... 55777Outer Dia.:70mm Width:25mm Belt tensioner pulley used on: AUDI A3 (8P1) 1 .9TDI, 2.0TDI, 2.0TDI ... quattro (2003- ) 2.0TDI 16V, 2.0TDI 16V quattro (2005- )SEAT ALTEA (5P1) 1.9TDI, 2.0TDI, 2. ... ,American,Japanese and Korean cars or trucks, models such as Audi, BMW, Benz, Ford, GM, Volvo, Volkswagen,SAAB, Toyota ... at the most competitive price. Belt tensioner used on Audi A3(8P1),SEAT ALTEA (5P1) 1.9/2. ...