Replaces OEM Part: Husqvarna, Craftsman 134149, 532134149, 138971, 532138971, 138498, 532138498, 422719, 532422719, 532127843, 127843, 577616134, 594892701, CMXGZAM110021, CMXGZAM110136, 21546095 Dimensions: Length 21", Width 2-1/4", Thickness 0.134", Center Hole 5 point star, Air Lift 1-5/64", Cutting Edge Length 7-1/16", Compatible Deck Size 42". The length of the blade is measured diagonally from one end to the other Important: Parts may differ between different configurations of the same mower model. Please confirm the complete model number to ensure a proper fit. For a more detailed list of compatible models, check the description below 422719 Craftsman 42 Inch Mower Blades Compatible with YT3000 (917289340, 917289341, 917289342, 917289344), DLT2000 (917273780), DLT3000 (917275820, 917275821), YT4000 (917289260), DYS4500 (917287260), YS4500 (917287220), YTS3000 (917289220, 917289221, 917289223), 917279060 (960130002), 917279180 (YTH2242T), 917279181 (YTH2242T), 917279240 (960430005), 917279241 (960430005), 917287520 (YTH2042), 917289610 (YTH2042), 917289620 (YTH22V42), 917252500, 917252520, 917252521, 917252580, 917288070 134149 Husqvarna 42 Inch Mower Blades Compatible with YTH18542, YTA18542, LTH2042, YTH1542, YTH1542XP, YTH1542XPT, YTH18K42, YTH1842, YTH1842XP, YTH1942, YTH2042, YTH2042TD, YTH2042XP, YTH20K42, YTH20B42T, YTH21K42, YTH2242, YTH2242T, YTH22V42, YTH22K42, YTH23V42, YTA19K42, PB195H42LT, LT140, LT150, LT152, LT16542, LT18542, 2042LS, LT2223A2, LT1942 532134149 Husqvarna 42 Inch Mower Blades Compatible with LTH140, LTH145, LTH152, LTH174, LTH1342, LTH1742, LTH1842, LTH18542, LTH2142, LTH2142D, LTH2142DR, YTH1342XP, YTH130, YTH135, YTH145, YTH150, YTH150XP, YTH180XP, YTH190, YT1942, YT1942T, YT42LS, YT150, YT155, YT160, YT190, TS142, TS243, TS243T, YT16542, YT16542T, Z142, YTKH1542XP, TS142T, TS142TX, TS142TXD, TS142X, TS142XK 532138971 Husqvarna 42 Inch Mower Blades Compatible with YTH20F42T (Only for 960430005-00-02, 960450002-00, 960450002-01, 960430039-00), YTH180 (Only for 954170023-C, 954170023-E, 954170023-F, 960410025-00, 960410025-01, 960410026-00, 960410026-01, 954820141-A, 954001022, 954001082-A, 954001082-B, 954000662-A, 954002761-A, 954001172-A), RZ4219 (Only for 965881101, 966809001, 966809002, 966809002-00), RZ4219BF (Only for 966582201, 966582201-00, 966514801, 966514801-00, 967176102, 966676601) 138971 Poulan Pro 42 Inch Mower Blades Compatible with PP19A42, PP1242, PP1242A, PP1442, PP145H42, PP145H42A, PP145H42B, 279370, PP15H42K, PP15H42KB, PO1742STA, PO1742STC, PP12542J, PP12542JA, PP125H42J, PP125H42JA, PP14542K, PP14542KB, 342074B, CN1842STA, CO1842STA, CO18542STA, CO18542STB, CO18542STC, CO185H42STA, CO185H42STB, PPR20H42STC, PR1742STA, PR17542STA, PR17542STC, PRK17H42STA, PRK17H42STB, PO17542STD, PD185H42STA, PD185H42STB, PD185H42STC, PP155H42, PP155G42, PP175G42 532138971 Poulan Pro 42 Inch Mower Blades Compatible with PP185A42, PB145G42, PB15542LT, PB155G42, PB175A46, PB175A42LT, PB17542LT, PB175G42, PB185A42, PB1842LT, PB18542LT, PB19542LT, PB195A46LT, PB195H42LT, PB19H42YT, PB20A42LT, PB20A46LT, PB2042YT, PB20H42LT, PB20H42YT, PB22H42YT, PO14542LT, PO15542LT, PO16542LT, PO17542LT, PO175A42LT, PO19542LT, XT195H42LT, XT19H42YT, BB18542LT, BB185H42LT, BB185H42YT, BB24H42YT, C20H42YT, CO17542LT, PD17542LT, PBA19542LT, PBA19542LTX, PXT175G42, HD17542 Sharpness: Each new blade is pre-sharpened but covered with safety paint that wears off during initial operation. For continued peak performance, the blade can be safely resharpened whenever the cutting edge becomes dull 134149 532134149 138971 532138971 138498 532138498 422719 21546095 532 532127843 127843 594892701 532422719 577616134 CMXGZAM110021 CMXGZAM110136 Lawn Mower Mulching Blades 42 Inch for Husqvarna Craftsman Poulan Pro Jonsered AYP Ariens Deck Blade YTH18542 YTA18542 PP19A42 YTH 18542 YTA YT3000 DLT2000 DLT3000 YTH2242T YTH2042 YTH22V42 YTH1542 YTH1542XP YTH1842 XP YTH1942 YTH2042 YTH20K42 YTH21K42 YTH2242 YTH22K42 YTH23V42 YTA19K42 LTH 140 145 152 174 1342 1742 1842 YT4000 DYS4500 YS4500 YTS3000. Replaces OEM Part: Husqvarna, Craftsman 134149, 532134149, 138971, 532138971, 138498, 532138498, 422719, 532422719, 532127843, 127843, 577616134, 594892701, CMXGZAM110021, CMXGZAM110136, 21546095 422719 Craftsman 42 Inch Mower Blades Compatible with YT3000 (917289340, 917289341, 917289342, 917289344), DLT2000 (917273780), DLT3000 (917275820, 917275821), YT4000 (917289260), DYS4500 (917287260), YS4500 (917287220), YTS3000 (917289220, 917289221, 917289223), 917279060 (960130002), 917279180 (YTH2242T), 917279181 (YTH2242T), 917279240 (960430005), 917279241 (960430005), 917287520 (YTH2042), 917289610 (YTH2042), 917289620 (YTH22V42), 917252500, 917252520, 917252521, 917252580, 917288070 134149 Husqvarna 42 Inch Mower Blades Compatible with YTH18542, YTA18542, LTH2042, YTH1542, YTH1542XP, YTH1542XPT, YTH18K42, YTH1842, YTH1842XP, YTH1942, YTH2042, YTH2042TD, YTH2042XP, YTH20K42, YTH20B42T, YTH21K42, YTH2242, YTH2242T,