Manufacturer
Husqvarna Replacement Parts

Model Number
ZTHQL4221A

Description
42 Inch Zero-turn Mower

Parts List

CategoryPart NumberDescriptionDemand
539991030
Husqvarna 1/2 Mach. Bushing
596437501
Husqvarna 1/4Y
539976828
Husqvarna Anti-scalp Roller
Pad539977778
Husqvarna Anti-skid PadY
539102809
Husqvarna Arm Cont. Shaft
539103576
Husqvarna Arm Park Brake
539102844
Husqvarna Arm Rest Cushion
539102590
Poulan Ball End Rt
539102591
Husqvarna Ball Joint Lh.
Battery539102463
Husqvarna Battery
539105162
Husqvarna Battery Guard W/decals
539102501
Husqvarna Battery Strap
Bearing539115279
Husqvarna BearingY
Bearing539102484
Husqvarna Bearing FlangeY
Bearing539105307
Husqvarna Bearing Roller 3 1/4Y
539104607
Husqvarna Bellcrank Lt.
539104606
Husqvarna Bellcrank Rt.
Belt, Pulley539103240
Husqvarna Belt
539105363
Husqvarna Belt Shield
Blade539103274
Husqvarna Blade 14.875
539104808
Husqvarna Blocks Pillow
596564404
Husqvarna Bolt Fin Hex 3/8-16 Unc X 2-1/Y
596564401
Husqvarna Bolt Hex 3/8-16 X 1
539103273
Husqvarna Brake Linkage
539103272
Husqvarna Brake Swivel
539103266
Husqvarna Brake Weldment Left
539103265
Husqvarna Brake Weldment Right
539104595
Husqvarna Bumper Front
539102519
Husqvarna Bushing
Bracket, Flange, Blade539101232
Husqvarna Bushing Flange
539103295
Husqvarna Bushing IdlerY
539923787
Poulan Bushing Machine
539103427
Husqvarna Bushing PivotY
539102758
Husqvarna Cable Negative
539101202
Husqvarna Cap Hydraulic
Cover,Cap539103178
Husqvarna Cap Ignition Nut
596039401
Husqvarna Carriage BoltY
539105435
Husqvarna Center Baffle
Pin539977703
Husqvarna Clevis PinY
539107410
Husqvarna Complete Housing
539102817
Husqvarna Compression Spring
539104190
Husqvarna Cont. Lever
Control539102733
Husqvarna Control Choke
539103249
Husqvarna Control Weldment Left
539103248
Husqvarna Control Weldment Right
539990365
Husqvarna Cotter Pin 1/8 X 3/4
539990297
Husqvarna Cotterpin
Washer539100132
Husqvarna Crankshaft Washer
539102515
Husqvarna Cushion Handle
539102720
Husqvarna DampenerY
539100361
Husqvarna Danger Decal
539103333
Husqvarna Decal
539102669
Husqvarna Decal Battery
539105078
Husqvarna Decal Console
539103581
Husqvarna Decal Console
539100344
Husqvarna Decal Danger
539102670
Husqvarna Decal Fuel Line
539104804
Husqvarna Decal Husqvarna
539104787
Husqvarna Decal Husqvarna
539104205
Husqvarna Decal Locator
539105071
Husqvarna Decal Nascar
539102892
Husqvarna Decal No Step
596024201
Husqvarna Decal Prop 65
539104789
Husqvarna Decal Small Crown
539913010
Husqvarna Decal WarningY
539104833
Husqvarna Decal Zth4218
539105602
Husqvarna Decal Zth4221
539104835
Husqvarna Decal Zth4818
539104836
Husqvarna Decal Zth4820
539105077
Husqvarna Decal Zth4821
539105371
Husqvarna Deck
539105361
Husqvarna Deflector Chute
539102592
Husqvarna Drive Lever Cushion
Ring596671501
Husqvarna E-ring 1/2-Inch
539101802
Husqvarna E-ring 7/8
539100128
Husqvarna Ecal Exhaust
539103245
Husqvarna Electric Clutch
539105119
Husqvarna Engine Guard W/decals
539101238
Husqvarna F6801-6-6-0
Filter539102606
Husqvarna FilterY
539101165
Husqvarna Filter Head
Bracket, Flange, Blade596039201
Husqvarna Flange NutY
539103242
Husqvarna Footplate
539105121
Husqvarna Frame
539105120
Husqvarna Frame
539102681
Husqvarna Fuel Line Engine
539115707
Husqvarna Fuel Line Tank
Tank539104409
Husqvarna Fuel Tank Lt
539104410
Husqvarna Fuel Tank Rt
539102679
Husqvarna Fuel Valve
539102086
Husqvarna Fuse 20 Amp 32V Ato
539101771
Husqvarna Fuse 75 Amp 32V Ato
539990550
Husqvarna Fw 1/2 Std
539976526
