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Exploded diagrams & genuine Husqvarna parts
Common replacements
Spark plug
SPARK PLUG
531008615
Air filter
AIR FILTER ASSY
505126304
Fuel filter
FUEL FILTER
503443203
Starter rope
STARTER ROPE
505305125
Chain catcher
CHAIN CATCHER
537377902
Sprocket / drum
CLUTCH DRUM ASSY
575261005
Chain tensioner
CHAIN TENSIONER KIT
575260404
Gasket kit
GASKET KIT
575270003
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | AIR FILTER ASSY · Nylon Mesh - 80 Micron Rating - Black - s/n up to - 20202699999 | 505126304 | 1 | Buy |
| 1 | AIR FILTER ASSY · Nylon Mesh - 44 Micron Rating - Yellow - s/n up to - 20202699999 | 505126305 | 1 | Not stocked |
| 1 | AIR FILTER ASSY · Non-Woven - White - s/n up to - 20202699999 | 505126306 | 1 | Buy |
| 1 | AIR FILTER · Nylon Mesh - 25 Micron Rating - Orange - s/n up to - 20202699999 | 505126307 | 1 | Buy |
| 1 | AIR FILTER · Nylon Mesh - 64 Micron Rating - Black - s/n from 20202700001 - | 590458801 | 1 | Buy |
| 1 | AIR FILTER · Nylon Mesh - 25 Micron Rating - Yellow - s/n from 20202700001 - | 590458802 | 1 | Buy |
| 1 | AIR FILTER ASSY · Non-Woven - Clear - s/n from 20202700001 - | 590458803 | 1 | Buy |
| 2 | FILTER HOLDER ASSY · s/n up to - 20202699999 | 525397905 | 1 | Not stocked |
| 2 | FILTER HOLDER ASSY · s/n from 20202700001 - | 597275501 | 1 | Not stocked |
| 3 | SHACKLE · s/n up to - 20202699999 | 505176901 | 1 | Buy |
| 4 | CHOKE CONTROL ASSY | 510017202 | 1 | Buy |
| 5 | SCREW | 505156201 | 1 | Buy |
| 6 | SEALING | 525588101 | 1 | Buy |
| 7 | PURGE | 503936601 | 1 | Buy |
| 8 | SCREW ITXSCM | 574353503 | 2 | Not stocked |
| 9 | FUEL HOSE · s/n from 20173800688 | 525344303 | 1 | Buy |
| 9 | VENTILATING HOSE · s/n up to - 20154500384 | 589357101 | 1 | Buy |
| 9 | VENTILATING HOSE · s/n from 20154500385 | 587645404 | 1 | Not stocked |
| 10 | CARBURETTOR · s/n up to - 20121499999 (ZAMA EL44) | 579194101 | 1 | Buy |
| 10 | CARBURETTOR KIT · From s/n 20121500001- | 501463308 | 1 | Buy |
| 11 | SCREW ITXSCM | 526818101 | 4 | Buy |
| 12 | FLANGE | 505165202 | 1 | Not stocked |
| 13 | SQUARE NUT | 503226503 | 2 | Buy |
| 14 | INLET PIPE | 583964103 | 1 | Not stocked |
| 14 | INLET PIPE · Cold resistant | 583964104 | 1 | Not stocked |
| 15 | INTERMEDIATE WALL | 520290901 | 1 | Buy |
| 16 | SEALING | 525619201 | 1 | Buy |
| 17 | SEALING | 525619001 | 1 | Buy |
| 18 | FUEL HOSE | 523056801 | 1 | Buy |
| 20 | WIRING ASSY · s/n from 20121500001 - | 577536401 | 1 | Buy |
| 21 | SUPPORT SLEEVE | 582025101 | 1 | Not stocked |
| 22 | FILTER UNIT | 598934501 | 1 | Buy |
| 23 | HEXAGON NUT · s/n from 20202700001 - | 731231401 | 1 | Buy |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | FILTER UNIT | 598934701 | 1 | Not stocked |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | MUFFLER KIT | 581914802 | 1 | Buy |
| 2 | SCREW CRPANM | 724128759 | 1 | Buy |
| 3 | SPARK ARRESTER | 505171301 | 1 | Not stocked |
| 4 | SCREW ITXSCM · s/n from 20132500001 - | 525825106 | 2 | Buy |
| 5 | SLEEVE · s/n up to - 20132499999 | 577656301 | 2 | Buy |
| 6 | GASKET | 581918501 | 1 | Not stocked |
| 7 | HEAT DEFLECTOR | 585178701 | 1 | Not stocked |
| 8 | WASHER · s/n up to - 20132499999 | 577902201 | 2 | Buy |
| 9 | SCREW ITXSCM | 525762501 | 2 | Buy |
| 10 | GASKET KIT · A=set of gaskets | 575270003 | 1 | Buy |
| 11 | SCREW IHSCM · s/n up to - 20132499999 | 725537655 | 2 | Buy |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | CARBURETTOR AREA BASE | 588193901 | 1 | Not stocked |
