Air filter housing AUDI A4 2003

OEM: 03G133837

Disassembled car photo

Engine running

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Details for this exact part

Code
03G133837
OEM
03G133837
Condition
Used
Availability
1 in stock - ready to ship
Make, model
AUDI A4 2001-2004
Year
2002
Engine
Diesel 1.9TDI 96KW - AWX
VIN
WAUZZZ8EX2A021885

What is this part and why does it matter?

The air filter housing holds the air filter element and connects to the intake pipework, forming the main body of the intake filtration system.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

  • Cracks or deformation in the housing
  • Air filter not seating properly, letting unfiltered air bypass
  • Rattling noise from a loose or damaged housing

Installation information

Bolts or clips into the engine bay — check the filter element seats correctly and all pipe connections are secure.

Frequently asked questions

If the housing is cracked or the filter doesn’t seat properly, unfiltered air can bypass the element entirely, letting dirt and debris reach the engine.

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