Husqvarna Parts

Husqvarna String Trimmer Replacement Parts For Model 543RS

We Sell Only Genuine Husqvarna Parts

Popular Parts for 543RS

Search Within Model

Questions & Answers for Husqvarna 543RS
Browse all Parts Search by Area
 Diagram and Parts List for  Husqvarna Trimmer
Previous
Showing All Parts
Next
 Diagram and Parts List for  Husqvarna Trimmer
  • Handle bracket assy 243r – Part Number: 577983001
    Handle bracket assy 243r
    Part Number: 577983001
      No Longer Available
  • Cover engine – Part Number: 579349501
    Cover engine
    Part Number: 579349501
      No Longer Available
  • Turning knob gz40n7 – Part Number: 577979801
    Turning knob gz40n7
    Part Number: 577979801
      No Longer Available
  • Screw – Part Number: 577815701
    Screw
    Part Number: 577815701
      Special Order
    $17.92
  • Plate – Part Number: 578115301
    Plate
    Part Number: 578115301
      Special Order
    $5.96
  • Decal recoil – Part Number: 578420601
    Decal recoil
    Part Number: 578420601
      No Longer Available
  • Lever throttle – Part Number: 577815801
    Lever throttle
    Part Number: 577815801
      No Longer Available
  • Air filter cover assy gz40n7 – Part Number: 577980001
    Air filter cover assy gz40n7
    Part Number: 577980001
      No Longer Available
  • Lever – Part Number: 577807201
    Lever
    Part Number: 577807201
      No Longer Available
  • Piston – Part Number: 577639801
    Piston
    Part Number: 577639801
      Special Order
    $106.87
  • Handle – Part Number: 537160203
    Handle
    Part Number: 537160203
      In Stock
    $33.96
  • Handle – Part Number: 537160301
    Handle
    Part Number: 537160301
      Special Order
    $31.25
  • Throttle Lock – Part Number: 537160703
    Throttle Lock
    Part Number: 537160703
      Special Order
    $10.46
  • Spring – Part Number: 537174201
    Spring
    Part Number: 537174201
      In Stock
    $7.46
  • Spring – Part Number: 537174301
    Spring
    Part Number: 537174301
      In Stock
    $5.95
  • Bolt – Part Number: 544362701
    Bolt
    Part Number: 544362701
      Special Order
    $5.95
  • Trimmer Nut – Part Number: 731231401
    Trimmer Nut
    Part Number: 731231401
    ★★★★★
    ★★★★★
    (2)
      In Stock
    $5.95
  • Handle – Part Number: 537172802
    Handle
    Part Number: 537172802
      Special Order
    $10.46
  • Shoe comp – Part Number: 521636401
    Shoe comp
    Part Number: 521636401
      Special Order
    $56.11
  • Shaft assy throttle – Part Number: 578895501
    Shaft assy throttle
    Part Number: 578895501
      No Longer Available
  • Gasket – Part Number: 577804101
    Gasket
    Part Number: 577804101
      Special Order
    $8.96
  • Gasket – Part Number: 585996601
    Gasket
    Part Number: 585996601
      Special Order
    $8.96
  • Transport Guard – Part Number: 544359101
    Transport Guard
    Part Number: 544359101
      In Stock
    $17.92
  • Tank assy – Part Number: 577509803
    Tank assy
    Part Number: 577509803
      No Longer Available
  • Cover – Part Number: 577806901
    Cover
    Part Number: 577806901
      No Longer Available
  • Element – Part Number: 577926701
    Element
    Part Number: 577926701
      Special Order
    $10.46
  • Gasket – Part Number: 577673801
    Gasket
    Part Number: 577673801
      Special Order
    $5.96
  • Insulator – Part Number: 576685801
    Insulator
    Part Number: 576685801
      Special Order
    $17.92
  • Cylinder comp – Part Number: 577409502
    Cylinder comp
    Part Number: 577409502
      Special Order
    $100.93
  • Spring – Part Number: 578912801
    Spring
    Part Number: 578912801
      Special Order
    $5.96
  • Needle h – Part Number: 578913101
    Needle h
    Part Number: 578913101
      Special Order
    $29.88
  • Housing – Part Number: 576685501
    Housing
    Part Number: 576685501
      Special Order
    $22.40
  • Coil – Part Number: 582501201
    Coil
    Part Number: 582501201
      Special Order
    $78.35
  • Spring – Part Number: 578895401
    Spring
    Part Number: 578895401
      In Stock
    Minimum Quantity of 2 required
    $5.96
  • Bracket assy – Part Number: 575778801
    Bracket assy
    Part Number: 575778801
      No Longer Available
  • Gasket – Part Number: 577882402
    Gasket
    Part Number: 577882402
      In Stock
    Minimum Quantity of 2 required
    $5.98
  • Bolt – Part Number: 577942001
    Bolt
    Part Number: 577942001
      Special Order
    Minimum Quantity of 2 required
    $5.95
  • Pulley assy – Part Number: 521624601
    Pulley assy
    Part Number: 521624601
      Special Order
    $40.75
  • Crank shaft assy – Part Number: 521623901
    Crank shaft assy
    Part Number: 521623901
      No Longer Available
  • Throttle cable assy – Part Number: 522036701
    Throttle cable assy
    Part Number: 522036701
      No Longer Available
  • Plate – Part Number: 521656001
    Plate
    Part Number: 521656001
      Special Order
    $5.95
  • Pipe l70 – Part Number: 577509501
    Pipe l70
    Part Number: 577509501
      Special Order
    $7.46
  • Spring – Part Number: 521523401
    Spring
    Part Number: 521523401
      Special Order
    $10.20
  • Bolt – Part Number: 506745201
    Bolt
    Part Number: 506745201
      In Stock
    Minimum Quantity of 2 required
    $5.96
  • Bolt Torx – Part Number: 506745601
    Bolt Torx
    Part Number: 506745601
      In Stock
    Minimum Quantity of 2 required
    $5.95
  • Chainsaw Fuel Filter – Part Number: 591375401
    $13.42
  • Socket – Part Number: 506686101
    Socket
    Part Number: 506686101
      Special Order
    $8.96
  • Hook-Cpl. – Part Number: 502022802
    Hook-Cpl.
    Part Number: 502022802
      Special Order
    $44.84
  • Spring – Part Number: 506655201
    Spring
    Part Number: 506655201
      Special Order
    Minimum Quantity of 2 required
    $5.95
  • Start/stop Switch – Part Number: 503718201
    Start/stop Switch
    Part Number: 503718201
    ★★★★★
    ★★★★★
    (1)
      In Stock
    $19.40
  • Screw – Part Number: 504119601
    Screw
    Part Number: 504119601
      Special Order
    $5.78
  • Bevel Gear Grease – Part Number: 503976401
    Bevel Gear Grease
    Part Number: 503976401
      In Stock
    $22.48
  • Ring – Part Number: 504121001
    Ring
    Part Number: 504121001
      Special Order
    $5.95
  • Sealing – Part Number: 504121501
    Sealing
    Part Number: 504121501
      In Stock
    $11.92
  • Stopper – Part Number: 504117901
    Stopper
    Part Number: 504117901
      In Stock
    $5.95
  • Bearing – Part Number: 504121401
    Bearing
    Part Number: 504121401
      Special Order
    $12.74
  • Throttle Control – Part Number: 506497701
    Throttle Control
    Part Number: 506497701
    ★★★★★
    ★★★★★
    (1)
      In Stock
    $13.46
  • Cap-U – Part Number: 505294901
    Cap-U
    Part Number: 505294901
      No Longer Available
  • Clip – Part Number: 506707001
    Clip
    Part Number: 506707001
    ★★★★★
    ★★★★★
    (1)
      On Order
    $5.95
  • Bolt Torx M5xl20 T27 – Part Number: 506689001
    Bolt Torx M5xl20 T27
    Part Number: 506689001
      Special Order
    $5.96
  • Gromet – Part Number: 506615901
    Gromet
    Part Number: 506615901
      Special Order
    $5.95
  • Driver – Part Number: 506689501
    Driver
    Part Number: 506689501
