Ford Fiesta ST Wastegate Actuator - Turbosmart - 4inHg V-IWG - `17-`23. This Turbosmart direct-fit actuator is designed for the Mk8 Fiesta ST (2017–2023) as a replacement or upgrade to the factory unit, offering precise vacuum-referenced control for the turbo wastegate.

Built to Turbosmart standards, this 4inHg V-IWG actuator provides consistent response under varying engine vacuum conditions and is engineered to match the mounting and linkage points of the stock actuator for straightforward installation. It is intended for enthusiasts looking to maintain reliable boost control while customizing turbo behavior. Use it as a like-for-like replacement or as part of a tuned setup where accurate wastegate actuation is required.

Features

• Direct fit for 2017–2023 Ford Fiesta ST (Mk8)
• 4 inHg vacuum reference for predictable actuation
• Manufactured by Turbosmart, designed for durability and repeatability
• Compatible with stock linkage and mounting for straightforward installation

If you have questions about fitment or compatibility with your modifications, give us a call — our product specialists can help. We have two locations offering installation and customization services: Austin, Texas and the Los Angeles, California area. Call us at 512-982-9393 (TX) or 562-981-6800 (CA). If you are considering purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov