Hollander interchange primer
What is Hollander interchange?
- The Hollander interchange is a proprietary numbering and application system used in automotive recycling and parts data.
- An interchange number identifies a family of parts for cataloging (not the same as ACES/PIES).
- It often appears as
101-00100or with an alpha suffix such as110-10650L, stored asInterchangeNumberand built fromPartType,IntchNbr, andAlphaExtensionininterchangelist.
Core tables in this database
- interchangelist — one row per interchange identity, application text, and sequence; main fitment narrative.
- indexlist / indexlistapp — vehicle index tree;
LRFlagand interchange onindexlistapp. - ids2hol — catalog / ID number to Hollander interchange.
- ptype — part type code to description.
- manufacturer —
MfrCd/MfrName. - carline — model / manufacturer / year lines.
- interchangenote — notes per interchange.
- remarks — previous/new interchange and L/R change history.
- hollander_interchange_version — dataset version metadata.