Look for the number stamped or printed on the part itself. If it says WD21X479, 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, 0.3 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: WD21X0434, WD21X0479, WD21X0520, WD21X434, WD21X520.
953 models
Fits: 1200L02, 185851988, 3000B10, 3631401592, 3631401890, 3631401891, 3631402191, 3631402590, 3631402892, 36314031000, 3631404194, 3631404197, 3631404897, 36314071792, 36314071793, 36314072792, 36314072795, 36314074791, 36314075794, 3631411692, 3631414596, 3631414598, 36314159000, 36314171792, 36314172792, 36314175791, 36314191993, 36314192993, 36314194991, 36314195992, 36314231100, 36314234100, 36314252100, 3631430691, 3631432592, 3631434593, 3631434595, 36314378890, 36314378892, 36314382000, 36314389000, 36314391990, 36314395993, 36314398990, 36314398993, 3631441590, 3631442192, 3631444193, 3631444194, 3631444195, 3631444197, 3631444593, 3631444896, 3631444897, 36314455690, 36314458691, 363144596, 36314475790, 36314475793, 36314478790, 36314487100, 36314489100, 36314582100, 36314589100, 36314773100, 36314774100, 36314779100, 3631479580, 3631479581, 3631499580, 36315121100, 36315155691, 36315161793, 36315161794, 36315165793, 36315171000, 36315229100, 36315312100, 36315322100, 36315324100, 36315329100, 36315452990, 36315459991, 36315461791, 36315461794, 36315465790, 36315465791, 36315465794, 36315489000, 3631554193, 3631554595, 3631554994, 3631555590, 3631555592, 3631555992, 36315561791, 3631556991, 36315651891, 36315651892, 36315651893, 36315655892, 36315658893, 36315679000, 3631573590, 36316212100, 36316541494, 3631654194, 3631654594, 3631654595, 3631654994, 3631655190, 3631656970, 363GSD500P49WA, ADW1000K00WW, ADW1100N10WW, ADW1100N20WW, ADW1100N35WW, EDW1500G00BB, EDW1500J00WW, EDW2020F00BB, EDW2030F00WW, EDW2030F01WW, EDW2050F02CC, EDW2060F00SS, EDW3000G00WW, EDW3000G01WW, EDW3000G03WW, GAX100L48, GHD3515F00AA, GHD5015F00AA, GHD5025F01BB, GHD5035F00WW, GHDA350N00BB, GHDA350N10BB, GHDA350N20WW, GSC1120S02, GSC1120S03, GSC1120S04, GSC1200T01AD, GSC1200T04AD, GSC1200X08, GSC3200G01BB, GSC3200Z02BL, GSC3230F00WW, GSC3400G00BB, GSC3400J00BB, GSC3430Z02WW, GSC3430Z03WW, GSC3500D00BB, GSC3500D35WW, GSC3500D50BB, GSC3500D55BB, GSC3500N00WW, GSC3500N15BB, GSC3500R00BB, GSC3500R20WW, GSC700T01AD, GSC700T02WH, GSC700X01AD, GSC720Y06AD, GSC800T01AD, GSC800T02WH, GSC820S04, GSC820S05, GSC870M02, GSC870M03, GSC900X04BA, GSC900X07BA, GSC900X08BA, GSD1000G00WW, GSD1000G03, GSD1000L01, GSD1000L02, GSD1000T01, GSD1005F00WW, GSD1100G00WW, GSD1100G02WW, GSD1100M20, GSD1120P25, GSD1120R45, GSD1125S48, GSD1130L01, GSD1130R35WA, GSD1130R45WA, GSD1150P25, GSD1150P35, GSD1180T64WW, GSD1180X66WW, GSD1200G01, GSD1200G02, GSD1200G07, GSD1200G08, GSD1200G20WW, GSD1200L02, GSD1200L05, GSD1200L08BW, GSD1200S02, GSD1200T01, GSD1200T60, GSD1200T64, GSD1200V01, GSD1200V04, GSD1230T55WW, GSD1230X66WW, GSD1235X66WW, GSD1236T62WW, GSD1236T64WW, GSD1250R35, GSD1250R45, GSD1350T55, GSD1350T62, GSD1350T64, GSD1350X66, GSD1350X72, GSD1380T55WW, GSD1380T64WW, GSD1380X66WW, GSD1380X72WW, GSD1410T60AA, GSD1410T64AA, GSD1420T01, GSD1420X66BB, GSD1425T60BA, GSD1425T64BA, GSD1430T60WW, GSD1435T55WW, GSD1435T60WW, GSD1821X66BB, GSD1900J04WH, GSD1910T62AA, GSD1910X66AA, GSD1920T55BB, GSD1920T60BB, GSD1920T65BB, GSD1930T55WW, GSD1930T62WW, GSD2000F02WH, GSD2000F03WH, GSD2000G00BB, GSD2000G00WW, GSD2000J20CC, GSD2000Z00AD, GSD2000Z01WH, GSD2000Z04AD, GSD2000Z07AD, GSD2001G02WW, GSD2001J01WW, GSD2001J04WW, GSD2001J20BB, GSD2020F00BB, GSD2020F02BB, GSD2020Z01BB, GSD2021F00BB, GSD2030F02WW, GSD2030Z01WW, GSD2050F01CC, GSD2100N00WW, GSD2100R00CC, GSD2100R15BB, GSD2100V35BB, GSD2100V35CC, GSD2100V50CC, GSD2100V55CC, GSD2100V65BB, GSD2101R00BB, GSD2101R15BB, GSD2101V55BB, GSD2130C04WW, GSD2130C05WW, GSD2200D02, GSD2200F00AD, GSD2200F00WH, GSD2200G00BB, GSD2200G00CC, GSD2200G00WW, GSD2200G01, GSD2200G02, GSD2200G20CC, GSD2200L02, GSD2200M20, GSD2200M25, GSD2200M35, GSD2200M49, GSD2200Z00WH, GSD2201F00WH, GSD2220Z00BB, GSD2220Z01BB, GSD2220Z05BB, GSD2230L35WA, GSD2230L45WA, GSD2230L48WA, GSD2230Z01WW, GSD2230Z07WW, GSD2231F00WW, GSD2300R20BB, GSD2301R20BB, GSD2301V35BB, GSD2335F00WW, GSD2340R00SA, GSD2340V35SA, GSD2350R00CS, GSD2400D02, GSD2400D03, GSD2400G02, GSD2400L01, GSD2400N00WW, GSD2422F00BB, GSD2432F00WW, GSD250001, GSD2600D02, GSD2600G00BB, GSD2600G01, GSD2600G02, GSD2600G02BB, GSD2600G02CC, GSD2600G02WW, GSD2600G20CC, GSD2625F00BB, GSD2700G02BB, GSD2700N10BB, GSD2700N10WW, GSD2800D01, GSD2800D03, GSD2800G02, GSD2800G03, GSD2800G06, GSD2800L01, GSD2800L02, GSD2800L04, GSD2800L20, GSD3000B01, GSD3000W01, GSD3000W03, GSD3000W14, GSD3100N00WW, GSD3115F00AA, GSD3130C07WW, GSD3135F00WW, GSD3200G00WW, GSD3200J20BB, GSD3210ZZ3AA, GSD3220F00BB, GSD3220Z02BB, GSD3220Z04BB, GSD3220Z07BB, GSD3230F00WW, GSD3230Z00WW, GSD3230Z05WW, GSD3260J00SS, GSD3260J20SS, GSD3300D00BB, GSD3300D35CC, GSD3300D45CC, GSD3300K55BB, GSD3300N10BB, GSD3300N10WW, GSD3300R00WW, GSD3300R15BB, GSD3300R15CC, GSD3300R15WW, GSD3300V00BB, GSD3301J45BB, GSD3301K00BB, GSD3301K55WW, GSD3310C05AA, GSD3310C06AA, GSD3320C04WW, GSD3360N20SS, GSD3361K70SS, GSD3400G00BB, GSD3420Z04BB, GSD3420Z05BB, GSD3420Z07BB, GSD3425