A 12-point key (double hexagon) 30 mm for tensioning the timing belt, designed for use on the VAG vehicles listed on our website.
The VAG 829090 tensioning key allows the user to adjust the camshaft drive belt tensioner in the order specified by the manufacturer.
Model 829090 is specially designed for use in the latest line of turbocharged petrol engines of 1.0 L, 1.2 L and 1.4 L with belt drive. Equivalent to OEM T10499