      Special Order
    $7.46
  • Washer – Part Number: 505298101
    Washer
    Part Number: 505298101
      Special Order
    $5.95
  • Seal – Part Number: 505296701
    Seal
    Part Number: 505296701
      Special Order
    $10.46
  • Clip – Part Number: 505056501
    Clip
    Part Number: 505056501
      Special Order
    $5.96
  • Needle Bearing – Part Number: 505297301
    Needle Bearing
    Part Number: 505297301
      Special Order
    $10.46
  • Screw – Part Number: 505297801
    Screw
    Part Number: 505297801
      Special Order
    $7.46
  • Bar – Part Number: 505312001
    Bar
    Part Number: 505312001
      Special Order
    $5.95
  • Snap Ring – Part Number: 502849301
    Snap Ring
    Part Number: 502849301
      Special Order
    $5.95
  • Nut – Part Number: 503221013
    Nut
    Part Number: 503221013
      Special Order
    $5.95
  • Air Filter Oil – Part Number: 596287501
    Air Filter Oil
    Part Number: 596287501
      Special Order
    $47.53
  • Strap – Part Number: 503734102
    Strap
    Part Number: 503734102
      Special Order
    $22.40
  • Buckle – Part Number: 503734001
    Buckle
    Part Number: 503734001
      Special Order
    $22.40
  • Line Cutter – Part Number: 503798802
    Line Cutter
    Part Number: 503798802
    ★★★★★
    ★★★★★
    (1)
      In Stock
    $8.95
  • Clamp fuel l – Part Number: 580396301
    Clamp fuel l
    Part Number: 580396301
      No Longer Available
  • Filter – Part Number: 506746801
    Filter
    Part Number: 506746801
      In Stock
    $8.10
  • Rotor – Part Number: 583918901
    Rotor
    Part Number: 583918901
      Special Order
    $74.73
  • Shaft 848jjc58e0 – Part Number: 505294401
    Shaft 848jjc58e0
    Part Number: 505294401
      No Longer Available
  • Screw Ihsct, Mt4 X 18 10.9, Zn – Part Number: 503216674
    Screw Ihsct, Mt4 X 18 10.9, Zn
    Part Number: 503216674
      Special Order
    $5.98
  • Bearing – Part Number: 505170201
    Bearing
    Part Number: 505170201
      Special Order
    $11.92
  • Tool Bag – Part Number: 501192201
    Tool Bag
    Part Number: 501192201
      Special Order
    $17.92
  • Screw Ihscfm – Part Number: 503200782
    Screw Ihscfm
    Part Number: 503200782
      Special Order
    $5.95
  • Bearing,12mm id,28mm od, 8mm w – Part Number: 516130001
    Bearing,12mm id,28mm od, 8mm w
    Part Number: 516130001
      Special Order
    $13.42
  • Ball – Part Number: 514242601
    Ball
    Part Number: 514242601
      Special Order
    $10.46
  • Ring – Part Number: 516283001
    Ring
    Part Number: 516283001
      Special Order
    $5.95
  • Bolt m4 x 25 – Part Number: 521515801
    Bolt m4 x 25
    Part Number: 521515801
      Special Order
    $5.95
  • Choke spring – Part Number: 514243301
    Choke spring
    Part Number: 514243301
      Special Order
    $10.46
  • Valve, throttle – Part Number: 514251901
    Valve, throttle
    Part Number: 514251901
      No Longer Available
  • Packing – Part Number: 506744301
    Packing
    Part Number: 506744301
      Special Order
    Minimum Quantity of 2 required
    $5.95
  • Bolt Torx – Part Number: 512845701
    Bolt Torx
    Part Number: 512845701
      Special Order
    $5.95
  • Pin – Part Number: 521522701
    Pin
    Part Number: 521522701
      Special Order
    $8.96
  • Ring – Part Number: 516124101
    Ring
    Part Number: 516124101
      Special Order
    Minimum Quantity of 2 required
    $5.95
  • BOLT TORX – Part Number: 521515501
    BOLT TORX
    Part Number: 521515501
      Special Order
    $5.95
  • Cover – Part Number: 514189201
    Cover
    Part Number: 514189201
      Special Order
    $11.92
