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APR 02-05 Audi A4/A4 Quattro (B6) K04-15 Turbo System - 1.8T Longitudinal - w/o Injectors

APR · New

APR 02-05 Audi A4/A4 Quattro (B6) K04-15 Turbo System - 1.8T Longitudinal - w/o Injectors

MPN T2100004 · Store SKU aprT2100004

$3,262.95
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Supplier stock checked 11/8/2026, 2:58:27 AM UTC. Adding a part does not reserve it.

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Product details

APR is now proud to release our K04 upgrade kit for the B6 Audi A4 1.8T. Our kit includes the K04 turbo, the compressor inlet O-ring, three turbo outlet studs, one manifold to turbo gasket, four Bosch fuel injectors, and one turbo to cat gasket. This kit is a straight forward turbo swap that makes a big difference in the power output of the car. This kit makes solid gains in both horsepower and torque. With no other mods than an exhaust, the kit made 247hp/286lb-ft on 93 octane gas. The exhaust is not required. This kit includes software. Injectors sold separately. APR K04-15 Turbo System - 1.8T Longitudinal - B6 A4 w/o Injectors Injector factory part number: 06A906031J Injector bosch part number: 02801558921 Fits Audi A4 02-06, A4 Quattro 02-05

Manufacturer fitment & guides

Check T2100004 against the manufacturer’s application information below.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • Emissions acknowledgement required before purchase.
  • California Proposition 65: Y

Manufacturer documents

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