Converter type

Ford catalytic converters

Ford ovals are OEM Ford, Lincoln and Mercury converters identified by a four-character Ford prefix such as 5L34, XR33 or F6DC followed by a three-letter stamp. The stamp decides the price, so photograph the whole line.

We pay for this type
$48 to $670
Regular domestic category. Updated October 1, 2026. Final price on inspection.
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How 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.