
BorgWarner K03S 1.8T Turbocharger
| Turbo Frame Model | K03 / K03S (K03 Sport) |
| Bearing Type | Floating bearing (Journal Bearing) |
| Coolant Type | Oil Cooling and Water Cooling |
| Compressor Diameter | Approx. 49 mm (K03S is about 5 mm larger than K03) |
| Turbocharger Exit Connection | Original exhaust bypass valve actuator |
| Applicable Engine Displacement | 1.8L Turbocharged / 2.0L TFSI |
| Horsepower Grade | 180 - 200 hp |
| Suggested Replacement Method | Direct replacement, note the difference in actuator |
Manufacturer No.
53037100511530371005265303988046953037110000BWA53037110000
OEM Part No.
058145703J06F145701H06A145704S06A145713F06A145713B
Engine Part No.
EA113 1.8T 20V2.0 TFSIAGUAWPAUQB5
Interchange No.
K03-029K03-052058145703JKTK03SK04
Fitment Vehicles
Volkswagen BoraVolkswagen LavidaVolkswagen TouranVolkswagen Golf IVVolkswagen PassatVolkswagen JettaVolkswagen BeetleAudi A3Audi A4 B7Audi TTSEAT LeonSkoda Octavia
Intake And Exhaust System - Industrial Encyclopedia
High-performance aftermarket BorgWarner K03S turbocharger designed for 1.8T engines. Replaces OE numbers 058145703J, 06F145701H, and 06A145704S. Ensures optimal boost pressure and engine efficiency.
