Garrett PowerMax Turbocharger – Fiat 500 Abarth 1.4L (2009–2023)
Description
POWERMAX™ DIRECT-FIT PERFORMANCE TURBOCHARGER
2009–2023 Fiat 500 Abarth 1.4L
Supports up to 250 BHP | 168 kW, with a +26% increase in compressor flow compared to the OEM turbo, delivering improved performance potential while maintaining factory drivability.
Kit Part Number: 953223-5001S
IMPORTANT PRODUCT INFORMATION
“Garrett Performance Kits are professional aftermarket products only designed for certain racing vehicles driven on particular racing tracks and shall only be used on racing vehicles that will never be driven on public roads or highways. Garrett Performance Kits are not legal for the use in vehicles on public roads or other roads to which public road law applies. Any vehicle modifications using Garrett Performance Kits are AT YOUR OWN RESPONSIBILITY and AT YOUR OWN RISK. Only use Garrett Performance Kits in compliance with all applicable laws, regulations, and ordinances (including but not limited to emission, noise, operating license, performance, safety, and type-approval aspects). A vehicle modification using Garrett Performance Kits may particularly affect or void a vehicle’s warranty, operating license or type-approval. Moreover, only use Garrett Performance Kits in compliance with all applicable racing and racing track provisions. It is YOUR OWN RESPONSIBILITY AND RISK to ensure that your Garrett Performance Kit fits your vehicle and area of application. YOU MUST ENSURE LAWFUL AND SAFE OPERATIONS AT ANY TIME. You should particularly consult the owner’s manual and service manual of your vehicle. You should also contact your vehicle’s manufacturer to determine what effects modifications may have on important aspects such as safety, warranty, performance, etc. Only install and use Garrett Performance Kits if you have fully read and understood this important safety information and if you fully agree with the terms and conditions set forth therein.”
Key Product Features
- Direct-fit turbocharger upgrade for 2009–2023 Fiat 500 Abarth 1.4L I4
- Replacement for Garrett OEM PN: 55275806 (812812-5006S)
- Supports up to 250 HP | 186 kW
- +26% increased compressor flow compared to the OEM turbocharger
- Complete turbocharger assembly with calibrated actuator
- Fully machined turbo speed sensor port (sensor sold separately)
- Engineered to OEM durability and quality standards
Why Choose Garrett
Trust the name that’s been powering innovation for over 70 years. Garrett PowerMax™ turbochargers are engineered with OEM precision and designed to deliver improved performance and response for daily drivers and spirited driving alike. With more than 130 million vehicles powered globally, Garrett delivers performance, reliability, and innovation you can trust.
Complete Turbocharger Assembly
The Garrett PowerMax™ turbocharger for the Fiat 500 Abarth is engineered as a complete, direct-fit replacement for the factory unit. Each assembly includes a calibrated actuator and matches the original OEM footprint, allowing reuse of factory mounting locations, oil and coolant connections, and intake and exhaust interfaces for straightforward installation.
PowerMax Turbocharger vs OEM Turbocharger
The Garrett PowerMax™ turbocharger is engineered as an OEM-plus upgrade, designed to retain factory fitment while increasing airflow and overall performance capability compared to the original equipment turbocharger.
| Feature | OEM Turbocharger | Garrett PowerMax™ Turbocharger |
|---|---|---|
| Fitment | Factory-installed | Direct-fit OEM replacement |
| Installation | Factory | Bolt-on, no fabrication required |
| Airflow | OEM-rated | Increased compressor flow |
| Power Capability | OEM output | Supports higher power potential |
| Turbo Assembly | OEM configuration | Complete upgraded assembly |
| Actuator | OEM | Included, calibrated actuator |
| Drivability | OEM | OEM-like drivability retained |
| Reliability | OEM durability | OEM-engineered for increased performance |
Performance Capability Explained
The horsepower capability referenced for this turbocharger is based on laboratory compressor flow testing and represents the total performance capability of the turbocharger itself. Actual performance results will vary depending on vehicle configuration, supporting modifications, and ECU tuning or calibration.
Turbo Speed Monitoring
This PowerMax™ turbocharger features a fully machined turbo speed sensor port. Monitoring turbocharger shaft speed is recommended to help prevent overspeed and protect long-term durability, especially when operating at higher performance levels. Compatible speed sensor kits are available separately. Use PN 923586-0002 (G-Smart Bluetooth Module / App) or Speed Sensor Kit 781328-0001 (street kit w/ gauge) or 781328-0002 (pro kit w/o gauge)
FAQ
Where can I buy? Use the Garrett Dealer Locator to find an authorized retailer.
Will I need tuning? Performance results are highly dependent on your vehicle’s modifications and tuning/calibration. The horsepower values referenced are based on laboratory flow testing and represent total turbo capability. ECU calibration may be required depending on your setup and performance goals.
Garrett PowerMax Turbocharger – Fiat 500 Abarth 1.4L (2009–2023)
Compressor Map & Exhaust Flow Chart
Compressor Map
Garrett PowerMax Turbocharger – Fiat 500 Abarth 1.4L (2009–2023)
Performance Comparison Sheet
| Kit Part Number | Engine | Power | Model | Comp Ind | Comp Exd | Turb Ind | Turb Exd |
|---|---|---|---|---|---|---|---|
| 953223-5001S | 1.4L I4 | 250 BHP | 186 kW | MGT1446Z | 36.2 mm | 46 mm | 39 mm | 34 mm |







