Housing, Turbine, GTW3476R, T3 Undivided, .48 A/R, w/ T31 V-band

The GTW3476R T3 undivided turbine housing is engineered for enthusiasts and builders running the Garrett GTW3476R turbocharger who demand a precise, factory-correct fit with a modern narrow v-band exit. This housing is the right choice for anyone standardizing their turbo system around T31 v-band technology for cleaner installs and easier serviceability. Backed by Garrett’s engineering, it delivers the fitment integrity serious builds require.

Specifications

• Turbine Housing Configuration: T3 Undivided
• A/R Ratio: .48
• Exit Type: T31 (narrow) V-band
• Exit Outer Diameter: 3.10″
• Flange Design: Double stepped flange, 2.5″ / T31 V-Band
• Garrett P/N: GTW3476R

Performance & Application

This turbine housing is purpose-built for the GTW3476R platform, pairing an undivided T3 design with a .48 A/R for a balanced response and flow characteristic suited to serious performance builds. The T31 narrow v-band exit simplifies downpipe integration while maintaining a secure, leak-free seal at the 3.10″ OD flange interface. It’s designed for builders who need a direct, reliable housing solution without compromising on fitment precision.

What’s Included

• Stainless V-Band Clamp – 2.5″ / T31 for 3.10″ OD Flanges

Frequently Asked Questions

What A/R ratio does the GTW3476R turbine housing use?

This turbine housing is configured with a .48 A/R ratio.

Is this a divided or undivided turbine housing?

This is a T3 undivided turbine housing.

What type of exit does this housing feature?

It features a T31 (narrow) V-band exit designed for 3.10″ OD flanges.

Does this housing come with a clamp?

Yes, it includes a stainless V-Band Clamp sized 2.5″ / T31 for 3.10″ OD flanges.

For GTW3476R-based builds requiring a precise, v-band-equipped T3 undivided turbine housing, this component delivers exact factory fitment with the durability and clamp hardware needed for a secure installation.