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K04 turbocharger for 1.8T engines
The K04-015 turbocharger is designed as an improved version of the K03 turbocharger for select 1.8T engines in Audi A4, Audi A6, and Volkswagen Passat vehicles. Applicable engine codes include AEB, ANB, APU, AWT, AVJ, and BEX, depending on model and year.
Application
- Audi A4 1.8T: AEB, ANB, APU, AWT, AVJ, BEX, model years 1995–1999 and later applications indicated for the variant.
- Audi A4 Quattro 1.8T: AEB, ANB, APU, AWT, AVJ, BEX, from 1999.
- Audi A6 1.8T: AEB, ANB, APU, AWT, years 1997–1999.
- Audi A6 Quattro 1.8T: AEB, ANB, APU, AWT, from 1999.
- Volkswagen Passat 1.8T: AEB, ANB, APU, AWT, from 1999.
Before purchasing, please compare the installed turbocharger number, connections and vehicle configuration with the product data.
Technical data
| Turbocharger type | K04, improved version of K03 |
|---|---|
| Model | K04-015 |
| Cooling | oil and water |
| Bearing type | plain bearing |
| Thrust bearing | 270 degrees |
| Power range given in the source | up to 220 HP |
| Compression wheel | diameter 50/37.5 mm, trim 56, inlet 44.5 mm, outlet 50 mm, blade arrangement 4 × 4 |
| Turbine wheel | diameter 46/42 mm, trim 83.7, 12 blades |
| Inlet flange | 3-bolt |
| outlet flange | 3-bolt |
| Product dimensions | 27 × 26 × 21 cm |
| Product weight | 6 kg |
Materials listed in the product data
- Turbine housing: QT450-10 ductile iron.
- Turbine wheel: K418 alloy.
- Compressor housing: ZL104 aluminum.
- Compressor wheel blades: cast aluminum.
OEM/OE numbers
Confirmed OEM/OE numbers: 53049880015, 53049700015, 53039880005, 53039700005, 53039880013, 53039700013, 53039880029, 53039700029.
Reference numbers
Additional search numbers and part numbers: 53039880073 and K04-015.
The source data also includes part numbers: 53039880025, 53039700025, 53039700073, 058145703L, 058145703LX, 058145703LV, 058145703J, 058145703JX, 058145703JV, 058145703K, 058145703KX, 058145703KV, 058145703N, 058145703NX, 058145703NV, 058145703Q, 058145703QX, 058145703QV, 058145703B, 058145703C, 058145703D, 058145703E and 058145703H.
Assembly information
Before installing a new turbocharger, it's important to determine and correct the cause of the previous part's failure, particularly problems with oil supply, foreign bodies in the intake system, or faulty crankcase ventilation. The source recommends professional installation.
Helpful information before purchasing
The K04-015 turbocharger is designed for select Audi A4, Audi A6, and Volkswagen Passat models with 1.8T engines and codes AEB, ANB, APU, AWT, AVJ, and BEX. Selection should be confirmed based on the vehicle's turbocharger number, engine code, Quattro drivetrain, and model year.
The most important information
- Type K04, identified in the source as an improvement of the K03.
- Oil and water cooling and plain bearing.
- The inlet and outlet flanges are 3-bolt.
- Power range given in source data: up to 220 HP.
- Confirmed OEM/OE numbers are in the section above.
Contents of the set
The offer applies to the K04-015 turbocharger. The source does not separately list additional kit components, so the scope of accessories should be verified before purchase.
Frequently asked questions
How do I check if a part fits?
Compare the original turbocharger number, engine code, model, year, Quattro version, and connection type with the product data. Confirmed numbers include 53049880015, 53049700015, and 53039880005.
Is the product ready for assembly?
The source recommends professional installation. Before installation, it's also necessary to diagnose and correct the cause of the previous turbocharger failure.
Does the offer include a complete set?
The source does not provide a detailed list of additional kit components. Before purchasing, it's worth verifying the scope of equipment for your chosen variant.
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