Is the PowerMax MGT1446Z Right Turbo one turbo or two?

One. You receive the right turbocharger only, Garrett 955655-5001S, for the RZ34 Nissan Z. The left side is 955654-5001S, and the pair is sold as kit 959782-5001S. A single right turbo suits a repair or a partial replacement; the kit suits a planned upgrade of both banks.

Garrett lists the PowerMax MGT1446Z Right Turbo for the RZ34 Nissan Z with the 3.0L VR30DDTT, from the 2023 model year in North America. The Infiniti Q50 and Q60 share the engine family but use their own PowerMax part numbers, so Z owners should order this one.

How much horsepower is it rated for?

Garrett quotes up to 560 horsepower, or 412 kW, for the left and right PowerMax turbos together, based on laboratory compressor flow testing that represents turbo capability. It does not rate one turbo alone, and the result on a car depends on its configuration, modifications and calibration.

Do I need a tune after fitting it?

Garrett says ECU calibration may be required depending on the setup and goals. As a straight replacement on factory software it restores a working right turbo with some extra flow in reserve; making more power from it takes a calibration that raises boost and fueling targets.

Does it reuse the factory connections?

Yes. Because the PowerMax keeps the shape of the original right turbo, the installer works with the same studs, oil feed and return, coolant lines and intake and exhaust joints as on a factory replacement. Nothing needs adapting, and the actuator is already set by Garrett, so the job is a turbo swap rather than a conversion.

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Description

Garrett PowerMax MGT1446Z Right Turbo for RZ34 Nissan Z 3.0L VR30DDTT

Garrett’s PowerMax MGT1446Z Right Turbo is a single right-bank turbocharger for the 3.0L VR30DDTT in the RZ34 Nissan Z; the left turbo is not part of this listing. It arrives as a complete Garrett assembly with a calibrated actuator, built to the factory footprint and flowing 12 percent more on the compressor side than the turbo it replaces. Buy it to repair the right side of a Z, or to replace the right half of a PowerMax pair. If both factory turbos are being swapped for more power, the two-turbo kit is the simpler and better-matched route.

Features

Right-side MGT1446Z turbocharger with Garrett calibrated actuator
Built to the original footprint for factory mounting and connections
Compressor flow up 12 percent on the factory turbo
OEM-level durability and quality standards

Specifications

Garrett turbo model: MGT1446Z
Compressor inducer and exducer: 36mm and 46mm
Turbine inducer and exducer: 39mm and 36mm
Compressor flow over factory: 12 percent more
Actuator: Calibrated by Garrett

Applications

Garrett lists the PowerMax MGT1446Z Right Turbo for the US-market Z:

Nissan Z: RZ34 | 2023-present | 3.0L VR30DDTT Twin-Turbo V6

Notes

Right turbo only; the Nissan Z left turbo is separate, and the pair is the Nissan Z PowerMax turbo kit
Q50 and Q60 owners need the Q50 and Q60 right turbo
ECU calibration may be required depending on the setup, according to Garrett

Frequently Asked Questions

Is the PowerMax MGT1446Z Right Turbo one turbo or two? One. You receive the right turbocharger only, Garrett 955655-5001S, for the RZ34 Nissan Z. The left side is 955654-5001S, and the pair is sold as kit 959782-5001S. A single right turbo suits a repair or a partial replacement; the kit suits a planned upgrade of both banks.
Will it fit my Z? Garrett lists the PowerMax MGT1446Z Right Turbo for the RZ34 Nissan Z with the 3.0L VR30DDTT, from the 2023 model year in North America. The Infiniti Q50 and Q60 share the engine family but use their own PowerMax part numbers, so Z owners should order this one.
How much horsepower is it rated for? Garrett quotes up to 560 horsepower, or 412 kW, for the left and right PowerMax turbos together, based on laboratory compressor flow testing that represents turbo capability. It does not rate one turbo alone, and the result on a car depends on its configuration, modifications and calibration.
Do I need a tune after fitting it? Garrett says ECU calibration may be required depending on the setup and goals. As a straight replacement on factory software it restores a working right turbo with some extra flow in reserve; making more power from it takes a calibration that raises boost and fueling targets.
Does it reuse the factory connections? Yes. Because the PowerMax keeps the shape of the original right turbo, the installer works with the same studs, oil feed and return, coolant lines and intake and exhaust joints as on a factory replacement. Nothing needs adapting, and the actuator is already set by Garrett, so the job is a turbo swap rather than a conversion.

About Garrett

Garrett Motion has turbocharged engines since 1955, when its T15 was matched to the Caterpillar D9 crawler, and in 1962 a Garrett turbocharger went into the Oldsmobile Jetfire Turbo Rocket, the first turbocharged production car. Garrett has supplied turbocharging in Formula 1 with Scuderia Ferrari, the FIA World Rally Championship and the 24 Hours of Le Mans. It has operated as a stand-alone company since 2018, and its technology is fitted to around 150 million vehicles worldwide.

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BP Pricing Difference

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Garrett PowerMax MGT1446Z Right Turbo for RZ34 Nissan Z 3.0L VR30DDTT [955655-5001S]

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Garrett PowerMax MGT1446Z Right Turbo for RZ34 Nissan Z 3.0L VR30DDTT

Features

Specifications

Applications

Notes

Frequently Asked Questions

About Garrett

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