Definition of Aftermarket
#31928 from James Rogerson · Rule change · TB 22-06 (2022-06 Fastrack)
In GCR Appendix F – Technical Glossary, O E M - Original Equipment Manufacturer, change as follows:
"After Market Aftermarket – These parts are usually copied from an OE/OEM part but are likely not produced by the same
manufacturer. The part may not be identical, but it should offer no distinct advantage over the OE or OEM part other thanperhaps a lower price point. The part shall provide the same functionality as the OE/OEM part. Documentation from the part
manufacturer or other commercial publications may be considered in making a determination as to whether a part qualifies
as "After Market" aftermarket."