Parts can vary depending on the serial number of the machine. Brand New Aftermarket Spark Arrestor Muffler. Bobcat Loader(s): 1600, 642, 643, 645, 742, 743. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Exhausts". The seller is "durpar_ca" and is located in this country: CA. This item can be shipped to Canada.