How to find the code on a catalytic converter
Where the reference number is stamped on a catalytic converter, what it looks like for Toyota, Volkswagen, Ford, BMW, Mercedes and other makes, and how to search it.
Read the guidePlain answers about codes, prices, metals and selling, written by the team behind the catalogue.
Where the reference number is stamped on a catalytic converter, what it looks like for Toyota, Volkswagen, Ford, BMW, Mercedes and other makes, and how to search it.
Read the guideWhy a used catalytic converter has value, how the platinum, palladium and rhodium inside it set the price per piece, and what changes the price from day to day.
Read the guideThe types of catalytic converters and exhaust filters, how to recognise each one, and which types carry the most precious metal.
Read the guideCodes that differ by one character, reused part numbers, aftermarket copies and variants: why near-identical catalytic converters can be worth very different amounts.
Read the guideWhat each platinum-group metal does in a catalytic converter, why rhodium matters so much, and how daily market prices feed into the price per piece.
Read the guideA practical guide to selling used catalytic converters: identify and price them first, keep them complete, what to bring, how quotes and inspection work, and how you are paid.
Read the guide