Turbosmart IWG75 Wastegate Actuator
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Turbosmart IWG75 Wastegate Actuator - Fiat 124 Spider / Abarth 124 Spider (348) / Fiat 500X (334) / 500L (330)
The Turbosmart IWG75 is an upgraded internal wastegate actuator for the factory turbocharger on Fiat's 1.4 MultiAir turbo engine, as fitted to the Fiat and Abarth 124 Spider (348), Fiat 500X (334) and 500L (330). A larger effective diaphragm area and revised springs give it a higher working ratio than the factory actuator, so peak boost arrives earlier in the rev range and is held for longer, giving a broader boost and torque curve.
Note: The 7psi version is a direct replacement that works with the factory calibration; other springs require supporting modifications or ECU tuning/recalibration. Installation by a professional is recommended.
What's Included
- IWG75 wastegate actuator
- Spring pre-fitted to the listed pressure
- Fasteners and swivel hose barb
Need help confirming fitment? Contact our team at sales@chicaneaustralia.com.au.
Vehicle Compatibility
| Make | Model | Chassis | Engine |
|---|---|---|---|
| Fiat | 124 Spider | 348 | 1.4L MultiAir Turbo |
| Abarth | 124 Spider | 348 | 1.4L MultiAir Turbo |
| Fiat | 500X (MultiAir turbo) | 334 | 1.4L MultiAir Turbo |
| Fiat | 500L (MultiAir turbo) | 330 | 1.4L MultiAir Turbo |
Technical Specifications
| Spec | Value |
|---|---|
| Brand | Turbosmart |
| Series | IWG75 |
| Diaphragm | Silicone Nomex |
| Construction | Billet aluminium |
| Rod and clevis | Stainless steel |
| Spring adjustment | Turbosmart locking collar |
| Optional spring range | 3 - 26psi |
| Turbo | Factory turbocharger |
| Part numbers | TS-0629-1072 (7psi), TS-0629-1102 (10psi) |
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