  • Purge – Part Number: 513789301
    Purge
    Part Number: 513789301
      In Stock
    $17.92
  • Bolt m5x25 – Part Number: 521516901
    Bolt m5x25
    Part Number: 521516901
      Special Order
    $5.95
  • Decal recoil gz40n7 – Part Number: 577979401
    Decal recoil gz40n7
    Part Number: 577979401
      No Longer Available
  • Spring – Part Number: 577815501
    Spring
    Part Number: 577815501
      Special Order
    $5.96
  • Decal name – Part Number: 578420901
    Decal name
    Part Number: 578420901
      No Longer Available
  • Valve choke – Part Number: 579367101
    Valve choke
    Part Number: 579367101
      No Longer Available
  • Nut Blade – Part Number: 502291101
    Nut Blade
    Part Number: 502291101
    ★★★★★
    ★★★★★
    (2)
      In Stock
    $11.95
  • Valve, Inlet – Part Number: 521085401
    Valve, Inlet
    Part Number: 521085401
      Special Order
    $17.92
  • Needle l – Part Number: 578912901
    Needle l
    Part Number: 578912901
      No Longer Available
  • Cap limiter – Part Number: 578913001
    Cap limiter
    Part Number: 578913001
      Special Order
    $26.88
  • Snap – Part Number: 537387201
    Snap
    Part Number: 537387201
      In Stock
    $5.97
  • Screw – Part Number: 537189501
    Screw
    Part Number: 537189501
      In Stock
    $5.98
  • Splash Guard – Part Number: 537396307
    Splash Guard
    Part Number: 537396307
      Special Order
    $62.27
  • Label – Part Number: 589295101
    Label
    Part Number: 589295101
      Special Order
    $10.46
  • Drum – Part Number: 591425801
    Drum
    Part Number: 591425801
      Special Order
    $42.07
  • Cap-l z354314121 – Part Number: 505294801
    Cap-l z354314121
    Part Number: 505294801
      No Longer Available
  • Label – Part Number: 521553601
    Label
    Part Number: 521553601
      Special Order
    $5.95
  • Bracket z354314112 – Part Number: 505294701
    Bracket z354314112
    Part Number: 505294701
      No Longer Available
  • Handle System Assembly – Part Number: 537424513
    Handle System Assembly
    Part Number: 537424513
      Special Order
    $78.35
  • Dethatcher Hus Shoulder Strap w/Sign – Part Number: 537216202
    Dethatcher Hus Shoulder Strap w/Sign
    Part Number: 537216202
      In Stock
    $14.92
  • Harness Assembly – Part Number: 537216301
    Harness Assembly
    Part Number: 537216301
      No Longer Available
  • CARBURETOR ASSEMBLY WTEA-7B – Part Number: 577992806
    CARBURETOR ASSEMBLY WTEA-7B
    Part Number: 577992806
      Special Order
    $106.87
  • Key – Part Number: 506689401
    Key
    Part Number: 506689401
      In Stock
    $5.95
  • Guard.Tank – Part Number: 510173001
    Guard.Tank
    Part Number: 510173001
      No Longer Available
  • Retainer – Part Number: 544124501
    Retainer
    Part Number: 544124501
      Special Order
    $14.92
  • Splash Guard – Part Number: 537331607
    Splash Guard
    Part Number: 537331607
      Special Order
    $54.35
  • Bolt – Part Number: 515390701
    Bolt
    Part Number: 515390701
      Special Order
    $5.95
  • Spring – Part Number: 513593201
    Spring
    Part Number: 513593201
      Special Order
    $7.46
  • Screw – Part Number: 515367101
    Screw
    Part Number: 515367101
      Special Order
    $5.95
  • Bolt – Part Number: 515391301
    Bolt
    Part Number: 515391301
      Special Order
    $5.95
  • Leaf Blower Tank Cap Assembly – Part Number: 504117701
    Leaf Blower Tank Cap Assembly
    Part Number: 504117701
      In Stock
    $17.92
  • Throttle Lockout – Part Number: 506495101
    Throttle Lockout
    Part Number: 506495101
      Special Order
    $5.96
  • Diaphragm pump – Part Number: 520954901
