| Group | Description |
| 120 0 | fuel system / AdBlue system |
| 120 1 | fuel system 220 L |
| 120 2 | fuel system 300 L |
| 120 3 | fuel system 400 L |
| 120 4 | fuel system accessory |
| 129 0 | fuel lines and fittings |
| 151 0 | exhaust system. transverse |
| 151 1 | exhaust system. transverse ahead of front axle |
| 152 0 | exhaust system upswept |
| 152 1 | exhaust system raised |
| 159 0 | operating mechanism for exhaust brake |
Vehicle identification
| Type | L 509 00 |
|---|---|
| Pet | 34.79 |
| Description | 26/32/33/34.281/291/321/331/361 DF |
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