with debris or the transmission fluid is contaminated, it may need to be cleaned or replaced. It is crucial to follow the manufacturer’s recommendations regarding maintenance intervals and procedures. In some cases, vehicle owners may opt to install aftermarket or auxiliary ATF oil coolers to enhance transmission cooling capacity, particularly in high-performance or towing applications. These additional coolers can help mitigate the risk of fluid overheating and prolong the life of the transmission. It’s important to consult the vehicle’s service manual or a qualified mechanic for specific information on the ATF oil cooler in your particular vehicle. They can provide guidance on maintenance, replacement, or any additional considerations specific to your vehicle’s transmission system.

SKU :BHR-4G0 317 021 T / K / AF
Condition : New product
Brand : BEHR
Sold in quantity : 1
Product grade : performance part

suitable for VOLKSWAGEN Models


Part Number

4G0 317 021 T / K / AF


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