One New Aftermarket Replacement Bobcat Skid Steer Loader Radiator that fits models: 645, (743 with serial number above 15000). Core is 30 1/4 x 11 1/2 x 2 3/4. Some of these models used different radiators depending on the serial number. Sale Depends on Stock at the Time. Only the 48 contiguous States in the U. The item "645 743 743B 743DS Bobcat Skid Steer Loader Radiator New Aftermarket 6648820" is in sale since Friday, October 21, 2011. This item is in the category "Business & Industrial\Heavy Equipment Parts & Accs\Construction Equip Parts". The seller is "stevenslake" and is located in Marquette, Michigan. This item can be shipped worldwide.