Product description

K04-001 upgrade turbocharger for increased power on the 1.8T engine.

Suitable for:

• Audi A3 (UPGRADED) 1.8L AUM 96-
• Audi 1.8T 1.8L 97-
• Audi A3 1.8L 96-99
• Audi A3 1.8T 1.8L ARZ/APP/AUQ 00-
• Audi TT 1.8T 1.8L APP/AUM/AUQ/ARY 99-
• Audi A4 1.8T 1.8L AVJ 01-
• VW Beetle 1.8T 1.8L AUM/AWU/AWV/BKF/BNU 00-
• VW Bora Sport 1.8T 1.8L AUM/AWU/AUQ 02-
• VW Golf GTI 1.8L AUM/AWU/AUQ 00-
• Seat Leon 1.8T 1.8L AJQ 00-
• Seat Leon Cupra 1.8L ARY 02-
• Skoda Octavia 1.8T 1.8L AUQ 02-
• Skoda Superb 1.8T 1.8L AUQ 02-

Please note

• This is an upgraded K04 turbo as a replacement for the K03-053 and K03-052 (some adjustments may be required for the K03-052)
• Check the turbo model, turbo part number, and OEM number of your original turbo to ensure the correct choice

Specifications

• Turbo model: K04 K04-001
• Engine code: ARZ/APP/AUQ/APP/AUM/ARY/AWU/AWV/AWU/AJQ/ARY/BKF/BNU
• OEM / part number (turbo): 53049500001, 5304 950 0001, 5304-950-0001, 53039700052, 5303 970 0052, 5303-970-0052, 53039880052, 5303 988 0052, 5303-988-0052, 53039880053, 5303 970 0053, 5303-970-0053, 53039880058, 5303 988 0058, 5303-988-0058
• Cooling: Water-cooled
• Bearing type: Journal/Floating bearing
• Power: up to 400+ hp
• Condition: New
• Warranty: 1 year for manufacturing defects

Features

• Ductile cast iron QT450-10 turbine housing, resistant to temperatures up to 700℃
• Steel turbine wheel made of special K418 alloy for high oxidation resistance up to 900℃
• Cast aluminum compressor wheel with good airtightness and corrosion resistance
• OEM quality and dimensions, requiring few adjustments

Check fitment

Always check the original OEM part number, year of manufacture, engine code, and vehicle trim before ordering, as differences may exist per trim level. Are you unsure if this part fits your vehicle? Feel free to contact us before purchasing.