Ignition Coil 21171-0745 Replaces Hustler Fastrak SD FH721V Scag Tiger Cub 22HP Cub Cadet 50RTZ Lawn Tractor Compatible with Kawasaki FH601V FH641V FH661V FH680V FH721V 21171-0713 is up for auction in Automotive. The current bid is $1.00, 96% below the $26.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.