Belt tensioner pulley, suitable for Mercedes-Benz, Volvo and other vehicles OE 272 200 00 70272 202 14 19

The tensioner pulley is a belt tensioning device used in the automotive transmission system. It mainly consists of a fixed housing, tensioning arm, pulley body, torsion spring, rolling bearing and spring shaft sleeve, etc. It can automatically adjust the tension force according to the different tightness of the belt, ensuring the stability, safety and reliability of the transmission system. The function of the tensioner pulley is to adjust the tightness of the timing belt. Generally, it is replaced together with the timing belt to avoid future troubles. There is no need to replace other parts necessarily. Just have regular maintenance.