Manufacturer
Husqvarna Replacement Parts

Model Number
RZ4221BF

Description
42 Inch Zero-turn Mower

Parts List

CategoryPart NumberDescriptionDemand
596580601
Husqvarna #2 HairpinY
596437501
Husqvarna 1/4Y
539932956
Husqvarna 10"; Gas Line
539104993
Husqvarna 14"; Gas Line
539101350
Husqvarna 3/8Cx3 Tap Bolt
532198316
Husqvarna Adapter Harness
522599003
Husqvarna Adapter Oil Drain
Pad539977778
Husqvarna Anti-skid PadY
574693302
Husqvarna Arm Brake
532400130
Husqvarna Arm Brake MowerY
574694505
Husqvarna Arm IdlerY
574497504
Husqvarna Arm Idler
539112198
Husqvarna Arm IdlerY
531169201
Poulan Arm Suspension Rod Kit RearY
576660702
Husqvarna Assembly
Deck531167001
Husqvarna Baffle VortexY
539102590
Poulan Ball End Rt
Battery539110068
Husqvarna Battery Cable NegativeY
579411601
Husqvarna Battery Dry. (Acid Needs To Be Puchased Locally)
Battery539107628
Craftsman Battery Hold Down Bracket
Bearing539131518
Husqvarna Bearing FlangeY
Bearing539112660
Husqvarna Bearing FlangedY
525580201
Husqvarna Bellcrank Brake
Belt, Pulley574173003
Husqvarna BeltY
Belt, Pulley539110411
Husqvarna BeltY
Belt, Pulley575754602
Husqvarna Belt Sheild Rt
539112240
Husqvarna Belt Shield Lh
539112238
Husqvarna Belt Shield Rh
Belt, Pulley575754502
Husqvarna Belt Shield Rt
Blade539112078
Husqvarna Blade 14-5/8 InchesY
Blade532193003
Husqvarna Blade Bolt And Washer AssemblyY
577251801
Husqvarna Block Tracking
874780844
Husqvarna Bolt
874780564
Poulan Bolt
874760620
Husqvarna Bolt
872141608
Husqvarna Bolt
817490642
Husqvarna Bolt
596230901
Poulan Bolt
595901601
Husqvarna BoltY
592858702
Husqvarna Bolt
581332806
Husqvarna BoltY
574822701
Husqvarna Bolt
539107632Jonsered Bolt - 1/4-20 X 7.5
539108461
Husqvarna Bolt 1-20 X 3/4 HwstY
539107476
Poulan Bolt 3/8-16 X 1 Thd Frm
539113621
Husqvarna Bolt 3/8-16 X 3/8
596240701
Husqvarna Bolt 5/16 ShoulderY
510422701
Husqvarna Bolt 5/16-18 X 21/2 Rd Hd
539107475
Husqvarna Bolt 5/16-18 X 3/4 Thd FrmY
596564404
Husqvarna Bolt Fin Hex 3/8-16 Unc X 2-1/Y
596564401
Husqvarna Bolt Hex 3/8-16 X 1
596218601
Poulan Bolt Hex 5/16-18 X 2-3/4
595901501
Poulan Bolt Rdhd Sqnk 5/16-18 Unc X 1
510231302
Poulan Box Battery Black
Bracket, Flange, Blade580806602
Husqvarna Bracket
Bracket, Flange, Blade586737202
Husqvarna Bracket Control
525605502
Husqvarna Bracket Front Deck
525864502
Poulan Bracket Fuel Tank Black
539110342
Husqvarna Brake Rod Spring
532192557
Husqvarna Brkt Deflector 38Y
539119087
Poulan Bushing
539120956
Poulan Bushing / Id X 3/4 Od
539117901
Craftsman Bushing Caster
596841501
Husqvarna Bushing IdlerY
539115270
Poulan Bushing Metal
539103427
Husqvarna Bushing PivotY
539109368
Poulan Bushing Plastic
510207301
Husqvarna Button PushY
522941101
Craftsman Bypass Linkage
Clutch532193235
