ALPHA 3, ALPHA 3 PLUS - SINCE 1997THE ALPHA 3 & ALPHA 3 PLUS BODIES USE THE SAME PARTS. THE ALPHA 3 & ALPHA 3 PLUS USE DIFFERENT HOSES.SOME PARTS ON THE 1998 VERSION HAVE BEENDISCONTINUED. ALL OTHER PARTS WILL FIT ALLVERSIONS ‘98 THRU CURRENT.