Look for the number stamped or printed on the part itself. If it says WD3X721, or any of the 5 older numbers listed under Compatible parts below, this is the replacement. Every one of them is discontinued and every one leads here.
Weight and size of the parcel as it ships: 0.05 lb · 6.0, 6.0, 0.1 in. These are the carton, not the part — do not measure your old part against them.
Enter your model number in the box above for a straight answer, or read the full list under Compatible models below. Send us the number and we will confirm it before you order.
Manufacturer numbers: WD02X0256, WD02X0258, WD03X0721, WD2X256, WD2X258.
964 models
Fits: 185851988, 3631401591, 3631402190, 3631402191, 36314031000, 36314032001, 36314038001, 3631404596, 3631404597, 36314051690, 36314061791, 36314072790, 36314072792, 36314072793, 36314081990, 36314081993, 36314081994, 3631410690, 3631410691, 3631410693, 3631411690, 36314141690, 36314159000, 36314171792, 36314172792, 36314192990, 36314194993, 36314195993, 36314232100, 36314238100, 3631430690, 3631431590, 3631432590, 3631434193, 3631434593, 3631435596, 36314371792, 36314375790, 36314375791, 36314378892, 3631442190, 3631442192, 3631442592, 3631444193, 3631444196, 3631444896, 36314451690, 36314478790, 36314478794, 36314487100, 36314573000, 36314584100, 36314589100, 36314673100, 3631479580, 3631479581, 36315129100, 36315165793, 36315165795, 36315279100, 36315312100, 36315329100, 36315459992, 36315461790, 36315461794, 36315465791, 36315479000, 3631554594, 3631555991, 3631555992, 36315565790, 36315565791, 3631556990, 36315651892, 36315655890, 36315658892, 36315658893, 36315677000, 3631572590, 3631573590, 3631573591, 36316179100, 36316219100, 3631654195, 3631654993, 3631654995, 3631655590, 3631655591, 363GSD500P49WA, 363GSD900G01WA, ADW1100N00WW, ADW1100N10WW, ADW1100N15BB, ADW1100N20WW, ADW1100N30BB, ADW1100N30WW, EDW1500J00CC, EDW1500J00WW, GHD1106F00WW, GHD3525F00BB, GHD3535F00WW, GHDA350N10WW, GHDA350N20BB, GHDA356N00SS, GSC1120S02, GSC1120S03, GSC1120S04, GSC1200T02AD, GSC1200T04AD, GSC1200X03, GSC3200G00WW, GSC3200Z03BL, GSC3230F00WW, GSC3230Z01WW, GSC3230Z03WW, GSC3230ZZ0WW, GSC3400F00BL, GSC3430Z01WW, GSC3430Z02WW, GSC3430Z03WW, GSC3500D00WW, GSC3500D50WW, GSC3500D51BB, GSC3500R20BB, GSC400W52, GSC40204, GSC410M01, GSC470M02, GSC470M03, GSC580S01, GSC700T01AD, GSC700X02AD, GSC70101, GSC70206, GSC70207, GSC720Y06AD, GSC770M03, GSC800T02WH, GSC820S02, GSC870M03, GSC900X05BA, GSC900X07BA, GSC900X08BA, GSC90201, GSD1000G01, GSD1000G02, GSD1000G03, GSD1000G20WW, GSD1000L02, GSD1000S02, GSD1000T02, GSD1005F01WW, GSD1100G01, GSD1100G02WW, GSD1100G03, GSD1100N00WW, GSD1100N10WW, GSD1103