Husqvarna Cable Clutch 38-Inch ServicY
522730101
Husqvarna Cable Throttle
Lens539110056
Husqvarna Camera Lens Colored LeftY
Lens539110057
Husqvarna Camera Lens Colored RightY
539119884
Poulan Cap Spring
539976938
Poulan Capscrew
596582201
Husqvarna Capscrew 5/16 X 1/1/2 Hex Hea
596039401
Husqvarna Carriage BoltY
539115747
Husqvarna Caster Spring
Control539112439
Husqvarna Choke ControlY
539101363
Poulan Clamp
575436501
Poulan Clamp HoseY
Clutch575661501
Husqvarna Clutch Assembly With Cable
Clutch532414336
Husqvarna Clutch Electric
522442506
Husqvarna Clutch Stop Ogr Blk
Disc539120080
Husqvarna Cog Brake DiscY
532124181
Husqvarna Compression Spring Seat Black
Cooking Plate539112413
Husqvarna Confinement Plate
539112735
Poulan Console Plate Painted
876020412
Husqvarna Cotter Pin
539990365
Husqvarna Cotter Pin 1/8 X 3/4
539116689
Husqvarna Coupler End Rod
539114453
Husqvarna Dampener
539102720
Husqvarna DampenerY
581724301
Husqvarna Danger Decal
586046701
Husqvarna Decal
581724401
Husqvarna Decal
581153301
Husqvarna Decal
539103333
Husqvarna Decal
532428676
Husqvarna Decal
529527001
Husqvarna Decal Battery Warning
546540601
Husqvarna Decal Belt RoutingY
Belt, Pulley539112620
Craftsman Decal Belt Routing
525814301
Poulan Decal Blade Engage
574754301
Husqvarna Decal Control Panel
532124433
Husqvarna Decal Dba
525814201
Poulan Decal Deck Height
539108385
Husqvarna Decal Do Not Tow
539110279
Husqvarna Decal Ecm Australia
539108386
Husqvarna Decal Exiting Mower
521980501
Husqvarna Decal Height
Hood532423829
Husqvarna Decal Hood Cust Resp
539120006
Husqvarna Decal Park Brake
580941902
Husqvarna Decal Rz4221
539109908
Husqvarna Decal Safety Warning
539105746
Husqvarna Decal SeveringY
586342501
Husqvarna Decal Start
585142601
Husqvarna Decal Tracking
539113224
Husqvarna Decal Warning
539913010
Husqvarna Decal WarningY
539113213
Husqvarna Decal Warnings
Deck539117245
Husqvarna Deck BeltY
575699801
Husqvarna Deck W/ Safety Decals
574761802
Husqvarna Deck W/safety Decals
595297001
Husqvarna Deflector RodY
539110731
Husqvarna Discharge ChuteY
594919101
Husqvarna Display
539115729
Husqvarna End Rod Rh
539111976
Poulan Engine Bolt Special
578156302
Husqvarna Engine Plate
539114530
Husqvarna Engine Pulley
581726501
Husqvarna Exhaust Pipe Assembly
581726401
Husqvarna Exhaust Pipe Assembly
Blade539120785
Craftsman Fan Blade
578178901
Husqvarna Fender
539130374
Husqvarna Fender LeftY
525594702
Husqvarna Fender Lh
525594701
Husqvarna Fender Rh
874780648
Husqvarna Finished Hex Bolt 3/8-16 X 3.Gr5
Bracket, Flange, Blade596039201
Husqvarna Flange NutY
Bracket, Flange, Blade596134801
Husqvarna Flange Top Lock NutY
Belt, Pulley539110311
Husqvarna Flat Idler PulleyY
Foam539110290
Husqvarna Foam Strip
Pad539121322
Husqvarna Foot Pad
574356002
Husqvarna Foot Rest
522719504
Husqvarna Foot Rest Org
510177603
Husqvarna Frame
Frame589283302
Husqvarna Frame Front Lt OrgY
Frame589283402
Husqvarna Frame Front Rt Org
525454702
Husqvarna Frame Tube Lh
525454902
Husqvarna Frame Tube Rh
Lift581506902
Husqvarna Front Mower Lift Link SuspensiY
575018101
Husqvarna Fuel Cap Sealed With Tether
576660602
Husqvarna Fuel Line 48";
Tank599306302
Husqvarna Fuel Tank AssemblyY
539916325
Husqvarna Fuel Valve
539990550
Husqvarna Fw 1/2 Std
Grease595281301
Husqvarna Grease CapY
539120899
Husqvarna Grip
532196492
Husqvarna Grip
539120921
Poulan Grip Brake Handle
Handle510207201
Husqvarna Grip HandleY
539102587
Poulan Grommet Bumper
584648201
Husqvarna Grommet Check ValveY
574354702
Husqvarna Guard Rear
584989802
Husqvarna Guard.muffler.black
575952201
Poulan Guide Belt
525851801
Poulan Guide Belt
525485602
Poulan Handle Brake
525580402
Poulan Handle Lift
Handle595088102
Husqvarna Handle Slide SeatY
585727701
Husqvarna Harness
539991003
Poulan Hcs /-20 X 1-3/4
539101332
Husqvarna Hcs 1/2-13 X 2 3/4Y
539103433
Husqvarna Hcs 1/2C X 3-1/4Y
596583901
Husqvarna Hcs 3/8-16 X 1 3/4Y
596918101
Husqvarna Hcs 3/8-16 X 1-3/4
539990588
Husqvarna Hcs 3/8-16 X 2
539109389
Husqvarna Hcs 3/8-16 X 3 1/2 Gr5Y
539990134
Husqvarna Hcs 3/8-16 X 3/4
539108503
Husqvarna Hcs 3/8-16X5/8Y
539976937
Poulan Hcs 5/16-18 X 2
Screw596437101
Husqvarna Hcs 5/16-18 X 2-1/2
596030501
Husqvarna Hcs 5/16-18 X 3/4Y
539101721
Poulan Hcs 5/16C X 2-3/4
574882801
Poulan Hcs 7/16-20 X 4
539130671
Husqvarna Headlight Reflector Right
Shield539132859
Husqvarna Heat Shield
522559101
Craftsman Heat Shield
Washer596770301
Husqvarna Heavy WasherY
Cover,Cap596580801
Husqvarna Hex Cap Screw 5/16-18 X 1Y
539990411
Husqvarna Hex Capscrew #10-24X1/2
817490408
Husqvarna Hex Capscrew 1/4-20
584953901
Husqvarna Hex Head BoltY
539991073
Husqvarna Hex Jam Nut 5/16-24 Lh Grade 5
Nut596583702
Husqvarna Hex NutY
539110674
Husqvarna Hex Washer Screw #10-12 X 1-1/2
510375601
Poulan Hg_ezt Lt
510375602
Husqvarna Hg_ezt Rt
539120079
Husqvarna Hg_kit Brake Arm (Ezt)Y
575507001
Husqvarna Hg_kit Hydro-gear HubY
596319901
Husqvarna Hhb 5/16-18 X 1 Nyloc
539121486
Husqvarna Hose 1/4 X 2
539115736
Poulan Hose 1/4 X 8
Pipe, Tube, Hose, Fitting584825501
Husqvarna Hose Assembly
Pipe, Tube, Hose, Fitting539912222
Husqvarna Hose Clamp
Pipe, Tube, Hose, Fitting574521305
Husqvarna Hose Fuel 3/16"; X 20"
583593901
Husqvarna Idler ArmY
Belt, Pulley539919078
Husqvarna Idler PulleyY
Belt, Pulley589766102
Husqvarna Idler PulleyY
Spindle539101231
Husqvarna Idler SpindleY
Ignition532140401
Husqvarna Ignition KeyY
539102759
Poulan Insulator
Switch532176138
Husqvarna Interlock SwitchY
539990053
Husqvarna It Lockwasher 1/4
577209101
Husqvarna Keeper
532400140
Poulan Keeper Mandrel Pulley
539917033
Poulan Key / Sq X 2-1/2 Lg
596400701
Husqvarna KnobY
539133049
Husqvarna KnobY
539132624
Craftsman Knob Clutch
597783101
Husqvarna Knob W/studY
539115247
Poulan L-rod 3 78";
Hood581627301
Husqvarna LabelY
539990208
Craftsman Lawn Tractor Bolt
Washer539990122
Craftsman Lawn Tractor Washer
Lever576140301
Husqvarna Lever ControlY
Lever577420002
Husqvarna Lever HandleY
539120160
Husqvarna Lever Upper
574216604
Husqvarna Lifting Arm Weldment Black
521938102
Husqvarna Link Front SuspY
587623001
Husqvarna Link Rear Suspension Rod KitY
525583701
Poulan Linkage Brake Lt
525583601
Poulan Linkage Brake Rt
574694601
Poulan Linkage Deck Brake
525735701
Husqvarna Linkage Upper
Lock596238701
Husqvarna Lock WasherY
Lever539120162
Husqvarna Lower Lever Lh
539120159
Poulan Lower Lever Rh
587819701
Husqvarna Mandrel AssemblyY
Bearing532110485
Husqvarna Mandrel Ball BearingY
Deck539112170
Husqvarna Mandrel Deck AssemblyY
Belt, Pulley532195945
Husqvarna Mandrel PulleyY
Spacer532187690
Husqvarna Mandrel Spacer WasherY
522443304
Poulan Mount Strut Lt Black
522443302
Poulan Mount Strut Rt Black
581726301
Husqvarna Muffler Assembly
510260402
Husqvarna Muffler Bracket Black
Blade532134149
Husqvarna Mulching BladeY
Axle, Roller, Shaft Wheel532176066
Husqvarna Nose RollerY
Nut582478602
Husqvarna NutY
510184901
Husqvarna NutY
Nut597357701
Husqvarna Nut /-20 Jam
539108010
Craftsman Nut 1-13 Jam Nyloc Gr 2
Nut596135601
Husqvarna Nut 1/2-13 Hex NylocY
Nut587653903
Husqvarna Nut 1/2-20 Hex LugY
Nut596040801
Husqvarna Nut 10-24 NylocY
Nut521996502
Husqvarna Nut 3/8-16 Flange NylocY
596582601
Poulan Nut 5/16-18 Hex
Nut594944401
Husqvarna Nut 5/16-18 NylocY
539990223
Husqvarna Nut 5/16F
539110340
Poulan Nut 5/8-11 Nyloc
Nut595901901
Husqvarna Nut 7/16-14 Hex NylocY
Nut589464902
Husqvarna Nut 7/16-20Y
573975201
Husqvarna Nut 7/16-20 Hex Nyloc
Nut596230801
Husqvarna Nut Hex. 3/8-16 Nylon - ThinY
Nut596040501
Husqvarna Nut LockY
Nut539200100
Husqvarna Nut/4-13 CtrlkY
Nut596240901
Husqvarna Nyloc Hex NutY
576414602
Husqvarna Pan
Pan596768801
Husqvarna Pan SeatY
525598601
Husqvarna Panel Control Blk
575661302
Husqvarna Panel Seat Support
Pen510016503
Husqvarna Pen
522598601
Husqvarna Pigtail
Pin595935501
Husqvarna Pin Clevis 5/16 X 5Y
Pin596273101
Husqvarna Pin HairY
539120220
Husqvarna Pivot Brake Arm
539120983
Poulan Pivot Lh
539120984
Husqvarna Pivot Rh
Cooking Plate580528002
Husqvarna Plate
Cooking Plate575327002
Husqvarna Plate
510206703
Poulan Plate Brake Door Latch Black
Cooking Plate510240502
Husqvarna Plate Deck Height Black
Kit598712401
Husqvarna Plate Foot W/decals
575328302
Husqvarna Plate Lt Org
Cooking Plate510261802
Husqvarna Plate Outer Brake Blk
575328402
