For Craftsman 36" 38" 42" Deck Riding Lawn Mowers. 5-Point Star Blade Mound Spindle Shaft. Part Number: 21455. 3421H74, 342064, 342074, 342084, CT130, LR12, LR13, LR121, LT12, LT13, LT14, LT15, LT16, LT100, LT130, LT1538, LT2112, LT2115, LT2118, LT2220, LTH15, LTH16, LTH120, LTH130, LTH1342, PP12R38, PP15H42, PP21R38, PP125H38, PP125H42, PP125R38, PP145H42, PP1036S, PP1136, PP1242, PP1338, PP11536, PP12538, PP12542, PP14542, PR1742ST, T130, TH1542, WET17H42ST, WET1742ST, WET2242ST, YTH130, YTH150, YTH1542, YTH1542XP, YTH1842, YTH2242.
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