Husqvarna Grip
539101050
Husqvarna Grip Vinyl
539102587
Poulan Grommet Bumper
539101332
Husqvarna Hcs 1/2-13 X 2 3/4Y
539103433
Husqvarna Hcs 1/2C X 3-1/4Y
539101907
Husqvarna Hcs 1/2Cx5 1/2Y
539990548
Husqvarna Hcs 1/4-20X1
539990072
Husqvarna Hcs 1/4-20X5/8
539990655
Husqvarna Hcs 3/8-16 X 1 1/2
596583901
Husqvarna Hcs 3/8-16 X 1 3/4Y
539990588
Husqvarna Hcs 3/8-16 X 2
596434201
Husqvarna Hcs 3/8-16 X 2 1/2Y
539101341
Husqvarna Hcs 3/8-16 X 3Y
539990591
Husqvarna Hcs 3/8Cx4 1/2
539990627
Husqvarna Hcs 5/16-18 X 1 1/4Y
596030501
Husqvarna Hcs 5/16-18 X 3/4Y
539103304
Husqvarna Hcs 5/16C Special
539103468
Husqvarna Hcs 5/16C X 2 3/4 Grade 8
539101721
Poulan Hcs 5/16C X 2-3/4
539103299
Husqvarna Hcs 5/8-18 X 1 1/4
539991120
Husqvarna Hcs 7/16 X 2 1/2
539100141
Husqvarna Hcs 7/16-20 X 1 1/2
594944601
Husqvarna Hcs 7/16Cx1 1/2
Washer596770301
Husqvarna Heavy WasherY
Cover,Cap596580801
Husqvarna Hex Cap Screw 5/16-18 X 1Y
539990411
Husqvarna Hex Capscrew #10-24X1/2
539991073
Husqvarna Hex Jam Nut 5/16-24 Lh Grade 5
Nut539101468
Husqvarna Hex Slotted Nut
539990622
Husqvarna Hfcs 1/2-13 X 1 1/4 Whizlk
596917701
Poulan Hitch PinY
Pipe, Tube, Hose, Fitting539102650
Husqvarna Hose Barb
Pipe, Tube, Hose, Fitting539912222
Husqvarna Hose Clamp
576179401
Husqvarna Hour MeterY
539102673
Husqvarna Housing
539103244
Husqvarna Hub
539103230
Husqvarna Idler Arm
539103252
Husqvarna Idler Arm Weldment
539976695
Husqvarna Idler Flange Bushing
539102759
Poulan Insulator
539101177
Husqvarna Key
539101465
Husqvarna Key #808 Woodruff
539101995
Husqvarna Key 1/4 Sqx1 1/8";
539104812
Husqvarna Key Padded Grip
539102070
Husqvarna Knob Three Prong
539102563
Husqvarna Lanyard
Washer539990122
Craftsman Lawn Tractor Washer
539103320
Husqvarna Left Inside Tube
539103321
Husqvarna Left Outside Tube
539104201
Husqvarna Lever Wldmt
539102565
Husqvarna Lift Arm
Lift539102641
Husqvarna Lift Chain
539104608
Husqvarna Lift Wldmt.
539104222
Husqvarna Link
539104204
Husqvarna Locator Wldmt
539990247
Husqvarna Lock Washer 7/16
596564801
Husqvarna Lockwasher 1/4
539102050
Husqvarna Mach. Bushing
539991050
Husqvarna Mach. Bushing 3/4
539102675
Husqvarna Mach. Busing 10Ga.
539102244
Husqvarna Mach. Busing 18Ga.Y
539105439
Husqvarna Main Baffle
539103255
Husqvarna Motor Standoff
Nut582478602
Husqvarna NutY
Nut596135601
Husqvarna Nut 1/2-13 Hex NylocY
Nut587653903
Husqvarna Nut 1/2-20 Hex LugY
Nut539990761
Husqvarna Nut 1/4-20 Centerlock
Nut596040801
Husqvarna Nut 10-24 NylocY
Nut595305901
Husqvarna Nut 3/8-16 CenterlockY
Nut596583501
Husqvarna Nut 3/8-16 Hex Whizlk
596582601
Poulan Nut 5/16-18 Hex
539990223
Husqvarna Nut 5/16F
Nut596577901
Husqvarna Nut 7/16-14 Hex Whizlk
539990839
Husqvarna Nut 7/16C Center Lock
Nut596580701
Husqvarna Nut Hexagon Nut 5/16-18 X 1/2
539103177
Husqvarna Nut Ignition Switch
539105087
Husqvarna Pigtail
Pin596273101
Husqvarna Pin HairY
539103534
Husqvarna Pin Mount Upper
539103533
Husqvarna Pin Retaining Screw
539104197
Husqvarna Pipe Strut Mount
539103429
Husqvarna Pivot Bushing
Pin539102619
Husqvarna Pivot Pin Weldment
539103574
Husqvarna Pivot Shaft
Cooking Plate539102678
Husqvarna Plate Screw
Cooking Plate584392702
Husqvarna Plate Support
539102757
Husqvarna Pos. Cable
586108201
Husqvarna Positive Cable Long
Switch582107601
Husqvarna Power Take-off SwitchY
Belt, Pulley539103283
Husqvarna Pulley
539103259
Husqvarna Pulley
539101176
Husqvarna Pulley
Belt, Pulley596739801
Husqvarna Pulley IdlerY
Belt, Pulley539103258
Husqvarna Pulley IdlerY
