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Turbocharger K04-001 for 1.8T engine
The K04-001 turbocharger is designed for 1.8T oil- and liquid-cooled engines. This product is an improvement over the K03-052 and K03-053 turbochargers. When replacing a K03 with a K04-001, it may be necessary to adapt the intake hose as the K04-001 compressor inlet diameter is 48.7 mm, while the K03-052 and K03-053 models have an inlet diameter of 45 mm.
The source indicates applications in, among others, the Audi A3, Audi TT, Seat Leon, Skoda Octavia, Volkswagen Golf, Bora, Jetta, and New Beetle with the appropriate engines and unit codes. Before purchasing, compare the installed turbocharger number with the engine code.
Application
- Audi A3: AGU, ALN, ARZ engines 110 kW/150 HP, year of manufacture 1996–2003; AUQ, ARZ, APP engines 132 kW/180 HP, year of manufacture 1996–2003.
- Audi TT: AUQ engine 132 kW/180 HP, years 1998–2006.
- Seat Leon: AJQ, APP, ARY, AUQ engines 132 kW/180 HP, years 1998–2006.
- Skoda Octavia: AUQ engine 132 kW/180 HP, years 2001–2005.
- Volkswagen Golf, Bora, Jetta: AUQ and ARZ engines, years 2000–2009.
- Volkswagen New Beetle: 1.8L-5V engine, 2000–2005.
- The source also mentions application in the Audi A3, Audi TT, Volkswagen Beetle and Seat Ibiza with the engine marked as FT 190 4EB/4EA/4EC.
Technical data
- Turbocharger model: K04-001, KO4-001, K042075EAC4.82KCAXK, K04-2075EAC5.82KCAXK.
- Type: individual turbocharger.
- Engine: 1.8L-5V transverse.
- Engine codes: AJQ, APP, AUM, AUQ, ARY.
- Cooling: oil and liquid.
- Bearing type: plain/floating.
- Thrust bearing: 270 degrees.
- Reported turbocharger power: 162 kW/220 HP.
- Compressor inlet diameter: 48.7 mm.
- Compressor outlet diameter: 52 mm.
- Condition according to source: new.
OEM/OE numbers
K04-001, K03-052, K03-053, 53049500001, 53039700052, 53039880052, 53039880094, 5303-970-0053, 53039880053, 53039880058, 06A145681H, 06A145702P, 06A145704S, 145681, 145702, 145704.
Additional numbers given for model K04-001: 5304-950-0001, 5304 950 0001, 53049887501, 5304-988-7501, 5304 988 7501, 5304 988 0001, 06A-145-705HP, 06A145705HP. For models K03-052 and K03-053 the source also lists: 5303 970 0052, 5303-970-0052, 5303 988 0052, 5303-988-0052, 5303 988 0094, 5303-988-0094, 06A145704T, 06A145713D, 06A145713DX, 06A145713DV, 06A145713F, 06A145713FX, 8299299564, 5303 970 0053, 5303 988 0058, 5303-988-0058, 06A145713B, 06A145713L, 06A145713M.
Important assembly information
- Please confirm the part number of the turbocharger installed before purchasing.
- The K04-001 compressor inlet is larger than the K03-052 and K03-053; a silicone intake hose or other connection modification may be required for connection.
- Before installing a new turbocharger, the cause of the failure of the previous one must be determined and eliminated, for example insufficient lubrication, a foreign body in the intake system or a faulty crankcase ventilation.
- The source recommends professional installation.
Materials and control
- Turbine housing: ductile iron QT450-10, temperature resistance specified in the source up to 700°C.
- Turbine wheel: K418 steel alloy, oxidation and temperature resistance specified in the source up to 900°C.
- Compressor housing: ZL104 aluminum.
- Compressor wheel blades: cast aluminum.
- The source quotes the TURBOTECHNICS VSR3 balance test and the G3-min-Flow VNT flow test.
Dimensions and weight
- Product dimensions according to source: 30.3 × 27.8 × 24 cm.
- Product weight according to source: 7250 g.
- Package dimensions: 30 × 27 × 24 cm.
- Package weight: 6900 g.
Helpful information before purchasing
This is the K04-001 turbocharger for selected versions of the 1.8T engine used in models such as the Audi A3, Audi TT, Seat Leon, Skoda Octavia, and Volkswagen vehicles. When replacing the K03 model, the larger inlet diameter of the K04-001 compressor should be taken into account, and intake tract modifications may be necessary.
The most important information
- The K04-001 is intended as an improvement over the K03-052 and K03-053.
- The compressor inlet has a diameter of 48.7 mm and the outlet is 52 mm.
- Engine codes supported in the source include AJQ, APP, AUM, AUQ and ARY.
- The turbocharger is oil and liquid cooled and uses a plain/floating bearing.
Contents of the set
The scope of delivery corresponds to the parts shown in the offer photo. Please verify the detailed contents before purchasing.
Frequently asked questions
How do I check if a part fits?
Compare the installed turbocharger number, engine code, power output, and vehicle year with the offer details. When replacing the K03-052 or K03-053, you should also check the connection method for the larger K04-001 intake.
Is the product ready for assembly?
Modification of the intake manifold may be required, and the source recommends professional installation. The cause of the failure of the previous turbocharger must also be addressed before installation.
Does the offer include a complete set?
The source does not list the full scope of the kit. The delivery includes the parts shown in the offer photo, so please verify the scope before purchasing.
Why is it worth buying from Multigenus?
- Ships from European warehouse for selected offers
- Final price within the EU, excluding customs and import surcharges
- 14 days to return in accordance with EU law
- Pre- and post-purchase support
- The product is described in a way that makes it easier to choose the right variant