Details

• Brand:

  

• SKU:

  4K0-133-844-D

• Other Names:

  Filter

• Description:

  Maintain factory performance and protect your engine with the Genuine Audi Air Intake Duct, part number 4K0-133-844-D. This OEM air guide is precision-engineered to route cold, clean air into the intake system of high-performance Audi engines, including 2.9T and 4.0T twin-turbocharged powerplants.

  Whether you're restoring damaged ductwork or upgrading for reliability, this intake duct provides a direct fit with no modifications needed. Built from heat-resistant materials and designed to match Audi's factory specifications, it supports consistent throttle response, cooling, and optimal turbo function. Backed by a 1-year manufacturer warranty, it’s the trusted solution for Audi drivers demanding OEM-quality performance and airflow integrity.

  Compatible Vehicles:

  • Audi A6 2.9T / 4.0T

  • Audi A7 2.9T / 4.0T

  • Audi S6 / S7

  • Audi RS6 / RS7
    (Various years – confirm compatibility with your VIN or Audi dealer.)

  Features & Benefits:

  • Genuine OEM Audi Part – Designed for factory fit, finish, and airflow function

  • Direct Replacement – Matches original duct dimensions and mounting points

  • Engine Air Intake Duct – Feeds turbochargers with cooler, denser airflow

  • Built for Turbocharged Engines – Ideal for Audi 2.9T and 4.0T performance systems

  • Heat & Pressure Resistant – Durable under harsh engine bay conditions

  • Supports Engine Efficiency – Reduces intake temperatures and enhances throttle response

  • 1-Year Manufacturer Warranty – Backed by Audi OEM standards

  • Part Number – 4K0-133-844-D

  What You Get:
  1 × Genuine Audi Engine Air Intake Duct (Part #: 4K0-133-844-D)
  OEM packaging

• Notes: Included with air cleaner assembly.
• Replaces:

  4k0133844

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