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A reproduction part, or repro, is a part that has been independently manufactured to meet original equipment manufacturer's (OEM) specifications by a third party manufacturer. This is usually done to meet demand for spare parts no longer produced by the manufacturer. While some reproductions may be indistinguishable from the originals, most are close imitations. ==Advantages and disadvantages== * The first, obvious advantage is having the item available again, which aides in the restoration of a vehicle to the correct, factory specifications. It also cancels the need to find a good used part otherwise not available new, or the sourcing out of NOS parts (New Old Stock) which can be a difficult, time consuming task and often an expensive one due to their rarity. Many auto manufacturers actually discard or even destroy new parts that have been stocked unused for long periods. * A common disadvantage of the reproduction part is often the need for it to be produced in industrial quantities requiring mass production using costly tooling, thus prohibiting the reproduction of certain items which may prove uneconomical. As time passes, many vehicles become scarce and large quantity productions are not possible. * Quality issues may arise when reproducing items. Some suppliers will inevitably reduce the quality of the part to allow for a lower retail price - Keeping in mind auto manufacturers normally produce their items in mass, it is often impossible for a supplier to repeat the process without lowering quantity or quality for obvious reasons. * Price - Reproductions are sometimes considerably more expensive than the originals, for the reasons listed above. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Reproduction auto part」の詳細全文を読む スポンサード リンク
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