Mazda Petrol

KN21

Mazda petrol catalytic converter

Ceramic catalytic converter.

We buy the KN21 Mazda catalytic converter in various conditions, even with a damaged casing. Prices track live precious-metal markets, so send us a photo or WhatsApp the code for today’s price.

Converter details

Primary code
KN21
Also stamped
3424
Make
Mazda (OEM)
Fuel
Petrol

Vehicles this may fit

We’re still compiling vehicle fitment for KN21. Know which car it came off? Add it to your quote and we’ll price it all the same.

Questions about KN21

How much is a KN21 catalytic converter worth?

Prices for KN21 follow live platinum, palladium and rhodium markets and depend on the condition of the unit. Send us a photo of the converter and its code and we will reply with today’s price.

Where is the code on a Mazda catalytic converter?

Look for the stamped or engraved code on the converter shell or heat shield. This unit is also known by 3424, so any of these codes identifies it.

Do you collect KN21 converters?

Yes. We collect across England & Wales, or you can drop off. Payment is usually by bank transfer.

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