Belt, Pulley539103257
Husqvarna Pulley IdlerY
539101111
Husqvarna Pump
Pump539103241
Husqvarna Pump BeltY
539103264
Husqvarna Pump Control Link
539104382
Husqvarna Pump Lever
539105164
Husqvarna Rear Tire Asm. Complete
Relay539102914
Husqvarna Relay
539103315
Husqvarna Return Tee Assembly
Spring539103297
Husqvarna Rev. Detent Spring
539103319
Husqvarna Right Inside Tube
539103318
Husqvarna Right Outside Tube
539106994
Husqvarna Rim
539105166
Husqvarna Rim
539104600
Husqvarna Rim
539103498
Husqvarna Rim Gray
539101151
Poulan Ring Retaining Ext 7/8
539101082
Poulan Roll Pin 3/16";
539103437
Husqvarna Roller Axle
Screw874780528
Husqvarna Screw
Screw596039001
Husqvarna ScrewY
539104199
Husqvarna Screw
539102617
Husqvarna Screw 10-24 X 7/8
Screw596230901
Husqvarna Screw External Hexagon Head 1/
539102717
Husqvarna Screw SetY
539103664
Husqvarna Seal Kit
539112281
Husqvarna Seat
539104565
Husqvarna Seat Back Cushion
539102794
Husqvarna Seat Bumper
539102539
Husqvarna Seat Cushion
539103247
Husqvarna Seat Lanyard
539103288
Husqvarna Seat Mount
539105294
Husqvarna Seat Rails
539991034
Husqvarna Self-tapping Washer Head Screw 10-24 X 5/8
596583101
Husqvarna Serrated Head BoltY
Solenoid539101714
Husqvarna SolenoidY
Spacer539105543
Husqvarna SpacerY
539103543
Husqvarna Spacer
Spacer539102676
Husqvarna SpacerY
539101720
Husqvarna Spacer
539100097
Husqvarna Spacer
539103290
Husqvarna Spindle
Spring539103256
Husqvarna SpringY
Spring539102845
Husqvarna SpringY
539102796
Husqvarna Spring
Spring539102642
Husqvarna Spring
Spring539101058
Husqvarna Spring Compression
539102587
Craftsman Stop
Connector539103316
Husqvarna Straight Connector
Connector539101237
Husqvarna Straight Connector
539101236
Husqvarna Straight Connector
539108351
Husqvarna Strut - Left
539108350
Husqvarna Strut - Rt
539102502
Poulan Stud 5/16C
539103314
Husqvarna Suction Tee Assembly
539101770
Husqvarna Switch Ignition
Switch539101080
Husqvarna Switch Interlock (Clutch)Y
Tank539130394
Husqvarna Tank CapY
539103326
Husqvarna Tank Hose
539103336
Husqvarna Tank Hydraulic
539991055
Husqvarna Tapbolt 5/16C X 2.25
539104533
Husqvarna Tension Bracket
539102337
Husqvarna Tension Rod
539103275
Husqvarna Throttle Cable
539103251
Husqvarna Tie Down
Clutch539106819
Husqvarna Tie Down Clutch
539105165
Husqvarna Tire
539103497
Husqvarna Tire
539103495
Husqvarna Tire
539104591
Husqvarna Tire Assembly Rear (Complete)
539106993
Husqvarna Tire Complete
539114697
Husqvarna Tire. 11
539101983
Husqvarna Turnbuckle
539912234
Husqvarna Valve Stem
596565301
Poulan WasherY
Washer597338501
Husqvarna Washer 1/4Y
Washer596433701
Husqvarna Washer 3/8 FlatY
Washer596134901
Husqvarna Washer 5/16 Std FltY
539990333
Husqvarna Washer 5/8 Slw
Washer539102843
Husqvarna Washer 7/16 Spring
Washer596238801
Husqvarna Washer Lock Hvy Hlcl Spr 5/16Y
Washer539102593
Husqvarna Washer Spring 3/8
539104614
Husqvarna Weight Block
539102705
Husqvarna Wheel Motor
539976856
Poulan Wire Tie
539103276
Husqvarna Wiring Harness
539104589
Husqvarna Yoke Weldment
596899901
Husqvarna ZerkY
596623501
Husqvarna Zerk
539103300
Husqvarna ZerkY

About Husqvarna

With over 330 years of innovation and passion, Husqvarna provides professionals and consumers with forest, park, lawn and garden products. We let high performance meet usability and safety, making you ready to get the job done efficiently. Husqvarna offers a wide and growing range of products and accessories, including everything from chainsaws and trimmers to innovative robotic lawn mowers.