Compatible with Craftsman the Following: 917371600, 917376583, 917376470, 917377041, 917377012, 917377013, 96146000200, 917376681, 917376091, 917376742, 917374461, 917376061, 917.370752, 917376673, 917371650, 917370610, 917.371722, 917.376054, 917376551, 917376164, 917376732, 917370581, 917376722, 917255540. Compatible with Craftsman the Following: 917253401, 917253431, 917253432, 917253450, 917253461, 917253400, 917253410, 917253411, 917253440, 917253462, 917254380, 917254381, 917254390, 917254391, 917254570, 917254571, 917370400, 917370401, 917370410, 917370430, 917370600, 917370620, 917370640, 917370650, 917370651, 917370660, 917370661. Compatible with Husqvarna the Following: 5521 CHV, 65021 CHV, 65021 ES, 65022 ES, 6521 RS, 6522 SH, 6522 SL, 67521 ES, 67522 ES, 7021 RES, 7021 RS, 917.37535, 917.375361, 917.37582, 7021R, HU700F, 62522 FE, XT721F, 219611X83E, 37611, XT722FE, XT722 FE, 917377230, PEM65Y21RHP, PEM65Y21RP, XT625Y22RKP, P53-190DWA, R53 SVL, J55 S, J55 SL, 38045, 38046, 36893, 961430054, HU600F, HU675F, 62522 SH, R53 SV, R53 SVW, 7021, 7021 F, 7021 KF, R52 S, 5521 RS. Compatible with Poulan the Following: PR600Y22SHP, XT600Y21RP, PR625Y22RHP, PR625Y22RKP, PR625Y22RP, PR625Y22SHP, 961420106, PR600Y21RP, 961440001, 96142010200, PR600Y21RHP and Weed Eater: 96142009401, Jonsered: LM 2153 CMDA, LM 2153 CMDAE, LM 2155 MD