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Catalytic Converter for Audi A4, Audi A6 and 1 more model – BM80021H
BM80021H — Homologated Diesel Cat - Image 2

BM80021H Diesel Cat for Audi A4, Audi A6 and 1 more model

£99.99 ex VAT (£119.99 inc VAT)

In stock — order by 4pm for next working day delivery, free to most UK addresses.

… Ordered afternoon one day and delivered perfectly the next. Fitted perfectly. Excellent service.Everything perfect. Cat was advertised at a decent price, website works very well, Ordered afternoon one day and delivered perfectly the next. Fitted perfectly. Excellent service.

George H., CatHive customer · October 2026

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Fitment guarantee: if a part we list for your vehicle doesn’t fit it, we collect it at our cost and send the right part or refund you in full.

14 days to change your mind: return the part unused, in its packaging.

PLEXPAD LTD trading as CatHive · Company number 14156842 · Registered office 124 City Road, London EC1V 2NX · 0207 870 3694

Getting it fitted

Any garage or exhaust centre can fit this part. Its fitting kit is included.

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Garages: open a Trade Account for trade prices.

Fits 3 vehicles (8 variants) — see the list or check yours before you buy.

Fitting kit included — no hidden extras (FK80021B)

Type Approved

2 years warranty

Seen this part cheaper? Our Price Promise beats it by half the difference.

SKU: BM80021H Category: Manufactured by BM Catalysts

Fits these vehicles (3 vehicles, 8 variants)

  • Audi
  • A4 1.9 Diesel TDi 110bhp (AFN AVG engine), 1/1995 to 9/2001, 2 Engine code AFN AVG
  • A4 1.9 Diesel TDi 90bhp (AHH engine), 1/1995 to 9/2001, Euro 2 Engine code AHH
  • A4 1.9 Diesel TDi 115bhp (AJM engine) Manual, 8/1998 to 9/2001, Euro 3 Engine code AJM
  • A6 1.9 Diesel Mk.2 TDi 110bhp (AFN AVG engine), 4/1997 to 10/2000, Euro 2 Engine code AFN AVG
  • A6 1.9 Diesel Mk.2 TDi 115bhp (AJM engine), 4/1997 to 5/2001, Euro 3 Engine code AJM
  • Volkswagen
  • Passat 1.9 Diesel TDi 110bhp (AFN; AVG engine), 2/1997 to 12/2000, Euro 3 Engine code AVG
  • Passat 1.9 Diesel TDi 90bhp (AHH engine), 5/1998 to 12/2000, Euro 3 Engine code AHH
  • Passat 1.9 Diesel TDi 115bhp (AJM engine) Manual, 10/1999 to 12/2001, Euro 3 Engine code AJM

Replacing a diesel catalytic converter? What causes a catalytic converter to fail, and what to fix first

Cross references

BM80021H replaces these part numbers. Search any of them in the box at the top of the page to land here again.

OE (manufacturer) part numbers
109917820095603B0131087AX3B0131087QX3B0131089AK3B0131089AV3B0131089AX3B0131089QX3B0131702AB3B0131702DV3B0131702DX3B013189AX3B013189BX3B0254200DX3B0254200HV3B0254200HX8B0254200DX8D0131089DV8D0131089DX8D0131089KV8D0131089KX8D0131089QV8D0131089QX8D0131702EH8D013189KX8D013189QX
Klarius
311508
Bosal
099-959
Walker
20191
EEC
AU8026T

Will this part fit my vehicle?

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Additional information

Weight 2.5 kg
Dimensions 436 mm