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Air and Fuel› Superchargers, Turbochargers and Components

BorgWarner

BorgWarner Turbocharger SX K04 Audi RS4 Upgrade (Right)

$2,619.13 $1,787.82 Save $831.31

SKU: B00E 53049880026

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

This is a right-side turbocharger, designed as an upgrade for the Audi RS4 2.7T engine. It offers enhanced performance with a claimed 380 HP.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBorgWarner
Part NumberB00E 53049880026

Videos

Tech Tips - KO4 Turbo

Tech Tips - KO4 Turbo
Are KO4 Turbos the best choice?

Are KO4 Turbos the best choice?
K03 vs K03s & K04 Performance Tuning [Upgrade Tips]

K03 vs K03s & K04 Performance Tuning [Upgrade Tips]
Borgwarner K03/K04 Actuator Installation.

Borgwarner K03/K04 Actuator Installation.
Maxspeedingrods k04 023 review

Maxspeedingrods k04 023 review
K04 Turbo Rebuild | BF Garage

K04 Turbo Rebuild | BF Garage
Turbocharger Borg Warner K04-023 from Audi TT 8N 1.8T BAM.

Turbocharger Borg Warner K04-023 from Audi TT 8N 1.8T BAM.
K04 Turbo Umbau Borg Warner KKK K03 und K04 und K16 Lader im Vergleich

K04 Turbo Umbau Borg Warner KKK K03 und K04 und K16 Lader im Vergleich

Buy with Confidence

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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