This Hybrid K04-015 turbo is a direct bolt-on upgrade for longitudinal 1.8T engines and offers a power potential of up to approximately 300 HP. The turbo replaces the OEM unit 1-to-1, retaining the original connections, except for an enlarged turbo inlet of approximately 50mm for better airflow.
With larger compressor and turbine wheels, this turbo delivers more air and performance, ideal for serious tuning builds.
Advantages
• Power up to ±300 HP
• Direct 1:1 replacement
• Better airflow due to larger wheels
• Faster spool and higher performance
• Suitable for performance builds
• OEM+ fit
• Upgrade for K03 / standard turbo
Technical specifications
• Type: hybrid K04-015 turbo
• Compressor wheel: 60 / 46.5 mm
• Turbine wheel: 50 / 42 mm
• Inlet: ±50 mm
• Boost pressure: ±0.5 bar (higher pressure of 0.7 bar is available under item no. 460139)
Compatibility
• Audi A4 B5 / B6 – 1.8T (longitudinal)
• Audi A6 – 1.8T
• Volkswagen Passat B5 (3B) – 1.8T
Important information
• ECU tuning required for optimal performance
• Recommended upgrades for 300 HP:
• Silicone inlet hose
• 380cc injectors
• Intercooler upgrade
• Upgrade manifold
• 200-cell sports cat
• Minimum 63.5 mm downpipe and exhaust system
• Replace oil supply and return lines during installation
Contents
• Hybrid turbocharger
Frequently Asked Questions
Is this plug & play?
Mechanically yes, but tuning is necessary.
How much power can I get?
Up to about 300 HP with the right supporting mods.
Do I need to upgrade any additional components?
Yes, injectors, intercooler, and exhaust are recommended.
Why replace oil lines?
For reliability and proper lubrication of the turbo.