| Turbo Frame Model | K03 / K03s |
| Applicable Engine Displacement | 1.8 liter (1798cc) |
| Cylinders | 4-Cylinder |
| Supported Engine Series | EA113 / EA888 1.8T |
| Compressor Diameter | 46/42 mm |
| Blade Count | 12 pieces |
| Intake Manifold Type | 3 Bolt Flange |
| Exhaust Manifold Flange | 3 Bolt Flange |
| Turbo End Angle | Wastegate type |
| Bearing Type | Floating Journal Bearing |
| Coolant Type | Water Cooling + Oil Cooling |
| Brand | Bosch Mahle / BorgWarner / KKK |
| Origin Country | Canada |
| Applicable Year | 1996-2006（K03） / 2000-2006（K03s） |
| Power Boost | Original factory rating of approximately 150 hp, Stage 1 up to approximately 200 hp, Stage 2 up to approximately 220 hp |
Manufacturer No.
BOSCH_K0353039880029058145703E06J145701G1900-100-025
OEM Part No.
06J145701G058145703E
Engine Part No.
1.8T1.8 TFSIAEBATWAWMAUGAPUAWTAWPAWWAMUBAM
Interchange No.
530398800291900-100-025K03K03sK04
Fitment Vehicles
Volkswagen Bora 1.8TVolkswagen Touran 1.8TVolkswagen Sagitar 1.8TVolkswagen Passat B5 1.8TAudi A4 B6/B7 1.8TAudi A3 8P 1.8 TFSIAudi TT 8J 1.8 TFSISkoda Octavia 1.8TSEAT Leon 1.8T
Intake And Exhaust System - Industrial Encyclopedia
High-quality aftermarket BOSCH K03 turbocharger compatible with 1.8T VAG engines. OE numbers: 53039880029, 058145703E, 06J145701G, 1900-100-025. Direct replacement for improved engine performance and efficiency.