For a 1992 Miata cruise control module what is the difference between X4T354891 and X4T354891M?
Hi Glenn. Thanks for contacting us tonight in regards to your Mazda Miata. Unfortunately, we’re unable to access these part numbers to provide you with relative data about the differences. Perhaps if you were to send us a link to the parts or give us a bit more information, we could help you here. Thanks.
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