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K04 turbocharger for 1.8T engines
The K04 turbocharger is an upgrade of the K03 model, designed for selected Audi A4, Audi A6 and VW Passat cars with a 1.8T engine. Applicable engine codes include AEB, ANB, APU, AWT, AVJ and BEX as specified in the source.
The component features a plain bearing, oil and liquid cooling, and a 270-degree thrust bearing. The source states it can be used in systems with power outputs up to 220 HP.
Application
- Audi A4 1.8T, including Quattro versions: AEB, ANB, APU, AWT, AVJ, BEX, years indicated in the source from 1995/1999.
- Audi A6 1.8T and A6 Quattro 1.8T: AEB, ANB, APU, AWT, within the model years indicated in the source 1997–1999 and from 1999.
- VW Passat 1.8T and modernized versions: AEB, ANB, APU, AWT, from 1999.
Before purchasing, please compare the number of the installed turbocharger and other technical parameters with the vehicle data.
Technical data
| Turbocharger type | K04, modernization of K03 |
|---|---|
| Bearing type | Plain bearing |
| Cooling | Oil and liquid |
| Thrust bearing | 270 degrees |
| Declared application power | Up to 220 HP |
| Product dimensions | 27 × 26 × 21 cm |
| Product weight | 6 kg |
| Compression wheel | Diameter 50/37.5 mm, trim 56, inlet 44.5 mm, outlet 50 mm |
| Turbine wheel | Diameter 46/42 mm, trim 83.7, 12 blades |
| Flanges | Inlet and outlet, 3-bolt |
Part numbers and reference marks
Confirmed OEM/OE numbers
- 53049880015
- 53049700015
- 53039880005
- 53039700005
- 53039880013
- 53039700013
- 53039880029
- 53039700029
Additional comparison numbers
- 058145703K
- 53039880073
- 058145703
Assembly Information
Before purchasing, confirm the original turbocharger part number. Before installing the new part, determine and correct the cause of the previous turbocharger failure, particularly problems with oil supply, foreign bodies in the intake system, or a faulty crankcase ventilation valve. The source recommends that installation be performed by a qualified technician.
Helpful information before purchasing
This K04 turbocharger is a K03 upgrade for selected Audi A4, Audi A6, and VW Passat models with the 1.8T engine. Compatibility should be confirmed by the engine code and the installed turbocharger number, especially for the Quattro version.
The most important information
- Designed for selected AEB, ANB, APU, AWT, AVJ and BEX engines.
- Plain bearing, oil and liquid cooling and 270-degree thrust bearing.
- The compressor wheel has a diameter of 50/37.5 mm and the turbine wheel 46/42 mm.
- The turbine inlet and outlet flanges are secured with three screws.
Contents of the set
The scope of the offer should be verified based on current product photos and sales information. The source does not provide a detailed list of additional set components.
Frequently asked questions
How do I check if a part fits?
Compare the original turbocharger number, engine code, vehicle model, year, and connection specifications with the data provided in the description. If in doubt, verify your selection before purchasing.
Is the product ready for assembly?
The source does not confirm the completeness of the assembly components. Assembly and preparation of the system should be performed according to the procedure for the specific engine, after the cause of the previous failure has been eliminated.
Does the offer include a complete set?
The source does not contain a detailed list of the set's components, so the scope of the set should be confirmed before purchase.
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