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Catalytic Converter for SEAT Arosa, Volkswagen Lupo and 1 more model – BM90821H
BM90821H — Homologated Petrol Cat - Image 2

BM90821H Petrol Cat for SEAT Arosa, Volkswagen Lupo and 1 more model

£86.66 ex VAT (£103.99 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 6 vehicles (8 variants) — see the list or check yours before you buy.

Fitting kit included — no hidden extras (FK90821C)

Type Approved

2 years warranty

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

SKU: BM90821H Category: Manufactured by BM Catalysts

Fits these vehicles (6 vehicles, 8 variants)

  • SEAT
  • Arosa 1.0 Petrol 8v (ALD engine) underfloor cat, 8/1999 to 12/2004, 4 Engine code ALD
  • Arosa 1.0 Petrol 8v (AUC engine; manual only) underfloor cat, 7/2000 to 6/2004, Euro 4 Engine code AUC
  • Arosa 1.4 Petrol (AKK engine) underfloor cat, 7/1999 to 10/2000, Euro 4 Engine code AKK
  • Arosa 1.4 Petrol 8v (AUD eng; automatic only) underfloor cat, 12/2000 to 4/2005, Euro 4 Engine code AUD
  • Volkswagen
  • Lupo 1.0 Petrol (ALD; ANV; AUC eng) underfloor cat, 5/1999 to 8/2005, Euro 4 Engine code AUC
  • Lupo 1.4 Petrol 8v (AUD eng) underfloor cat, 9/2000 to 8/2005, Euro 4 Engine code AUD
  • Polo 1.0 Petrol ALD; AUC eng (OBD & non OBD) underfloor cat, 10/1999 to 10/2001, Euro 4 Engine code AUC
  • Polo 1.4 Petrol 8v Hatch (AUD; AKK; AKP eng; OBD & non OBD), 10/1999 to 10/2001, Euro 4 Engine code AKP

Engine management light with code P0420? What to check before replacing the catalytic converter

Cross references

BM90821H 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
12597606N0253058NV6N0253058NX6N0253058PX6N025358NX6N025358PX6X0253058CX6X0253058DV6X0253058DX6X0253058EV6X0253058EX6X0253058MX6X025358DX
Klarius
321372321389
Bosal
099-279099-546
Walker
20601
EEC
VK6006T

Will this part fit my vehicle?

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Additional information

Weight 4 kg
Dimensions 1145 mm