F00BB, GSD3435F00WW, GSD3460G00SS, GSD3500G00BB, GSD3610F00AA, GSD3610Z00AA, GSD3610ZZ4AA, GSD3620Z07BB, GSD3620ZZ4BB, GSD3630Z01WW, GSD3715F00AA, GSD3732D00WW, GSD3735D00WW, GSD3755F00CC, GSD3800G00CC, GSD3810Z00AA, GSD3810Z04AA, GSD3820Z00BB, GSD3820Z05BB, GSD3830Z02WW, GSD3830Z05WW, GSD3900L20WW, GSD3910C02AA, GSD3910C04AA, GSD3910C07AA, GSD3920C04BB, GSD3930C02WW, GSD3930C04WW, GSD3960L20SS, GSD4000D00BB, GSD4000D00WW, GSD4000D35WW, GSD4000D45BB, GSD4000D50WW, GSD4000J00WW, GSD4000J20WW, GSD4000N20CC, GSD4000R15WW, GSD400T49WA, GSD400T60WA, GSD400T61WA, GSD4010Y74AA, GSD4010Z02AA, GSD4010Z07AA, GSD4020Y73BB, GSD4020Z02BB, GSD4030Z02WW, GSD4030Z05WW, GSD4030Z07WW, GSD4036Y70WW, GSD4060D00SS, GSD4060D35SS, GSD4060D45SS, GSD4060J20SS, GSD4060K55SS, GSD4060R15SS, GSD4060V00SS, GSD4100J00BB, GSD4100J00CC, GSD4112Z05AA, GSD4112Z07AA, GSD4114Z02AA, GSD4120Y73BB, GSD4122Z02BB, GSD4124Z02BB, GSD4130Y01WW, GSD4132Z02WW, GSD4132Z07WW, GSD4300L03WW, GSD4310Z04AA, GSD4320Z04BB, GSD4325Z02BB, GSD4330Y72WW, GSD4330Z02WW, GSD4330Z04WW, GSD4335Z02WW, GSD4525F00BB, GSD4610Z00AA, GSD4610Z02AA, GSD4620Z00BB, GSD4620Z02BB, GSD4630Z04WW, GSD4800G00CC, GSD4800G00WW, GSD4800J01BB, GSD4910Z02AA, GSD4920Z02BB, GSD4930Z02WW, GSD4930Z04WW, GSD500D03BA, GSD500D03BH, GSD500G01, GSD500G01AW, GSD500G01BH, GSD500G02AW, GSD500G02BA, GSD500G02WA, GSD500L01BA, GSD500L02BA, GSD500P25WA, GSD500P35BA, GSD500P35WA, GSD500P45AW, GSD500P45WA, GSD500P48AW, GSD500P49WA, GSD500T55BA, GSD500T60BA, GSD500X72BA, GSD5110D00AA, GSD5112F00AA, GSD5112F02AA, GSD5114D01AA, GSD5120D02BB, GSD5122F00BB, GSD5130D00WW, GSD5132F00WW, GSD5134D00WW, GSD5150F00CC, GSD5152F01CC, GSD5152F02CC, GSD5300G00WW, GSD5300G03BB, GSD5310D01AA, GSD5320D00BB, GSD5320D02BB, GSD5330D00WW, GSD5360F01SS, GSD5400G02WW, GSD5400G03BB, GSD5400G03WW, GSD540G01, GSD5500G01CC, GSD5500G01WW, GSD5500G03WW, GSD550T60BW, GSD550T64BW, GSD5600G01BB, GSD5600G01WW, GSD5600G03CC, GSD5620D01BB, GSD5620D02BB, GSD5630D02WW, GSD5640F00SS, GSD5650D01CC, GSD570R35BA, GSD570R45BA, GSD5720F00BB, GSD5760G00SS, GSD5800G02BB, GSD5800G02CC, GSD5800G03CC, GSD580K20, GSD580P35BA, GSD580P35WA, GSD580P49BA, GSD585S40BA, GSD585S45BA, GSD5860G03SS, GSD5900G00WW, GSD5900G03BB, GSD5900G03WW, GSD5910D00AA, GSD5910F00AA, GSD5920D00BB, GSD5930D00WW, GSD5950D00CC, GSD5950D01CC, GSD5960G02SS, GSD600G01, GSD600G01WA, GSD630P35WA, GSD630P52WA, GSD640D03, GSD640D04, GSD640L20, GSD640P36BA, GSD640P36WB, GSD640P48BA, GSD650L02, GSD650T60WB, GSD650T64WB, GSD650X71WB, GSD650X73WB, GSD680T55WW, GSD680X68WW, GSD680X71WW, GSD680X72WW, GSD700D01, GSD700G02, GSD700L03