NOS

Short answer: NOS = New Old Stock — leftover factory replacement parts.

Caveats: parts sent to the bins were sometimes assembly-line rejects (“seconds”), so not always as good as what went on the car; and many are “shelf-worn” after years in warehouses and at swap meets. Watch for scammers who keep the original NOS box and sell a used part in it — a tell is being asked whether you mind not getting the box. (Hemmings Motor News always listed common ad abbreviations up front.)

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Content last modified: June 13, 2026 at 10:06 am


Categories: Miscellaneous - All, Miscellaneous - General Info

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