VAG Pre-Catalyst
| Manufacturer | Part Number | Description |
|---|---|---|
| VAG | 1K0.254.301 X | Pre-Catalyst |
| VAG | 1K0.254.302 SX | Pre-Catalyst |
| VAG | 1K0.254.303 NX | Pre-Catalyst |
| VAG | 6Q0254200CX | Catalyst Converter; Pre-Catalyst |
| VAG | 6Q0254200EX | Catalyst Converter; Pre-Catalyst |
| VAG | 8E0254200NX | Pre-Catalyst |