Heavy Duty A6 Compressor EARLY serial numberOEM part numbers AR92109, AR77343, SE501456, SE501457, TY6665, TY6770 Item Information Uses Original Belt & Hoses, Can be Used for 10 O'Clock and 2 O'Clock Coil Positions, Includes HD Dust Protection and Metric Bolt Kit Replaces A6 With 10PA20 HD 10 Cylinder Denso, Uses Less Power for Greater Efficiency Can use Original A6 500 013 Can use Reman Compressor 500 001 Additional Information European Models, Serial Number 429999 and Below Specifications