| # | OEM | Part name | Offers |
|---|---|---|---|
| 1 | 3W0131690C | Pre-catalyst | 5$90–$485 |
| 2 | 3W0131690B | Pre-catalyst | 5$78–$909 |
| 3 | 3D0253144K | Bracket | |
| 4 | N90587201 | Hexagon collar nut self-locking | |
| 4 | N90587201 | Hexagon collar nut self-locking | |
| 4 | N90587201 | Hexagon collar nut self-locking | |
| 5 | N0403015 | Hexagon bolt | |
| 6 | N10295604 | setting screw | |
| 7 | 3W0253205 | spacer sleeve | |
| 7 | 3W0253205 | spacer sleeve | |
| 8 | 3W0254350A | Exhaust pipe with catalyst | 1$339 |
| 9 | 3W0254300A | Exhaust pipe with catalyst | 4$149–$421 |
| 10 | 3D0253205 | spacer sleeve | |
| 11 | 893253353 | Pressure spring | |
| (12) | 3W0254450B | catalyst with middle exhaust silencer | 1$250 |
| (12) | 3W0254450C | catalyst with middle exhaust silencer | 1$240 |
| 12 | 3W0254450A | catalyst with middle exhaust silencer | |
| 13 | 3W0254400A | catalyst with middle exhaust silencer | 2$250–$291 |
| 13 | 3W0254400B | catalyst with middle exhaust silencer | |
| 14 | 4A0253149B | Rubber bush | |
| 15 | 3W0253115B | Seal (Connection flange > turbocharger) | |
| 16 | 3W0253295 | strap | |
| 17 | N0110566 | nut, square | |
| 18 | N01167016 | Washer | |
| 19 | 3W0253144A | Pre-catalyst | |
| 20 | 8E0253115C | Seal | |
| 21 | 4E0253150 | spacer sleeve | |
| 22 | 3D0253115A | Seal | |
| 23 | N0195388 | bolt | |
| 24 | N90847601 | Hex collared bolt | |
| 25 | N10406103 | Washer | |
| 26 | 3W0253144 | Pre-catalyst |
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