Converter type
Four Dots catalytic converters
We buy Four Dots converters from repair shops, salvage yards, and fleets. Type the stamped code on the prices page for a per-unit price, or send us a photo.
We pay for this type
$48 to $670
Regular domestic category. Updated October 1, 2026. Final price on inspection.
Get a quote for yoursHow to find the code
The code is stamped into the shell or a welded plate, usually near a flange. Wipe the surface and photograph it straight on in daylight. If two sections are welded together, photograph both.