Heavy Duty A6 CompressorOEM part numbers 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 Can Use HD A6 Replacement with Hi & Lo Pressure Switches 500 0752