Skip to main content
Genuine OEM & performance parts — ships to United States
Easy 30-day returnsTalk to a specialist
Log in

Target · Diagram

Find this reference above

Number 48 marks the part’s position in the exploded view (Audi A8 (2017-2025)).

Product overview

Genuine OEM Audi Catalytic Converter, part number 4N0254450M. Fits Audi A8 (2017-2025). Shown as position 48 in the fuel, exhaust and cooling diagram 838253760. Equipment code: K8B.

Catalogue entry: CATALYST.

Fitted with: N91130802 COLLAR NUT, 4N4254451 CATALYST, 8W0253115H SEAL, 8W0253141G CLIP.

Technical details

Category
Exhaust
Diagram sheet
Audi 838253760, position 48
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

  • K8B

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.

Why buy from WW Spares?

  • ✓ Genuine OEM inventory sourced directly from factory networks
  • ✓ Fitment support from workshop-seasoned parts specialists
  • ✓ Global logistics with customs-ready documentation

Need help confirming compatibility? Talk to a specialist

Parts diagram & fitment

1 vehicle

Catalytic Converter — locate 4N0254450M Audi Catalytic Converter in the official exploded view and explore the surrounding assembly.

Parts in this assembly39
Vehicle fitment table1

Europe (1)

VehicleYearsPos.QtyPR
Audi A8L2017-2022481K8B

Diagrams & fitment data powered by oemdiagrams.com

4N0254450M Audi Catalytic Converter is fitted on: Audi A8L 2017-2022.