Garrett PowerMax Turbo Upgrade suitable for Holden Colorado RG and Holden Colorado 7 2.8L Duramax 2014-2019
Garrett PowerMax turbocharger upgrade suitable for the 2.8L Duramax diesel in the Holden Colorado RG and Holden Colorado 7. It is a direct drop-in stage 1 upgrade that keeps the OEM installation, flows up to 20% more than the OEM turbo and supports up to 160kW (215 BHP). The variable turbine geometry is built to factory specification and is controlled by the included module. The compressor wheel is forged, fully machined and lightweight.
🚗 Suitable for:
- Holden Colorado RG 2.8L Duramax diesel (2014-2019)
- Holden Colorado 7 2.8L Duramax diesel (2014-2019)
📦 What’s Included:
- 1x Garrett PowerMax turbocharger (part number 892179-5001S) with control module
🔧 Fitment Details:
- Direct drop-in replacement. Outline interchangeable with the factory turbo for a perfect fit
- Interchangeable with OE part numbers 814067-0001 to 814067-0005
- We recommend a turbo fitting kit and new gaskets
- Maximum allowable turbo speed is 213,000rpm. Garrett recommend fitting a speed sensor to protect the turbo from overspeed
⚙️ Why Choose Garrett PowerMax:
- Up to 20% more flow than the OEM turbo
- Forged, fully machined compressor wheel with advanced aerodynamics
- Variable turbine geometry to factory specification, with the control module included
- Fully machined turbo speed sensor port for monitoring shaft speed. Use Garrett PN 923586-0002 (G-Smart Bluetooth module and app), or speed sensor kit 781328-0001 (street kit with gauge) or 781328-0002 (pro kit without gauge), sold separately
📐 Specifications:
- Turbo model: GTB1752V
- Compressor wheel: 42mm inducer
- Power capability: up to 160kW (215 BHP)
📄 Garrett Product Flyer:
See Garrett’s own flyer for this turbo, with the compressor map against the stock turbo, the OEM part numbers it replaces and the full specifications.
View the Garrett PowerMax 2.8L flyer, page 1
View the Garrett PowerMax 2.8L flyer, page 2 (specifications and compressor map)
❓ FAQs:
Q: Is this a direct bolt-on?
A: Yes. It matches the factory turbo’s outline, so it fits in place of the original with no fabrication.
Q: Do I need a tune?
A: Garrett’s power figure is the turbo’s capability from flow testing, and real results depend on your vehicle’s modifications and tune. We recommend dyno tuning for best results.
Q: Is this the same as the standard Garrett replacement turbo?
A: No. The standard replacement is Garrett part number 901994-5001S. This PowerMax is the upgrade, part number 892179-5001S, with up to 20% more flow.











There are no reviews yet.