F01WW, GSD1120P25, GSD1120R35, GSD1120R45, GSD1120R48, GSD1130L02, GSD1130P30WA, GSD1140M25, GSD1150P25, GSD1150T62, GSD1180T55WW, GSD1180T60WW, GSD1180T62WW, GSD1180X73WW, GSD1200G00BB, GSD1200G01, GSD1200G08, GSD1200G20BB, GSD1200L06, GSD1200L09, GSD1200P02, GSD1200S02, GSD1200T55, GSD1200T62, GSD1200T63, GSD1200T64, GSD1200X01, GSD1205T64BA, GSD1206T55BA, GSD1206T63BA, GSD1222V62BB, GSD1230T63WW, GSD1230T64WW, GSD1235T64WW, GSD1236T60WW, GSD1236T62WW, GSD1236T64WW, GSD1250R45, GSD1250R48, GSD1300N30WW, GSD1350T62, GSD1350X73, GSD1380T55WW, GSD1380T62WW, GSD1380X73WW, GSD1410T55AA, GSD1430T60WW, GSD1435T55WW, GSD1435X66WW, GSD1900G00WH, GSD1900J01WH, GSD1910T64AA, GSD1910X66AA, GSD1920C02BB, GSD1920T55BB, GSD2000F00AD, GSD2000F02AD, GSD2000F02WH, GSD2000G02AA, GSD2000G02BB, GSD2000J04BB, GSD2000Z04WH, GSD2000Z05AD, GSD2001G00WW, GSD2001J20BB, GSD2020F00BB, GSD2020F02BB, GSD2020Z02BB, GSD2020Z04BB, GSD2020Z05BB, GSD2021F00BB, GSD2030F02WW, GSD2030Z02WW, GSD2100N00WW, GSD2100R00CC, GSD2100R20CC, GSD2100R20WW, GSD2100V00BB, GSD2100V45BB, GSD2100V45CC, GSD2100V50CC, GSD2100V55BB, GSD2101R00BB, GSD2101R15BB, GSD2101V00BB, GSD2101V00WW, GSD2101V50WW, GSD2101V55BB, GSD2110C02AA, GSD2110C05AA, GSD2130C02WW, GSD2200D03, GSD2200G00WW, GSD2200G03, GSD2200G05, GSD2200G05CC, GSD2200L01, GSD2200L02, GSD2200M35, GSD2200Z04WH, GSD2200Z05AD, GSD2200Z05WH, GSD2200Z07AD, GSD2201G20WW, GSD2220F01BB, GSD2220Z01BB, GSD2230L25WA, GSD2230L45WA, GSD2230L49WA, GSD2230L52WA, GSD2230Z00WW, GSD2230Z02WW, GSD2230Z04WW, GSD2230Z05WW, GSD2300N00CC, GSD2300N00WW, GSD2300N10BB, GSD2300N10WW, GSD2300R15BB, GSD2300R15WW, GSD2300R20WW, GSD2300V00BB, GSD2300V35WW, GSD2301R00WW, GSD2301R15BB, GSD2325F00BB, GSD2335F00WW, GSD2340V35SA, GSD2350R00CS, GSD2350V35CS, GSD2400G05, GSD2400L01, GSD2400L02, GSD2400N00WW, GSD2400N10BB, GSD2400N10WW, GSD2432F00WW, GSD2600G00WW, GSD2600G01, GSD2600G03, GSD2600G05BB, GSD2600G05CC, GSD2600G05WW, GSD2600G20BB, GSD2700G00BB, GSD2700G02BB, GSD2700G20BB, GSD2700N00BB, GSD2700N00CC, GSD2800D01, GSD2800D02, GSD2800G02, GSD2800G03, GSD2800G06, GSD2800L01, GSD2800L19, GSD2800P36, GSD2800P48, GSD2800S48, GSD2920T60BB, GSD2930S45WA, GSD2930S48WA, GSD2930T60WW, GSD2930T64WW, GSD3000B10, GSD3000W01, GSD3000W13, GSD3000W16, GSD3000W20, GSD3100N00BB, GSD3100N00CC, GSD3115F00AA, GSD3160N00SS, GSD3200G00BB, GSD3200J20BB, GSD3210F01AA, GSD3210Z00AA, GSD3210Z01AA, GSD3210ZZ4AA, GSD3220Z00BB, GSD3230Z04WW, GSD3230Z07WW, GSD3230ZZ2WW, GSD3260J05SS, GSD3260J20SS, GSD3300D00BB, GSD3300D45CC, GSD3300K55BB, GSD3300K65WW, GSD3300K70WW, GSD3300N00BB, GSD3300N10CC, GSD3300N10WW, GSD3300N20WW, GSD3300R20WW, GSD3300V00BB, GSD3300V00WW, GSD3301J45BB, GSD3301J45WW, GSD3301K55WW, GSD3301K70BB, GSD3310C02AA, GSD3310C04AA, GSD3310C05AA, GSD3320C02BB, GSD3320C04BB, GSD3320C07BB, GSD3330C04WW, GSD3340D00SA, GSD3340D35SA, GSD3340D50SA, GSD3340K55SA, GSD3340K65SA, GSD3360D00SS, GSD3360D35SS, GSD3360K00SS, GSD3361J45SS, GSD3361K70SS, GSD3400G00WW, GSD3400G20BB, GSD3400G20CC, GSD3410Z05AA, GSD3415F00AA, GSD3420Z02BB, GSD3420Z07BB, GSD3430Z02WW, GSD3430Z05WW, GSD3430Z07WW, GSD3460G00SS, GSD3460G20SS, GSD3600G00BB, GSD3610Z04AA, GSD3610Z07AA, GSD3610ZZ2AA, GSD3610ZZ4AA, GSD3620F00BB, GSD3620Z05BB, GSD3620Z07BB, GSD3630ZZ3WW, GSD3715F00AA, GSD3725F00BB, GSD3800G00CC, GSD3830Z01WW, GSD3830Z05WW, GSD3900L00CC, GSD3900L20BB, GSD3910C02AA, GSD3910C04AA, GSD3910C07AA, GSD3912F00AA, GSD3922F00BB, GSD3930C02WW, GSD3960L20SS, GSD4000D35WW, GSD4000D45WW, GSD4000J20CC, GSD4000N00CC, GSD4000N10BB, GSD4000R15BB, GSD400T45WA, GSD400T48WA, GSD400T60WA, GSD400T61WA, GSD400W06BK, GSD400W07, GSD400Y04BS, GSD400Y05, GSD400YK01, GSD400YK02, GSD400YK02BK, GSD4010Y70AA, GSD4010Z02AA, GSD4010Z07AA, GSD4020Y74BB, GSD4020Z00BB, GSD4020Z04BB, GSD4030Y72WW, GSD4030Y74WW, GSD4030Z05WW, GSD4036Y70WW, GSD4060J00SS, GSD4060J20SS, GSD4060N00SS, GSD4060N20SS, GSD4100J00CC, GSD4112Z07AA, GSD4114Z04AA, GSD4120Y72BB, GSD4122Z02BB, GSD4122Z04BB, GSD4122Z07BB, GSD4130Y70WW, GSD4130Y72WW, GSD4132Z02WW, GSD4134Z04WW, GSD4200J00BB, GSD4200J00WW, GSD4220X65BB, GSD4220X66BB, GSD4260J00SS, GSD4310Y72AA, GSD4310Z00AA, GSD4320Y72BB, GSD4320Z04BB, GSD4325Z00BB, GSD4330Z00WW, GSD4330Z04WW, GSD4410X73AA, GSD4430X66WW, GSD4430X72WW, GSD454W05, GSD4610Z04AA, GSD4630Z02WW, GSD4630Z04WW, GSD464W54, GSD470S45WA, GSD470S48WA, GSD4800J01CC, GSD4910Z00AA, GSD4920X66BB, GSD4920Z02BB, GSD4921X65BB, GSD4930X66WW, GSD4930X73WW, GSD4930Z04WW, GSD4940C00SS, GSD4940C02SS, GSD4940Y66SS, GSD4940Y72SS, GSD500G01WA, GSD500G02AW, GSD500G02BA, GSD500L01AW, GSD500L01WA, GSD500L02AW, GSD500L20AW, GSD500P25AW, GSD500P45AW, GSD500P45BA, GSD500P45WA, GSD500P49BA, GSD500T55BA, GSD500T60AW, GSD500T64AW, GSD500T64BA, GSD500X72BA, GSD5110D01AA, GSD5112F00AA, GSD5120D01BB, GSD5132F01WW, GSD5134D01WW, GSD5152F00CC, GSD530P48WA, GSD530P49WA, GSD5310D01AA, GSD5320D00BB, GSD5330D00WW, GSD5350D00CC, GSD540G01, GSD550T55BW, GSD550T60BW, GSD550T64BW, GSD551W04FK, GSD551W54FK, GSD5610D00AA, GSD5620D01BB, GSD5630D01WW, GSD5650D01CC, GSD570R49BA, GSD580G01, GSD580G02, GSD580K01, GSD580P49WA, GSD580W07, GSD585S48BA, GSD5910D00AA, GSD5910D01AA, GSD5920D00BB, GSD5940D00SS, GSD5950D01CC, GSD600G01, GSD603L01, GSD630P36WA, GSD630P45WA, GSD630P48WA, GSD640D04, GSD640G01, GSD640L01, GSD640P25BA, GSD640P35BA, GSD640P35WB, GSD640P36BA, GSD640P45WB, GSD