Husqvarna Plate Rt Org
Cooking Plate539102678
Husqvarna Plate Screw
574356302
Husqvarna Plate Seat
596301001
Poulan Plug Caster
539104974
Poulan Positive Cable Long
586108201
Husqvarna Positive Cable Long
Switch582107601
Husqvarna Power Take-off SwitchY
Belt, Pulley532177968
Husqvarna PulleyY
574382001
Poulan Pulley Engine
Belt, Pulley539120812
Husqvarna Pulley IdlerY
Belt, Pulley525348501
Husqvarna Pulley MandrelY
539107629
Poulan Push Nut Nylon
Coupling532416405
Husqvarna Quick Connect CouplingY
Spring532165898
Husqvarna Retainer SpringY
539990074
Husqvarna Rhsnb 1/4-20 X 3/4 Gr2
539111785
Poulan Rhsnb 3/8-16 X 3/4
539100413
Craftsman Rhsnb.3/8-16
539110455
Husqvarna Rim Headlight LeftY
539110451
Husqvarna Rim Headlight RightY
539105069
Craftsman Ring-e 5
574356601
Poulan Rod Brake
Latch583629301
Husqvarna Rod Door Latch ReleaseY
588692502
Husqvarna Rod End Male LhY
596930401
Husqvarna Rod Ezt Brake LtY
596930701
Husqvarna Rod Ezt Brake RtY
Handle510422902
Husqvarna Rod Handle ReleaseY
580624201
Poulan Rod Motion ControlY
Axle, Roller, Shaft Wheel594092501
Husqvarna Rod Roller NoseY
539101082
Poulan Roll Pin 3/16";
576601501
Husqvarna Roundhead Squareneck Bolt 1/2-13 X 7.5
539990645
Husqvarna Roundhead Squareneck Bolt 3/8C X 1 Gr.5
539105974
Husqvarna Rubber Grommet
Rubber539105245
Husqvarna Rubber GrommetY
539108535
Husqvarna Scr #10-24X3/4
Screw596039001
Husqvarna ScrewY
Screw532137729
Husqvarna ScrewY
Screw874780640
Husqvarna Screw
Screw874780528
Husqvarna Screw
Screw596434801
Husqvarna Screw
Screw578296402
Husqvarna Screw
Screw539111229
Husqvarna Screw 1/4-20 X 5/8 Btn
Screw817120616
Husqvarna Screw 3/8-16 X 1Y
Screw576850402
Husqvarna Screw 5/16-18 X 1 Btn Hd
Screw596230901
Husqvarna Screw External Hexagon Head 1/
539110673
Craftsman Screw.10-12x
532439822
Husqvarna SeatY
574356402
Husqvarna Seat Support Rear
539991034
Husqvarna Self-tapping Washer Head Screw 10-24 X 5/8
596583101
Husqvarna Serrated Head BoltY
539109897
Craftsman Service Decal
Shaft597023501
Husqvarna Shaft AssemblyY
580435801
Poulan Shaft Assembly Brake Med Blk
Shaft574356802
Husqvarna Shaft Lift
Shield532403004
Husqvarna Shield-deflectorY
Sleeve532105304
Husqvarna Sleeve CapY
Solenoid539101714
Husqvarna SolenoidY
Solenoid582042802
Husqvarna SolenoidY
539114387
Husqvarna Spacer
Spacer580486102
Husqvarna Spacer
Spacer539105543
Husqvarna SpacerY
Spacer577094601
Craftsman Spacer Hub PulleyY
Spacer584927201
Husqvarna Spacer Pivot ControlY
Spacer593852803
Husqvarna Spacer TubeY
Spacer532199092
Husqvarna Spacer-retainerY
539101224
Poulan Spring
Spring596482001
Husqvarna SpringY
Spring576850301
Husqvarna SpringY
Spring539103256
Husqvarna SpringY
Spring539102845
Husqvarna SpringY
539116350
Poulan Spring 3-1/2
Spring510030702
