A misfiring engine or loss of spark could simply be a bad spark plug cap. Replace it quickly and easily with this cap and wire assembly. The coil wire will simply thread into your original coil and you are back in business. This unit includes the replacement spark plug wire and cap (Coil itself is not included). Replaces Polaris part number 3084980. Fits the following Sportsman models: All 1999-01 Sportsman 335, All 2001-14 Sportsman 400, All 2006-07 Sportsman 450, 1996-13 Sportsman 500 (Including H.O, Touring, 6x6, etc) DOES NOT FIT EFI MODELS!!, 1999-01 Worker 335/500, 1997 Xplorer 500, 2000-01 Xpedition 425.