Garrett GTW3476R (aka GTW5857R) – 58mm BB Turbo, .82 A/R, T3 Inlet, Welded GT 3″ V-Band Outlet

The Garrett GTW3476R is a 58mm ball bearing turbocharger engineered for serious performance builds that demand high-flow capability without sacrificing response. Built on Garrett’s GTW platform, this turbo is positioned as Garrett’s performance-driven alternative to the popular 5858-size turbo class. It’s the right choice for enthusiasts who want proven Garrett engineering paired with strong flow potential at a competitive price point.

Specifications

• Compressor Wheel Inducer: 58.3mm
• Compressor Wheel Exducer: 76.4mm
• Compressor Wheel Trim: 58
• Turbine Wheel Inducer: 65.0mm
• Turbine Wheel Exducer: 56.6mm
• Turbine Wheel Trim: 76
• Bearing Type: Ball Bearing
• A/R Ratio: .82
• Turbine Inlet: T3 Undivided Inlet
• Turbine Outlet: Welded GT 3″ V-Band Outlet
• HP Potential: 700HP potential flow
• Also Known As: GTW5857R

Performance & Application

The GTW3476R is built for enthusiasts pushing toward serious horsepower targets who need a turbo capable of high-flow performance without the compromises of older, less refined designs. Its ball bearing core delivers strong response characteristics suited to demanding performance builds. The .82 A/R turbine housing with a T3 undivided inlet configuration and welded 3″ V-band outlet is tailored for setups requiring efficient exhaust flow and simplified turbine housing installation. This turbo is best suited for builds targeting elevated horsepower levels where a proven Garrett GTW-series solution is required.

Frequently Asked Questions

What HP can the GTW3476R support?

The GTW3476R offers 700HP potential flow.

Is this a ball bearing or journal bearing turbo?

The GTW3476R is a 58mm ball bearing turbo.

What compressor inlet and turbine outlet does this turbo use?

It features a T3 Undivided Inlet along with a Welded GT 3″ V-Band Outlet turbine housing.

What is the A/R ratio of the GTW3476R?

This turbo comes with a .82 A/R turbine housing.

What does GTW5857R refer to?

GTW5857R is an alternate name for the Garrett GTW3476R.

For builds that demand proven Garrett ball bearing performance with high-flow potential and efficient V-band outlet plumbing, the GTW3476R stands as a smart, capable choice.