This FEBI BILSTEIN oil filler cap, part number 47381, is specifically engineered for automatic transmission systems. It provides a reliable and durable seal, crucial for preventing the loss of transmission fluid and protecting internal components from contamination. Proper sealing of the transmission fluid reservoir is vital for the optimal performance and longevity of your automatic gearbox. This cap is manufactured to meet stringent quality standards, ensuring a precise fit and dependable operation. Choose FEBI BILSTEIN for quality components that help maintain your vehicle's transmission system in excellent condition. This oil filler cap is an essential part for routine maintenance and ensuring the integrity of your automatic transmission.