F0NN7A543AB NEW Clutch Master Cylinder for Ford 5640, 6640, 7740, 7840, 8240+. Clutch Master Cylinder for FORD 5640, 6640, 7740, 7840, 8240+. We'll be glad to answer any questions you have about our tractor parts. Clutch Master Cylinder for Ford 5640, 6640, 7740, 7840, 8240+.Fits FORD 5640, 6640, 7740, 7840, 8240, 8340, TS100, TS100A, TS110, TS110A, TS115, TS120A. About Cross Creek Tractor Co. Cross Creek Tractor was established in 1985 as a used tractor and equipment dealer. We now carry a great range of high quality new aftermarket tractor parts for our customers. Get In Touch With Us. We are sorry for this inconvenience. No consideration for labor, downtime, or any other expense will be given. We Carry These Quality Tractor Parts. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Complete Engines & Engine Parts". The seller is "crosscreektractorco" and is located in this country: US. This item can be shipped to United States.