go to partstree.com, use your craftsman model # and see if you come up with the same belt. when all else fails, use the dimensions you've been given here and do a belt search on the internet or ebay, just longer as you determine.Hello I have Craftsman 917274822 tractor 42 riding mower the problem I am having is the Deck Belt, Each replacement belt I get for it, IT IS TOO TIGHT.. I try ordering from the Sears Online, and it sending me to Amazon where I tried there belts, and they are to tight, and when you go to crank the mower up the blades are turning