, GSD700L20, GSD700T55BA, GSD700T62BA, GSD700X68BA, GSD715X66AA, GSD715X71AA, GSD720P25BA, GSD720P45BA, GSD720X66WB, GSD720X71BA, GSD725S40BA, GSD725S45BA, GSD725X71WW, GSD730T64WW, GSD750T55BA, GSD750T60BA, GSD750T60WB, GSD750T62BA, GSD750T64WB, GSD780T55WW, GSD780T60WW, GSD780T64WW, GSD780X68WW, GSD790L01, GSD800M01, GSD800M02, GSD800T62BA, GSD800T64BA, GSD800X68BA, GSD806T60BA, GSD806T62BA, GSD806T64BA, GSD820P35, GSD820P35BA, GSD830P48WA, GSD830P52WA, GSD830T62WW, GSD830T64WW, GSD840P48, GSD850T55, GSD850T62, GSD850Y71, GSD880T64WW, GSD880Y72WW, GSD880Y73WW, GSD90003, GSD900G02, GSD900L01, GSD900L02WA, GSD900L20WA, GSD900X01, GSD900X03BA, GSD900XX01BA, GSD906X66BA, GSD906X72BA, GSD906X73BA, GSD936X73WW, GSD940L03, GSD940M20, GSD940P45, GSD950T64, GSD970M01, GSD980P35, GSD980X02, GSD980XX04WW, GSD990L01, GSD990L03, GSD990X01, GSDL112F00WW, GSDL112F01BB, GSDL132F00WW, GSDL322F01BB, GSDL332F00WW, GSDL332F01WW, GSDL632F00WW, GSDL632F01WW, GSM2100G05CC, GSM2100G05WW, GSM2100G20WW, GSM2100Z04WH, GSM2100ZZ0WH, GSM2100ZZ1WH, GSM2130D00WW, GSM2130F00WW, GSM2200N10CC, GSM2200V45WW, GSM2200V50WW, GSM2200V65BB, GSM2200V65WW, GSM2200V70WW, GSM2260N10SS, GSM2260N15SS, GSM2260V45SS, GSM603G02, GSM603L01, GSM603L20, GSM603P25AW, GSM603T55AW, GSM603X66AW, GSM603X73AW, HDA1000G02WH, HDA1000G20WH, HDA1000K02, HDA1000Z00WH, HDA1000Z02WH, HDA1000Z04WH, HDA1000Z05WH, HDA1000Z08WH, HDA1000Z11WH, HDA1000Z12WH, HDA100S45WA, HDA100S48BA, HDA100S48BW, HDA100S48WA, HDA100S55WA, HDA100V60WH, HDA100V61WH, HDA100V64WH, HDA100X73WH, HDA101Y66WH, HDA105Y73WH, HDA1100F00WH, HDA1100N00WH, HDA1100N15WH, HDA1100N30WH, HDA1100Z00WH, HDA1100Z01WH, HDA1100Z04WH, HDA1100Z05WH, HDA1100Z06WH, HDA1100Z07WH, HDA110S45BA, HDA110S45WA, HDA110S48WA, HDA110S55WA, HDA1200G02WW, HDA130S48WW, HDA150V60BW, HDA150V61BW, HDA150V61WA, HDA150V64BW, HDA150V64WA, HDA150X66AW, HDA150X66BW, HDA150X72AW, HDA150X72BW, HDA150X73AW, HDA180X73WW, HDA180XX01WW, HDA200001, HDA200002, HDA2000F00AD, HDA2000F00BB, HDA2000F01BB, HDA2000F01WH, HDA2000F02AD, HDA2000F02BB, HDA2000F03AD, HDA2000F03BB, HDA2000F03WH, HDA2000G00AA, HDA2000G00BB, HDA2000G00CC, HDA2000G00WW, HDA2000G01, HDA2000G02AA, HDA2000G02BB, HDA2000G02CC, HDA2000G02WW, HDA2000G04, HDA2000G04BB, HDA2000G04CC, HDA2000G04WW, HDA2000G20AA, HDA2000G20BB, HDA2000K01, HDA2000M35BA, HDA2000T00WW, HDA2000V00BB, HDA2000Z00AD, HDA2000Z02AD, HDA2000Z02WH, HDA2000Z05WH, HDA2000Z07AD, HDA200S45, HDA200S45BA, HDA200S48, HDA200V60BA, HDA200X71BA, HDA2020Z02BB, HDA2030M01, HDA2030M20, HDA2030Z04WW, HDA2030Z05WW, HDA2030Z07WW, HDA2040V00SA, HDA2100F01WW, HDA2100