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Number 1 marks the part’s position in the exploded view (Audi A6 (2018-2025)).
Product overview
Genuine OEM Audi Catalytic Converter, part number 4K0254251BX. Fits Audi A6 (2018-2025), Audi A7 Sportback (2018-2025), Audi A8 (2017-2025). Shown as position 1 in the fuel, exhaust and cooling diagram 896253530. Equipment code: T4H.
Catalogue entry: CATALYST.
Fitted with: 8W0254253T CATALYST, 8W0254253TX CATALYST, 4K0254251B CATALYST, 8W0253115D SEAL, N91130802 COLLAR NUT, 8W0253115J SEAL, 8W0253115P SEAL, 5Q0253115C SEAL, 8W0253115Q SEAL, 8W0253725K CLAMP.
Technical details
- Category
- Exhaust
- Diagram sheet
- Audi 896253530, position 1
- ETKA group
- 2 / 53 (253)
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- T4H
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
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Parts diagram & fitment
3 vehiclesCatalytic Converter — locate 4K0254251BX Audi Catalytic Converter in the official exploded view and explore the surrounding assembly.
Parts in this assembly45
- 1Catalyst 4K0254251B
- 1Catalyst 8W0254253T
- 1Catalyst 8W0254253TX
- 3Filter 8W0254800G
- 5Exh Pipe 4K0253300L
- 5Exh Pipe 4K0253300P
- 10Screw N10672001
- 12Washer N01167026
- 13Press Spring 893253353
- 14Strap 4G0253295A
- 14Strap 8K0253295
- 15Bush 4A0253149B
- 16Sleeve 4B0253205C
- 17Pipe 4B0253205D
- 18Seal 8W0253115D
- 19Collar Nut N91130802
- 21Pipe 8W0131205F
- 22Pipe 8W0131205C
- 23Terminal 893971847F
- 24Hose 06N131850B
- 27Clamp N90686704
- 29Bracket 06N971502B
- 30Bolt N91096701
- 31Bolt N91071702
- 32Plate 06L253243L
- 32Plate 06L253243R
- 33Collar Nut N01508210
- 34Bolt N10653201
- 35Bracket 06L121233A
- 36Bolt N91096801
- 37Adapter 06L131166A
- 37Adapter 06L131166B
- 38Bolt N10405604
- 38Screw N91136101
- 39Screw N10703001
- 41Seal 8W0253115J
- 41Seal 8W0253115P
- 43Bracket 4M0253099
- 44Screw N10736701
- 45Part 4H0821213
- 48Seal 06L253039
- 49Collar Nut WHT007210
- 50Seal 5Q0253115C
- 50Seal 8W0253115Q
- 51Clamp 8W0253725K
Vehicle fitment table3
Europe (3)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| audi a6 2.0 | 2018- | 1 | 1 | T4H | |
| Audi A7 Sportback | 2018- | 1 | 1 | T4H | |
| Audi A8L | 2017-2022 | 1 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
4K0254251BX Audi Catalytic Converter is fitted on: audi a6 2.0 2018-; Audi A7 Sportback 2018-; Audi A8L 2017-2022.