OEM:   4572001770 ,4572000070 , 4572002570

CAR BRAND：Idler pulley for BENZ
SKF / INA：

Idler pulley is responsible for maintaining the proper tension on the timing belt to ensure accurate engine timing. 
Professional  auto timing belt kits idler pulley manufacturer - China SAILUNTE

Timing belt kit includes an Timing Tensioner Idler pulley , which is an essential component of the engine's timing system. 

Features:

Thirdly, it is precisely engineered to maintain the proper tension on the timing belt, which helps to prevent engine damage and ensure accurate engine timing.