belt tensioner used on Audi A3 1.9/2.0TDI, VW GOLF V(1K1) ... .D:70mm width:25 belt tensioner used on Audi A3 1.9/2.0TDI, VW GOLF V(1K1)OEM number ... Width:25mm Belt tensioner pulley used on: AUDI A3 (8P1) 1.9TDI, 2.0TDI, 2.0TDI quattro 2.0TDI ... 16V, 2.0TDI 16V 4motionVW GOLF V (1K1) 1.9TDI, 1.9TDI 4motion 2.0GTD, 2.0SDI, 2.0TDI ... competitive price. Belt tensioner used on Audi A3 1.9/2.0TDI, VW GOLF V(1K1)