Garrett Supercore – G-Series II G42-1325, P/N: 938339-5002S

The Garrett Supercore G-Series II G42-1325 represents the next evolution of the proven G-Series platform, engineered for performance enthusiasts and tuners seeking a direct upgrade path from Gen I hardware. Built with advanced compressor aero technology, this Supercore delivers increased flow and efficiency for builders who demand more from their turbo system without starting from scratch. Whether you’re upgrading an existing G-Series turbo or building a new setup, this Supercore gives you the flexibility to configure your system exactly how you need it.

Specifications

• Model Designation: G-Series II G42-1325
• Garrett P/N: 938339-5002S
• Turbine Wheel Material: Mar-M alloy
• Turbine Wheel Max Temperature Rating: 1050° C
• Turbine Housing Material: Stainless steel
• Turbine Housing Max Temperature Rating: 1050° C
• Rotation Configurations: Standard and reverse rotation available
• Compressor Flow Improvement: Up to 10% higher compressor flow compared to G-Series Gen I at peak pressure ratio and peak turbo RPM
• Compatible Speed Sensor Kit: ATP-ACS-032

Performance & Application

This Supercore is designed as a direct upgrade path for existing Gen I G-Series customers, available as a complete turbo unit, supercore, or standalone CHRA purchase. It

Downloads

• Garrett-G-Series-II-Product Flyer G40 42 45