Insights
Notes for people who keep automotive catalog files clean.
These articles are for catalog specialists, data managers, and supplier-file reviewers in the automotive aftermarket. If you work with ACES, PIES, or fitment data, this is the page for you. Practical file-quality notes. No product pitches. No parts store.
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When the supersession lives in a spreadsheet, the old part still wins the lookup
Replacement chains that never make it into published catalog data leave the discontinued part in the bay and the current part invisible at lookup.
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How to review a supplier ACES file before you ingest it
Once a supplier file is in your catalog, their mapping errors are your mapping errors. A short inbound review prevents that.
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Why “complete” ACES files still produce wrong-part returns
A file can have an application for every SKU and still send the wrong part to the bay. Completeness is not the same as correctness.
InterWest Technology Group 