Air and Fuel Superchargers, Turbochargers and Components

BorgWarner

K04 Turbocharger, Left-Side Mount

$2,607.83

SKU: 53049880025 / 53049880026

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In Stock
Ships by Aug 4
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30 Days Return
INSTALL DIFFICULTY
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Description

The BorgWarner Turbocharger is a K04 upgrade specifically engineered for the Audi RS4, offering a performance enhancement to achieve up to 380 HP. Constructed with a precision-cast turbine housing and a robust billet compressor, this turbocharger is built to withstand intense heat and pressure, ensuring durability under demanding conditions. This specific unit is designed for the left-side K04 mount, allowing for a seamless swap as a performance upgrade. Key specifications include a power range of 280-380 HP, the K04 turbo model, and compatibility specifically with the Audi RS4. The OEM part number for reference is 078145701M.

MIA's Description

The BorgWarner Turbocharger is a K04 upgrade designed for the Audi RS4. This high-flow unit can push the vehicle to 380 HP, providing rapid boost and responsive power. It features a precision-cast turbine housing and a robust billet compressor for heat and pressure resistance. This turbocharger is for the left-side K04 mount.

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Specifications

BrandBorgWarner
Part Number53049880025 / 53049880026
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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