Six New Aftermarket Replacement Mower Blade Fits Many 42″ Mower Models. /Roper/Sears: LTH1342, LTH1342A, YTH1542XP, YTH1542XPG, 2 for 42″, 2 for 42″, 20″ Cuts Fits Husqvarna: LTH1342, LTH1342A, YTH1542XP, YTH1542XPGSouthern States: SO1742STA, SO17542LT, SO19H42LTPoulan: CO185H42STC, CO18542STB, C20H42YT, DB24H42YT, HDK19H42, HD17542, HD1842, PBA195H42LT, PB1842LY, PB185H42LT, PB19H42YT, PB195H42LT, PB20H42LT, PB20H42YT, PB20H42YT, PD17542LT, PD185H42STB, PD22H42STA, PK1942LT, PO15542LT, PO175H42ST, PO17542LT, PR20PH42STD Tech Info:2 blades required for 42″ cut decksMedium LiftLength: 21″Width: 2-1/4″Thickness: 0.156″Center Hole: 5 Point Star Replaces Part Number:Ariens: 21546095: 127843, 134149, 138498, 138971, 138971X431, 531307224, 532134149, 532138971, 917127843, 917131323, 917138498MS, 917532138498Craftsman: 127843, 138498, 138971 Fits Husqvarna: 532127843, 532138498, 532138971McCulloch: 532 13 89-71Poulan: 531307224