This is the OEM Garrett wastegate actuator assembly found on the S15 SR20DET T28 ball bearing turbocharger, engineered for enthusiasts seeking a direct-fit replacement or upgrade component for their factory boost control setup. Built to Garrett’s original specification, it delivers consistent, reliable wastegate actuation for those maintaining or restoring their T28 ball bearing turbo system. This is the correct choice for anyone who needs a proven, factory-matched actuator rather than a generic aftermarket substitute.

Specifications

• Boost Rating: 6-7 psi
• Bracket Mounting: Integrated fixed 2-bolt bracket
• Compressor Housing Inlet: Flanged inlet
• Compressor Housing Outlet: Flanged 3-bolt outlet
• Bearing Type: Ball Bearing
• Turbo Frame: T28

Performance & Application

This actuator is designed specifically for the S15 SR20DET T28 ball bearing turbocharger platform, controlling wastegate function to maintain factory-calibrated boost pressure. It bolts directly to the side of the compressor housing via its integrated bracket, making installation straightforward for those working on compatible T28 ball bearing units. This component is best suited for owners performing turbo rebuilds, replacements, or troubleshooting boost control issues on their SR20DET setup who require an exact factory-style fit.

Compatibility & Fitment

• S15 SR20DET T28 Ball Bearing turbocharger
• Compressor housings with flanged inlet and 3-bolt flanged outlet configuration

Frequently Asked Questions

What boost pressure does this actuator control?

This actuator is rated for 6-7 psi of boost.

Is this a ball bearing or journal bearing turbo actuator?

This actuator is the stock unit found on the S15 SR20DET T28 Ball Bearing turbocharger.

How does this actuator mount to the turbo?

The actuator comes integrated with a fixed 2-bolt bracket that bolts up to the side of the compressor housing.

What compressor housing style is required for fitment?

The compressor housing style should have a flanged inlet and outlet, specifically a flanged inlet and a 3-bolt flanged outlet.

For S15 SR20DET T28 ball bearing turbo owners who demand an exact factory-correct fit, this Garrett actuator assembly delivers the precise boost control and mounting compatibility your build requires.