Application: for Audi A4 1.8T (B5) Engine Code APU, ARK 1998-99 for Audi A4 1.8T (B6) Engine Code BFB 2002-05 for Audi A4 with AMG, AWM, ATW, AUG Engine 2000-05 for Audi A6 1.8T (C5) Engine Code APU, ARK 1998- for Volkswagen Passat B5 1.8T Engine Code APU, ARK 1996-00 for Volkswagen Passat with AMG, AWM, ATW, AUG Engine 2000-05 Part /OEM Number: 53039880029, 5303-988-0029, 5303 988 0029, 53039700029, 5303-970-0029, 5303 970 0029, 53039880025, 5303-988-0025, 5303 988 0025, 53039700025, 5303-970-0025, 5303 970 0025, 058145703J, 058145703JX, 058145703JV, 058145703K, 058145703KX, 058145703KV, 058145703N, 058145703NX , 058145703NV, 058145703Q, 058145703QX, 058145703QV Specification Compressor : Wheel Diameter: 50/36 mm Trim: 51.8 Compressor Inlet: 44.4mm Compressor Outlet: 50mm Blades: 6 x 6 blades Turbine : Wheel Diameter: 44/40 mm Trim: 82.6 Blades: 11 blades Inlet Flange: 3 Bolt Flange Outlet Flange: 3 Bolt Flange =================================== Turbo Model: K03 Engine: