VSPZ Tensioner pulley: The size :17*70*26 The OE NO.:1175000Q 1192500QAB 7700105325 8200192843 8200421284 8200582997 The Reference NO.: INA : 531042710 SKF : VKM 36091 SNR : GA355.84 GATES : T38484 Tensioners are belt tensioners used in automotive drivetrains. The structure tensioner is mainly composed of a fixed casing, a tensioning arm, a wheel body, a torsion spring, a rolling bearing and a spring bushing, etc. It can automatically adjust the tensioning force according to the different tightness of the belt, making the transmission system stable, safe and reliable.