This is a dedicated T3 undivided turbine housing engineered specifically for the Garrett GTW3684R turbocharger, built for enthusiasts and builders who need precise, reliable exhaust housing geometry for their GTW3684 setup. Its 5-bolt Ford-style exit and .63 A/R configuration make it a purpose-built solution rather than a generic fit, ensuring the turbine side of your build matches Garrett’s engineering intent. It’s the right choice for anyone running a GTW3684 turbo who needs a compatible replacement or upgrade housing without guessing on fitment.
Specifications
- Turbine Housing Type: T3 undivided
- A/R Ratio: .63
- Exit Configuration: 5 Bolt (Ford Style) Exit
- Compatible Turbo Model: GTW3684R
- Bearing Compatibility: Fits both Ball Bearing and Journal Bearing GTW3684 turbo models
Performance & Application
This turbine housing is designed exclusively for the GTW3684R turbocharger platform, serving as the exhaust-side component that pairs with either ball bearing or journal bearing GTW3684 turbo models. The undivided T3 design and .63 A/R rating define the exhaust flow characteristics for this specific turbo, making it a critical component for builders assembling or servicing a GTW3684-based turbo system. Its 5-bolt Ford-style exit ensures proper alignment with Ford-style downpipe and exhaust configurations.
Compatibility & Fitment
- Fits GTW3684R Ball Bearing turbo models
- Fits GTW3684R Journal Bearing turbo models
Frequently Asked Questions
- What is the A/R ratio of this turbine housing?
- This turbine housing features a .63 A/R ratio.
- Is this turbine housing compatible with ball bearing or journal bearing GTW3684 turbos?
- This housing fits both Ball Bearing and Journal Bearing GTW3684 turbo models.
- What type of exit does this turbine housing have?
- It features a 5-bolt Ford-style exit configuration.
- Is this a divided or undivided turbine housing?
- This is a T3 undivided turbine housing.
For builders running a GTW3684R turbocharger, this T3 undivided housing with its Ford-style 5-bolt exit delivers the exact fitment and flow specification Garrett engineered for the platform, regardless of bearing type.

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