The Garrett P-Max Upgrade for the Fiat 500 Abarth 1.4L is a direct-fit turbocharger built for owners who want more from their factory engine without the complexity of a custom turbo build. Engineered as a bolt-on replacement for the OEM unit, it delivers a meaningful power increase while retaining the simplicity and reliability enthusiasts expect from a Garrett assembly. This is the choice for Abarth 500 drivers who want a proven, complete solution rather than a piecemeal upgrade.
Specifications
- Model: MGT1446Z
- Garrett P/N: 953223-5001S
- Replaces OEM P/N: 55275806 (812812-5006S)
- HP Capacity: Supports up to 250 BHP | 186kW
- Compressor Flow Increase: +26% compared to the OEM turbo
- Assembly Type: Complete turbocharger assembly with calibrated actuator
- Sensor Port: Fully machined sensor port to monitor turbo shaft speed
- Compatible Speed Sensing Options: G-Smart Bluetooth Module / App (PN 923586-0002), Speed Sensor Kit street version with gauge (PN 781328-0001), Speed Sensor Kit pro version without gauge (PN 781328-0002)
Performance & Application
This P-Max upgrade is purpose-built for the 2009-2023 Fiat 500 Abarth 1.4L platform, designed as a direct swap in place of the factory turbocharger. With increased compressor flow over the OEM unit, it’s engineered to unlock additional power while working within the factory-style packaging and calibration expectations of the platform. The inclusion of a calibrated actuator ensures the turbo is ready to perform out of the box without additional tuning of boost control hardware. Enthusiasts looking to monitor turbo health and performance can pair this unit with Garrett’s shaft speed sensing options for real-time data.
Compatibility & Fitment
- 2009-2023 Fiat 500 Abarth 1.4L
- Direct replacement for Garrett OEM turbocharger PN: 55275806 (812812-5006S)
Frequently Asked Questions
- What HP can the MGT1446Z P-Max upgrade support?
- This turbocharger supports up to 250 BHP | 186kW, representing a 26% increase in compressor flow compared to the OEM turbo.
- What vehicles is this turbocharger compatible with?
- It is a direct-fit upgrade for the 2009-2023 Fiat 500 Abarth 1.4L, replacing Garrett OEM PN: 55275806 (812812-5006S).
- Does this turbo come with an actuator?
- Yes, it is a complete turbocharger assembly that includes a calibrated actuator.
- How can I monitor turbo shaft speed on this unit?
- The turbo features a fully machined sensor port for monitoring shaft speed, compatible with the G-Smart Bluetooth Module / App (PN 923586-0002) or the Speed Sensor Kit in either street configuration with gauge (PN 781328-0001) or pro configuration without gauge (PN 781328-0002).
For Fiat 500 Abarth 1.4L owners seeking a straightforward, direct-fit path to more power backed by Garrett engineering, the MGT1446Z P-Max upgrade delivers a complete, ready-to-install solution built for real results.
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