F03WW, HDA2100F04WW, HDA2100H45CC, HDA2100H50CC, HDA2100H55BB, HDA2100H55CC, HDA2100H55WW, HDA2100H65CC, HDA2100H70CC, HDA2100N00BB, HDA2100N10BB, HDA2100N10WW, HDA2100R00WW, HDA2100R15WW, HDA2100R20CC, HDA2100V00CC, HDA2100V35CC, HDA2100V35WW, HDA2120Z07BB, HDA2130Z01WW, HDA2130Z04WW, HDA2130Z05WW, HDA2160H35SS, HDA2160H45SS, HDA2160H55SS, HDA2160H70SS, HDA2200F01WW, HDA2220Z00BB, HDA2220Z02BB, HDA2220Z04BB, HDA2600K01, HDA2600K03, HDA2600K20, HDA300Y70BA, HDA300Y71BA, HDA3220Z00BB, HDA3220Z02BB, HDA3220Z04BB, HDA3220Z07BB, HDA3230Z00WW, HDA3230Z02WW, HDA3230Z04WW, HDA3230Z05WW, HDA3230Z07BB, HDA3400F00WW, HDA3400G00CC, HDA3400G00WW, HDA3400G05BB, HDA3420Z00BB, HDA3420Z02BB, HDA3420Z04BB, HDA3420Z05BB, HDA3420Z07BB, HDA3430Z00WW, HDA3430Z02WW, HDA3430Z04WW, HDA3430Z07WW, HDA3500F00AA, HDA3500F00WW, HDA3500N00CC, HDA3500N00WW, HDA3500N10WW, HDA3500N20BB, HDA3520Z02BB, HDA3520Z04BB, HDA3530Z02WW, HDA3530Z04WW, HDA3540N00SA, HDA3540N20SA, HDA3600D00BB, HDA3600D35BB, HDA3600H35BB, HDA3600H35WW, HDA3600H50BB, HDA3600H55WW, HDA3600K54BB, HDA3600K54WW, HDA3600K55BB, HDA3600K55WW, HDA3600K65BB, HDA3600K65WW, HDA3600N00BB, HDA3600N00WW, HDA3600N10BB, HDA3600N10CC, HDA3600N10WW, HDA3600N20BB, HDA3600N20CC, HDA3600N20WW, HDA3600R00CC, HDA3600R15WW, HDA3600R20BB, HDA3600R20WW, HDA3600V00CC, HDA3640D00SA, HDA3640N00SA, HDA3640N10SA, HDA3640R00SA, HDA3640R15SA, HDA3640R20SA, HDA3740G02SA, HDA3740G02SA1, HDA400S45BA, HDA400S48BA, HDA400S55BA, HDA400V60BA, HDA430S55WW, HDA430V60WW, HDA430V61WW, HDA430X66WW, HDA430X68WW, HDA48701BK, HDA487G01BK, HDA487G02, HDA487G02BK, HDA487K01, HDA487K01BK, HDA487K02, HDA489P35AW, HDA600S48BA, HDA829P25BA, HDA900V60BA, HDA900V61BA, HDA900X70BA, HDA930Y70WW, HDA969P25BA, HDA969P35BA, HDA999M20, HDA999M25BA, HDA999M35BA, HSM507G01, HSM507G02, LUD3100V57WB, LUD3100X66WB, MSD2100V45WW, MSD2100V50WW, PSD1000Z00WH, PSD100X73WH, PSD1060K02, PSD110S55BA, PSD200S45BA, PSD200V64BA, PSD200X68BA, PSD200X72BA, PSD2220Z01BB, PSD2220Z02BB, PSD2260K01, PSD300Y70BA, PSD300Y73BA, PSD3220Z00BB, PSD3220Z01BB, PSD3230Z00WW, PSD3230Z02WW, PSD330Y72WW, PSD3420Z02BB, PSD3430Z00WW, PSD3430Z02WW, PSD400S45BA, PSD400S48BA, PSD400S55BA, PSD400V61BA, PSD400X66BA, PSD400X68BA, PSD430X66WW, PSD430X68WW, PSD500S45, PSD500S48, PSD760K02, PSD765M25BA, PSD765M35BA, PSD900V64BA, PSD900X66BA, PSD930V60WW, PSD930V61WW, PSD965M35, RB628F1, VDF200PM55BB, VDF200PM55WW, VDF200PM65BB, VDF200PM65WW, VDF200PM70WW, ZBD3000P25BW, ZBD3000R36WB, ZBD3000R48BW, ZBD3100R45BW, ZBD3300R35WB, ZBD3500Z00WW, ZBD3500ZZ0WW, ZBD3500ZZ2BB, ZBD4200D00WW, ZBD4200D01WW, ZBD4500D01SS.
