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Air and Fuel› Superchargers, Turbochargers and Components

Garrett

G42-1200 Ball Bearing Turbocharger

$4,308.90 $3,386.82 Save $922.08

SKU: 879779-5010S

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Overview

The Garrett G42-1200 is a ball-bearing turbocharger designed for high-performance applications. It features a 73mm compressor wheel inducer and a divided T4 V-band turbine housing with a 1.01 A/R.

This turbocharger is capable of supporting 475 to 1200 horsepower and is suitable for engine platforms ranging from 2.0 to 7.0 liters. It utilizes a ten-blade, forged, fully-machined G Series compressor wheel for efficient airflow and a low-inertia design for rapid boost response. The turbine aero wheel is engineered with Inconel super alloy to withstand temperatures up to 950°C.
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The Garrett G42-1200 turbo assembly kit is engineered to provide a quick-spooling, high-horsepower solution for performance vehicles with engine displacements from 2.0 to 7.0 liters. It features a robust ball-bearing center cartridge for durability and reduced friction. The turbine side boasts a new aero wheel design that offers 10% more flow capacity compared to the previous GTX42 model, with a peak efficiency of 77% at a 1.01 A/R. The turbine wheel itself is constructed from Inconel super alloy, enabling it to withstand extreme operating temperatures of up to 950°C. This kit includes the divided T4 V-band turbine housing with a 1.01 A/R. Key specifications include a 73mm compressor wheel inducer, 91mm exducer, and a 65 trim. The turbine wheel specifications are an 82mm inducer and a 75mm exducer with an 84 trim. Optional installation hardware such as oil feed and drain flanges, V-band compressor outlet and downpipe flanges, and T4 turbine inlet gaskets are available separately to complete the installation.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandGarrett
Part Number879779-5010S
CategoryAir and Fuel
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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