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Turbocharger K04-015 for 1.8T engines
The K03 upgraded, K04 turbocharger is designed for use in Audi and Volkswagen 1.8T petrol engines. The product is recommended for AEB, ANB, APU, AWT, AVJ, and BEX units, including those found in the Audi A4, Audi A6 Quattro, and Volkswagen Passat.
Before purchasing, compare the installed turbocharger part number and connection parameters with the product data. The source recommends professional installation and analysis of the cause of the failure of the previous turbocharger before installing the new part.
Application
- Audi A4 1.8T AEB/ANB/APU/AWT 20V/AVJ, model years 1995–1999.
- Audi A4 Quattro 1.8T AEB/ANB/APU/AWT/AVJ/BEX, from 1999.
- Audi A6 1.8T AEB/ANB/APU/AWT, from 1997.
- Audi A6 Quattro 1.8T AEB/ANB/APU/AWT, from 1999.
- Volkswagen Passat 1.8T AEB/ANB/APU/AWT, from 1999.
The listed applications do not imply universal fitment for every vehicle. Verification of the part number and engine version is necessary.
OEM/OE numbers
- 53039880005
- 53039700005
- 53039880013
- 53039700013
- 53039880029
- 53039700029
Technical specifications
| Turbocharger type | K03 upgraded, K04 |
|---|---|
| Support model | K04-015 |
| Engines | AEB, ANB, APU, AWT, AVJ, BEX |
| Fuel type | Gas |
| Cooling | Oil and water |
| Bearing | Floating bearing |
| Thrust bearing | 270 degrees |
| Compression wheel | Diameter 50/37.5 mm, trim 56, inlet 44.5 mm, outlet 50 mm |
| Compressor blades | 4 × 4 |
| Turbine wheel | Diameter 46/42 mm, trim 83.7, 12 blades |
| Inlet flange | 3 screws |
| outlet flange | 3 screws |
| Declared power | Up to 220 HP |
| Product dimensions | 29 × 27 × 23 cm |
| Product weight | 5880 g |
Materials and construction as per product data
- Turbine housing: alloy steel with silicon and molybdenum additions.
- Turbine wheel: K419 alloy.
- Compressor wheel: CNC milled from billet forged aluminum.
- Oil seal: steel sealing ring.
Helpful information before purchasing
This K04-015 turbocharger is designed for select 1.8T petrol engines in the Audi A4, Audi A6 Quattro, and Volkswagen Passat. Selection should be confirmed by the engine code, existing turbocharger model number, and connection type. This product is not universally applicable.
The most important information
- Type K03 upgraded, K04, with CNC machined billet compressor wheel.
- Engine compatibility includes codes AEB, ANB, APU, AWT, AVJ and BEX as per the application list provided.
- The turbocharger is cooled by oil and water.
- The inlet and outlet flanges each have 3 mounting points.
- The source states application for power up to 220 HP.
Contents of the set
The scope of the offer corresponds to the elements shown in the product image. The source does not include a detailed list of additional accessories, so please verify the completeness of the set for your chosen variant before purchasing.
Frequently asked questions
How do I check if a part fits?
Compare the engine code, original turbocharger number, port layout, and vehicle data with the information in the offer. Confirmed numbers include: 53039880005, 53039700005, 53039880013, 53039700013, 53039880029, and 53039700029.
Is the product ready for assembly?
The source recommends professional installation. Before installing a new turbocharger, the cause of the previous part's failure should be determined and corrected, such as an oil supply problem, foreign bodies in the intake manifold, or faulty crankcase ventilation.
Does the offer include a complete set?
The offer includes the product and accessories shown in the photo. Since the source does not specify the exact scope of delivery, please confirm completeness before purchasing.
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