Guides
Guide to selling catalytic converters and DPF filters
Everything you need to know before a valuation: where the serial number is, what determines the value and how buyback works.
Serial number
Where is the serial number on a catalytic converter?
Where to look for the engraved serial number, and how to clean and photograph it for an accurate valuation.
Valuation
How to find out the value of a catalytic converter
Serial number, photo or catalog — what you need for a fast and accurate valuation.
Price
What determines the price of a catalytic converter?
Precious metals, model, condition of the core and metal market prices.
Technical
What is inside a catalytic converter?
The casing, the matting, the ceramic honeycomb and the coating of platinum, palladium and rhodium.
Selling
How to sell a catalytic converter
From serial number to payment: valuation, shipping by courier and pickup.
DPF
What is a DPF filter and does it have buyback value?
How a diesel particulate filter works and why a used DPF can have value.
Comparison
The difference between a catalytic converter and a DPF filter
Purpose, construction and buyback — and how to tell which part you have.
Have a catalytic converter to sell?
Send us the serial number or a photo and request a valuation.
We also buy DPF filters.
