This new air dryer assembly fits Mercedes Benz trucks with OEM numbers 0004301315, 0024311215, 1505119 and 1506409. It is an important chassis spare part for the vehicle pneumatic system. It effectively removes moisture and impurities from compressed air to safeguard brake and related components. Made of high-strength anti-rust materials, it runs steadily with long service life. Produced to OEM specifications, it is a reliable aftermarket part for routine truck repair.