BorgWarner K04-001 Turbocharger for 1.8T Transverse

Code: 53049500001-53049887501


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Great bolt on performance upgrade, can be used with or without specific programming (only on stock ECU programming, not stage 1, etc).
Note: inlet on the K04 is smaller than K03S (2002-2004.5 180HP 1.8T) thus a silicon turbo inlet pipe must be used, factory inlet will be too big.
  Will not fit Audi TT225

The KKK K04 is a straight bolt on turbo that can be used for multiple different reasons.  Flows more volume than the standard K03, can sustain high boost pressures than the K03, great replacement turbo if your K03 has gone bad.

Can be used without any special programming although specific K04 programming is recommended to extract all potential power from the K04.

*CTS TURBO’s 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:

                1. Date and mileage at which the turbocharger failed

                2. Reasons for turbocharger failure

                3. 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.



Additional information

Weight 17 lbs
Dimensions 18 × 15 × 13 in



Make Model Year Generation
Make Model Year Generation
VW BEETLE 1998 - 2003 MK1
VW GOLF 1999 - 2006 MK4
VW GTI 1999 - 2006 MK4
VW JETTA 1999 - 2005 MK4