Harley-Davidson Unveils New Part Number System

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Harley-Davidson launched Dec. 15 a new part number format that will be used for all newly created Original Equipment and Genuine Parts & Accessory part numbers, replacing the current part numbering system that dates back to the early 1960s.

Harley says the change was driven by several factors. The primary reason was that after decades of new part introductions, unused base part numbers were running out.

The new part number system replaces the legacy format of a five-digit base part number and a two-digit model year code (e.g., 12345-09) with a three-digit part type and a five-digit index number (e.g., 34500008).

The model year of introduction will no longer be embedded in the part number, but it will be readily available on part labels, parts books and other systems. Alphabetical suffixes will be added as needed to indicate retrofit and color options, along with other information.

Legacy parts introduced prior to the adoption of the new system will continue to be stocked under the old format, but all newly created parts will be assigned the new format.

Posted by Arlo Redwine