    Diaphragm pump
    Part Number: 520954901
      Special Order
    $11.92
  • Throttle control assy 243r 253 – Part Number: 522520702
    Throttle control assy 243r 253
    Part Number: 522520702
      No Longer Available
  • Guard – Part Number: 515412601
    Guard
    Part Number: 515412601
      No Longer Available
  • Ring – Part Number: 506738601
    Ring
    Part Number: 506738601
      Special Order
    Minimum Quantity of 2 required
    $5.95
  • Knob – Part Number: 521617901
    Knob
    Part Number: 521617901
      Special Order
    $17.92
  • Gasket tr – Part Number: 521622001
    Gasket tr
    Part Number: 521622001
      Special Order
    $5.96
  • DISCONTINUED – Part Number: 520759801
    DISCONTINUED
    Part Number: 520759801
      Special Order
    $5.95
  • Cap – Part Number: 521610001
    Cap
    Part Number: 521610001
      Special Order
    $10.46
  • Crankcase assy – Part Number: 521623502
    Crankcase assy
    Part Number: 521623502
      Special Order
    $68.50
  • Pin – Part Number: 520977401
    Pin
    Part Number: 520977401
      In Stock
    $7.46
  • Plate – Part Number: 521623301
    Plate
    Part Number: 521623301
      No Longer Available
  • Holder-A – Part Number: 515369401
    Holder-A
    Part Number: 515369401
      Special Order
    $8.96
  • Nut – Part Number: 504118001
    Nut
    Part Number: 504118001
      In Stock
    $5.95
  • Screw – Part Number: 520976301
    Screw
    Part Number: 520976301
      Special Order
    $5.95
  • Washer – Part Number: 516524201
    Washer
    Part Number: 516524201
      Special Order
    $5.95
  • Bolt – Part Number: 523019001
    Bolt
    Part Number: 523019001
      Special Order
    $5.95
  • Bracket – Part Number: 537172901
    Bracket
    Part Number: 537172901
      In Stock
    $7.46
  • Guide – Part Number: 521623401
    Guide
    Part Number: 521623401
      No Longer Available
  • Gasket – Part Number: 521623601
    Gasket
    Part Number: 521623601
      Special Order
    $5.95
  • Screw kit – Part Number: 520978801
    Screw kit
    Part Number: 520978801
      Special Order
    $5.95
  • Sparkplug – Part Number: 528074001
    Sparkplug
    Part Number: 528074001
    ★★★★★
    ★★★★★
    (5)
      In Stock
    $11.92
  • Label – Part Number: 505295801
    Label
    Part Number: 505295801
      Special Order
    $5.98
  • Spacer – Part Number: 588171401
    Spacer
    Part Number: 588171401
      Special Order
    $5.95
  • Gasket – Part Number: 520954801
    Gasket
    Part Number: 520954801
      In Stock
    $17.92
  • Cord assy – Part Number: 577574901
    Cord assy
    Part Number: 577574901
      Special Order
    $5.95
  • Decal name gz40n7 – Part Number: 577979301
    Decal name gz40n7
    Part Number: 577979301
      No Longer Available
  • Knob – Part Number: 577133101
    Knob
    Part Number: 577133101
      Special Order
    $5.95
  • Diaphragm – Part Number: 577807001
    Diaphragm
    Part Number: 577807001
      In Stock
    $26.88
  • Shaft assy choke – Part Number: 577816401
    Shaft assy choke
    Part Number: 577816401
      No Longer Available
  • Pipe comp – Part Number: 577509902
    Pipe comp
    Part Number: 577509902
      No Longer Available
  • Muffler assy – Part Number: 577980301
    Muffler assy
    Part Number: 577980301
      No Longer Available

Questions & Answers

?

Our customer Service team is at the ready daily to answer your part and product questions.

We're sorry, but our Q&A experts are temporarily unavailable.
Please check back later if you still haven't found the answer you need.

Ask our Team

We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.