This plastic wheel with 53 teeth restores your wheel traction, get your lawn mower self propelled function back to work. Easy to install, just put the new wheels on and bolt right up. Work with most Craftsman 22″ cut front wheel drive self-propelled mowers models, like 917371600 917376080 917376583 917376470 917376681 917376061 917376673 917370610 917376551 etc. For more details, pls check the description part. Replaces Part numbers # 194231X427, 194231×460, 532403111, 532194231, 583104401, 583719501, 181469, 180658. Package including 2*white drive tires, each 7.9″ Tall x 1-3/4″ Wide.Why you need to change your front wheels One major issue why these sprocketed drive wheels wear out prematurely is because the mower deck gets bent which causes misalignment of the drive axles and causes excessive wear. When tires worn out and will lose traction, change new wheels could provide new traction for your lawnmower and it will pull itself again. Why you choose us