A4 Mk3
| Air cleaner - exploded view |

| 1 - | Hose clip |
| 2 - | Air hose |
| q | To throttle valve module -J338- |
| q | Pay attention to marking when installing (arrow points towards bolt of throttle valve module -J338-) |
| 3 - | Air filter element |
| q | Always use genuine part for air filter element |
| q | Maintenance intervals → Booklet812 and → Booklet818 |
| q | Removing and installing → Chapter |
| q | Also clean snow screen (if fitted) |
| 4 - | Air duct |
| q | Clipped into air cleaner (top section) |
| q | Clean dirt and leaves out of air duct |
| 5 - | Air duct |
| q | Clean dirt and leaves out of air duct |
| 6 - | Air duct |
| q | To lock carrier |
| q | Clean dirt and leaves out of air duct |
| 7 - | Rubber grommet |
| 8 - | Water drain hose |
| q | Clean any leaves and dirt out of water drain hose |
| 9 - | Guide for water drain hose |
| 10 - | Hot air intake (countries with cold climates only) |
| q | Slide hot air intake into air cleaner as far as stop; then turn clockwise until it engages noticeably |
| 11 - | Air cleaner (bottom section) |
| q | Clean any salt residue, leaves and dirt out of air cleaner (bottom section) |
| q | Check for dirt in water drain and clean as required |
| 12 - | Retainer for air cleaner (bottom section) |
| 13 - | Intake hose for secondary air pump |
| q | Not installed in all vehicles |
| 14 - | Variable intake manifold change-over valve -N335- |
| q | Not installed in all vehicles |
| q | Valve installed: without function |
| 15 - | Bolt |
| q | For variable intake manifold change-over valve -N335- |
| 16 - | Bolt |
| 17 - | Air cleaner (top section) |
| q | Clean any salt residue, leaves and dirt out of air cleaner (top section) |
| 18 - | Bolt |
| q | For securing air filter element |
