This brand new Borg Warner K04 Turbocharger offers more volume than the standard K03 and can sustain a higher boost pressure, making it a logical upgrade for performance enthusiasts eager to take the next step. It's a great replacement if your K03 has failed as well!

To take some of the guesswork out of your upgrade, ECS Tuning is offering a turbo kit that includes high quality gaskets and hardware. For those who want to maximize their K04 experience, we also offer special software upgrades, mapped by the performance experts at APR.

Resistance Is Futile

Click HERE to order or for more information


Fits:
Audi B6 A4 1.8T 2002-2005

*ECS Tuning Official Policy regarding Borg Warner KKK Turbocharger Warranty Claims*

To be eligible for warranty consideration, Borg Warner has stipulated that KKK turbochargers (or turbocharger kits) must be installed by a professional repair facility.

• Warranty claims must be accompanied by a receipt from a professional repair facility showing the date and vehicle mileage when the turbocharger was originally installed.
• An additional receipt from a professional repair facility must accompany the warranty claim indicating:
• Date and mileage at which the turbocharger failed
• Reasons for turbocharger failure
• Proposed repairs intended to correct the cause of the failure (if any)

Borg Warner will, at its discretion and with proper documentation, replace a turbocharger that has failed due to defects in materials and/or original workmanship. All associated labor charges for diagnosis and repair are the responsibility of the vehicle owner.

Let me know if you have any questions.

Jason