The Garrett GT3076R CHRA is the heart of one of the most proven mid-range boost turbochargers in the sportsman and street performance world. Built for enthusiasts rebuilding or upgrading an existing GT3076R-based turbo, this core unit delivers the wheel combination that made this platform a favorite for responsive, strong-pulling power delivery. It’s the right choice for anyone needing a direct, spec-correct replacement core rather than a full turbo assembly.

Specifications

• Compressor Wheel Size: 76mm
• Compressor Wheel Trim: 56 trim
• Turbine Wheel Size: 60mm (full size)
• Compatible Turbo P/N: 700177-5007S
• Compatible Turbo P/N: 700177-0007
• Compatible Turbo P/N: 700382-5012S
• Compatible Turbo P/N: 836028-5003S
• Also Known As: GT30R
• Alternate P/N: 700177-5011 (GT3076R-WG CHRA)
• Alternate P/N: 700177-5010 (GT3076R-WG-C10 CHRA)

Performance & Application

The GT3076R CHRA is built around a full-size 60mm turbine wheel paired with a 76mm, 56 trim compressor wheel, a combination engineered to deliver potent mid-range boost. This wheel pairing is well suited to enthusiasts looking for strong response without sacrificing top-end pull, making it a proven choice for street and sportsman-level performance builds. It is designed as a direct core replacement for existing GT3076R-based turbochargers rather than a standalone unit.

Compatibility & Fitment

• Fits turbo housings with P/N 700177-5007S
• Fits turbo housings with P/N 700177-0007
• Fits turbo housings with P/N 700382-5012S
• Fits turbo housings with P/N 836028-5003S
• Available for the special alternate GT3076R-WG turbo configuration, CHRA P/N 700177-5011
• Available for the special alternate GT3076R-WG-C10 turbo configuration, CHRA P/N 700177-5010

Frequently Asked Questions

What compressor and turbine wheel sizes does the GT3076R CHRA use?

It uses a full-size 60mm turbine wheel and a 76mm compressor wheel with a 56 trim.

What does GT30R refer to?

GT30R is an alternate name for the Garrett GT3076R.

What turbo P/Ns is this CHRA compatible with?

It is compatible with turbo housings bearing P/N 700177-5007S, 700177-0007, 700382-5012S, and 836028-5003S.

Is there a wastegated version of this CHRA?

Yes, there are special alternate versions for the GT3076R-WG (P/N 700177-5011) and GT3076R-WG-C10 (P/N 700177-5010) turbo configurations.

For rebuilders and upgraders working with a GT3076R-based turbocharger, this CHRA delivers the exact wheel specification that defines the platform’s performance character, backed by clearly matched housing compatibility for a correct, confident install.