Husqvarna Spring CompressionY
Spring532198200
Husqvarna Spring Door Latch SeatY
Spring532196105
Husqvarna Spring DriveY
Spring532401872
Husqvarna Spring ReturnY
Spring539122632
Husqvarna Spring SeatY
Spring539107609
Husqvarna Spring TorsionY
Spring596646001
Husqvarna Spring TorsionY
Tank532139277
Husqvarna Stem Tank FuelY
539102587
Craftsman Stop
574191002
Poulan Stop Seat
539117950
Husqvarna Stop Steer Cntrl Lh
539117949
Poulan Stop Steer Cntrl Rh
531167701
Husqvarna Stripper MandrelY
593824001
Husqvarna Stud FastnerY
580308202
Husqvarna Support
580806502
Husqvarna Support Ezt FrtY
510225902
Poulan Support Fender Black
589761211
Husqvarna Support Seat Org
525798402
Poulan Support Tank Black
Switch581429301
Husqvarna Switch
Switch532175566
Husqvarna Switch IgnitionY
Switch539113792
Husqvarna Switch InterlockY
Switch539101080
Husqvarna Switch Interlock (Clutch)Y
Switch539132140
Husqvarna Switch Seat N/cY
539118179
Poulan Swivel
539114789
Husqvarna SwivelY
539112308
Poulan Swivel Brake
Tank576646403
Husqvarna Tank Assembly Fuel
539116400
Husqvarna Terminal Cover
532131563
Husqvarna Terminal Cover Red
539990362
Husqvarna Tfs 1/4-20 X 5/8Y
539112734
Husqvarna Throttle CableY
Battery539131209
Husqvarna Tie Down BatteryY
Pipe, Tube, Hose, Fitting598851704
Husqvarna Tube Rz Control Lever Left MsY
Clip539104763
Husqvarna U-clip 5/16-18 Nut RetainerY
576618101
Husqvarna Valve Fuel CheckY
596565301
Poulan WasherY
539115546
Poulan Washer
819212113
Husqvarna Washer
Washer734115201
Husqvarna WasherY
Washer596319801
Husqvarna WasherY
Washer532126197
Husqvarna Washer 1-1/2 Od X 15/32 Id X .Y
Washer595316401
Husqvarna Washer 1/2 FlatY
Washer595086801
Husqvarna Washer 1/2 SaeY
Washer539990055
Husqvarna Washer 1/4 Flat Sae
Washer819131316
Craftsman Washer 13/32 X 13/16 X 16 Ga.
Washer596433701
Husqvarna Washer 3/8 FlatY
Washer539109562
Husqvarna Washer 3/8 X 3/4 SpecY
Washer596134901
Husqvarna Washer 5/16 Std FltY
Washer539976982
Husqvarna Washer 5/8 SaeY
539911121
Poulan Washer 5/A Belleville
Washer539102843
Husqvarna Washer 7/16 Spring
Washer539133007
Husqvarna Washer 825Y
Washer539102998
Husqvarna Washer Friction
Washer539112670
Husqvarna Washer HeavyY
Washer596238801
Husqvarna Washer Lock Hvy Hlcl Spr 5/16Y
Washer596582301
Husqvarna Washer Shim 1/4 X 5/8 X .062Y
539115570
Husqvarna Washer Special
Washer596204101
Husqvarna Washer-15x7.3x1.6Y
539111897
Craftsman Washer-3/8.s
532415598
Husqvarna Washout PortY
Axle, Roller, Shaft Wheel581199701
Husqvarna Wheel 11 X 4-5Y
Axle, Roller, Shaft Wheel576588602
Husqvarna Wheel AssemblyY
576588802
Husqvarna Yoke Caster Weldmt Raw
596899901
Husqvarna ZerkY
539103300
Husqvarna ZerkY
Drive539115638
Husqvarna Zerk 3/16 Drive In

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.