650L20, GSD650X66BA, GSD650X66WB, GSD650X71BA, GSD660P25BA, GSD660P45BA, GSD660P49BA, GSD680T60WW, GSD700L02, GSD700L03, GSD700T60BA, GSD715X68AA, GSD715X72AA, GSD720P25BA, GSD720P48BA, GSD720X66BA, GSD720X66WB, GSD720X68BA, GSD720X71BA, GSD720X71WB, GSD720X73BA, GSD720X73WB, GSD725X68WW, GSD730T55WW, GSD750T62BA, GSD750T62WB, GSD750W05, GSD750W55, GSD780T64WW, GSD790L01, GSD80001, GSD800T60BA, GSD800T64BA, GSD800X68BA, GSD806T55BA, GSD820P35BA, GSD820P45BA, GSD830M20, GSD830P25WA, GSD830P52WA, GSD830T62WW, GSD830X73WW, GSD840P48, GSD850T55, GSD850T62, GSD850T64, GSD850Y71, GSD880T60WW, GSD880Y70WW, GSD900D03, GSD900G01, GSD900G01WA, GSD900L02, GSD900XX02BA, GSD900XX04BA, GSD906X73BA, GSD930X66WW, GSD936X70WW, GSD940D03, GSD940L01, GSD940M20, GSD950T55, GSD950X72, GSD970P35, GSD970P48, GSD980P35, GSD980X66WW, GSD990L02, GSD990L03, GSDL352F00CC, GSM2100G02WW, GSM2100G05BB, GSM2100G20CC, GSM2100G20WW, GSM2100Z02WH, GSM2100ZZ0AD, GSM2100ZZ2WH, GSM2110D00AA, GSM2110D02AA, GSM2130D02WW, GSM2200N00BB, GSM2200N00CC, GSM2200N10CC, GSM2200N15BB, GSM2200N15WW, GSM2200V70BB, GSM2260N20SS, GSM2260V45SS, GSM507L02, GSM507P25WA, GSM603D01, GSM603G02, GSM603L02, GSM603L03, GSM603L20, GSM603P45AW, GSM603T55AW, GSM603T60WW, GSM603X68AW, GSM603X71AW, HDA1000G02WH, HDA1000K01, HDA1000K03, HDA1000N10WH, HDA1000Z00WH, HDA1000Z01WH, HDA1000Z05WH, HDA1000Z06WH, HDA1000Z07WH, HDA1000Z08WH, HDA1000Z09WH, HDA1000Z10WH, HDA1000Z11WH, HDA1000Z12WH, HDA100S45AW, HDA100S45BW, HDA100S55WA, HDA100V64WH, HDA101Y66WH, HDA1030M20, HDA105Y70WH, HDA105Y73WH, HDA1100N10WH, HDA1100N15WH, HDA1100N20WH, HDA1100R00WH, HDA1100Z01WH, HDA1100Z08WH, HDA110S45BA, HDA110S48AW, HDA110S48WA, HDA110S55BA, HDA1200G00BB, HDA1200G00WW, HDA1200G02BB, HDA130S55WW, HDA150V60AW, HDA150V60WA, HDA150V61AW, HDA150V61BW, HDA150V61WA, HDA150V64WA, HDA150X66AW, HDA150X66BW, HDA150X72AW, HDA180XX01WW, HDA180XX02WW, HDA200001, HDA2000F00AD, HDA2000F01AD, HDA2000F01WH, HDA2000F02BB, HDA2000F02WH, HDA2000F03AD, HDA2000F03WH, HDA2000F04AD, HDA2000F04BB, HDA2000G00AA, HDA2000G00BB, HDA2000G01, HDA2000G02, HDA2000G02AA, HDA2000G02CC, HDA2000G03, HDA2000G04, HDA2000G04CC, HDA2000G04WW, HDA2000G05, HDA2000K01, HDA2000M20, HDA2000M25BA, HDA2000T00WW, HDA2000V00WW, HDA2000Z00AD, HDA2000Z00WH, HDA2000Z01WH, HDA2000Z02AD, HDA2000Z05AD, HDA2000Z07AD, HDA2000Z07WH, HDA200S48, HDA200V60BA, HDA200V61BA, HDA200X66BA, HDA200X71BA, HDA200X72BA, HDA2020Z01BB, HDA2020Z07BB, HDA2030M01, HDA2030Z00WW, HDA2030Z01WW, HDA2030Z02WW, HDA2100H35BB, HDA2100H35WW, HDA2100H45CC, HDA2100H50BB, HDA2100H50CC, HDA2100H50WW, HDA2100H55BB, HDA2100H55WW, HDA2100H65WW, HDA2100N00BB, HDA2100N10BB, HDA2100N10WW, HDA2100R00BB, HDA2100R00CC, HDA2100R00WW, HDA2100R20BB, HDA2100R20CC, HDA2100V35BB, HDA2120Z00BB, HDA2120Z01BB, HDA2120Z05BB, HDA2130Z01WW, HDA2160H50SS, HDA2160H65SS, HDA2160H70SS, HDA2200F01WW, HDA2220Z00BB, HDA2220Z05BB, HDA2600K01, HDA300Y71BA, HDA300Y72BA, HDA3200F00AA, HDA3220Z02BB, HDA3220Z04BB, HDA3220Z05BB, HDA3230Z01WW, HDA3230Z07BB, HDA330Y70WW, HDA330Y71WW, HDA3400F00AA, HDA3400F00WW, HDA3400G00CC, HDA3400G02BB, HDA3400G02CC, HDA3400G02WW, HDA3420Z00BB, HDA3420Z02BB, HDA3430Z00WW, HDA3430Z01WW, HDA3430Z04WW, HDA3430Z05WW, HDA3440G05SA, HDA3500F00AA, HDA3500N00BB, HDA3500N00WW, HDA3500N10CC, HDA3500N20BB, HDA3500N20WW, HDA3520Z02BB, HDA3520Z05BB, HDA3530Z07WW, HDA3540N00SA, HDA36003, HDA3600D00CC, HDA3600D00WW, HDA3600D35WW, HDA3600H35BB, HDA3600H35WW, HDA3600H45WW, HDA3600H55WW, HDA3600K54BB, HDA3600K55WW, HDA3600K65WW, HDA3600K70BB, HDA3600N00CC, HDA3600N00WW, HDA3600N10CC, HDA3600N10WW, HDA3600N20CC, HDA3600N20WW, HDA3600V00BB, HDA3600V00WW, HDA3640D35SA, HDA3640N00SA, HDA3640N10SA, HDA3640R00SA, HDA3700G00BB, HDA3700G00CC, HDA3700G00WW, HDA3740G02SA, HDA400S45BA, HDA400S55BA, HDA400V60BA, HDA400V61BA, HDA400X68BA, HDA430S48WW, HDA430V60WW, HDA430X66WW, HDA430X68WW, HDA46003BK, HDA46006, HDA46502, HDA46502BK, HDA46503, HDA46504BS, HDA467K01, HDA467K02, HDA467L01, HDA469M01, HDA47704, HDA477K02, HDA479M01, HDA479M02, HDA479M03, HDA48701, HDA48701BK, HDA487G02, HDA487K02BK, HDA489P35AW, HDA489P35BA, HDA497K01, HDA497K02, HDA499M01, HDA59703, HDA600S55BA, HDA750S45BA, HDA750S48BA, HDA78003, HDA78003FK, HDA78005, HDA78501FK, HDA78505FK, HDA78703, HDA787K02, HDA79505, HDA79701, HDA79702, HDA79702BA, HDA797K01BA, HDA799M01, HDA799M02, HDA86005, HDA86501, HDA86505, HDA89701, HDA897G01, HDA900V60BA, HDA900V61BA, HDA900V64BA, HDA900X73BA, HDA930Y70WW, HDA950G01, HDA950G02, HDA950G03, HDA959M02, HDA96004, HDA96505, HDA969P35BA, HDA999M20, HDA999M25BA, HDA999M35BA, HDB33209, HDB72003, HDB72005, HDB72101, HDB72703, HDB82003, HDB82101, HDB82105, HDB82701, HDB82703, HDB827G01, HDB827G02, HDB92003, HDB92102, HSM507G02, LUD3100V64WB, LUD3100X66WB, PDB462K02, PSD1000Z02WH, PSD100X66WH, PSD100X72WH, PSD1060K02, PSD200S55BA, PSD200V61BA, PSD2260K20, PSD300Y72BA, PSD330Y70WW, PSD330Y72WW, PSD3420Z01BB, PSD3430Z01WW, PSD400V60BA, PSD400X66BA, PSD430V60WW, PSD430V61WW, PSD430V64WW, PSD430X68WW, PSD500S45, PSD500S48, PSD760K02, PSD765M25BA, PSD850S48, PSD900X70BA, PSD930V60WW, PSD960K01, PSD965M20, SSD3900J00WW, VDF200PM55BB, VDF200PM70BB, ZBD3000R45WB, ZBD3000T48WB, ZBD3100R45BW, ZBD3100R48BW, ZBD3300R55WB, ZBD3300V60WW, ZBD3500Z00BB, ZBD3500ZZ0BB, ZBD3500ZZ1WW, ZBD3500ZZ2WW, ZBD3540C00SS, ZBD3540C01SS, ZBD4500D00SS.