| 2 | SCREW ITXSCFM | 525755202 | 4 | Buy |
| 3 | SUPPORT | 503869301 | 2 | Not stocked |
| 4 | BELLOWS | 581559201 | 1 | Not stocked |
| 5 | CRANKCASE ASSY | 575380224 | 1 | Not stocked |
| 6 | CHAIN GUIDE PLATE | 505201101 | 1 | Buy |
| 7 | SCREW ITXPANM | 575793501 | 2 | Buy |
| 8 | FILTER | 537403501 | 1 | Not stocked |
| 9 | CHECK VALVE | 530026119 | 1 | Buy |
| 10 | SPRING GUIDE | 537210701 | 1 | Buy |
| 11 | POSITION SPRING | 503436501 | 1 | Buy |
| 12 | CATCH | 505201201 | 1 | Buy |
| 13 | PIN | 503751801 | 1 | Buy |
| 14 | GUIDE BUSHING | 593806001 | 2 | Buy |
| 15 | BAR BOLT | 505217301 | 2 | Buy |
| 16 | SCREW ITXSCM | 525824401 | 2 | Not stocked |
| 17 | SCREW ITXSCM | 575841104 | 6 | Not stocked |
| 19 | SPIKE | 577935201 | 1 | Buy |
| 20 | CHAIN CATCHER | 537377902 | 1 | Buy |
| 21 | SCREW ITXSCFT | 525798103 | 1 | Buy |
| 22 | DEFLECTION LIMITER | 505125801 | 1 | Buy |
| 23 | SNAP LOCKING | 595303003 | 1 | Buy |
| 24 | AIR NOZZLE | 588065501 | 1 | Not stocked |
| 25 | SCREW ITXSCM | 526818101 | 1 | Buy |
| 26 | TANK CAP ASSY | 522620003 | 1 | Not stocked |
| 27 | GASKET | 589241101 | 1 | Buy |
| 28 | HOLDER | 503578901 | 1 | Buy |
| 29 | RADIAL SEAL · - up to s/n 20202399999 | 525391201 | 1 | Buy |
| 30 | SCREW CITXPANT | 525887401 | 1 | Buy |
| 31 | GASKET KIT · A=set of gaskets | 575270003 | 1 | Buy |
| 32 | ENCLOSED KIT | 574889801 | 1 | Not stocked |
| 33 | PROTECTIVE CAP · - up to s/n 20224908629 | 596911301 | 1 | Not stocked |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | SPARK PLUG | 531008615 | 1 | Buy |
| 2 | SCREW | 582392701 | 4 | Not stocked |
| 3 | DECOMPRESSION VALVE | 575276901 | 1 | Buy |
| 4 | PLUG | 503552201 | 1 | Buy |
| 5 | SLEEVE | 576717602 | 4 | Buy |
| 6 | GASKET | 510164901 | 1 | Buy |
| 7 | CYLINDER ASSY | 575355806 | 1 | Buy |
| 8 | PISTON ASSY | 584807806 | 1 | Buy |
| 9 | PISTON RING | 505215701 | 1 | Buy |
| 10 | SNAP RING | 737441000 | 2 | Buy |
| 11 | NEEDLE BEARING | 503256302 | 1 | Not stocked |
| 12 | GASKET KIT · A=set of gaskets | 575270003 | 1 | Buy |
| 13 | BUSHING | 520291101 | 1 | Buy |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | CRANKSHAFT ASSY · - up to s/n 20202399999 | 575545214 | 1 | Not stocked |
| 2 | BALL BEARING | 505133505 | 1 | Not stocked |
| 3 | BALL BEARING | 525434204 | 1 | Not stocked |
| 4 | NEEDLE BEARING | 503256302 | 1 | Not stocked |
| 5 | RADIAL SEAL · - up to s/n 20202399999 | 525391201 | 1 | Buy |
| 6 | RADIAL SEAL | 505416101 | 1 | Not stocked |
| 7 | CRANKSHAFT ASSY · s/n from 20202400001 - | 575545218 | 1 | Not stocked |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | CLUTCH ASSY | 589809002 | 1 | Buy |
| 2 | CLUTCH SPRING · s/n from 20164100193 - | 502164701 | 3 | Buy |
| 2 | CLUTCH SPRING · s/n from 20132500001 - up to s/n 20164100192 | 580653502 | 3 | Buy |
| 3 | CLUTCH DRUM ASSY · - up to s/n 20202200048 ".325" x7" | 575261005 | 1 | Buy |
| 3 | CLUTCH DRUM · - up to s/n 20202200048 "3/8" x7" | 575261006 | 1 | Buy |
| 3 | CLUTCH DRUM ASSY | 575261009 | 1 | Not stocked |
| 3 | CLUTCH DRUM ASSY | 575261010 | 1 | Not stocked |
| 4 | RIM SPROCKET · .325"x7 | 501457402 | 1 | Not stocked |
| 4 | RIM SPROCKET · 3/8"x7 | 501598002 | 1 | Not stocked |
| 5 | NEEDLE BEARING | 503253401 | 1 | Buy |
| 6 | WORM WHEEL · - up to s/n 20202200048 | 505200801 | 1 | Buy |
| 6 | WORM WHEEL · s/n from 20202200049 - ".325"" | 586201701 | 1 | Not stocked |
| 6 | WORM WHEEL · s/n from 20202200049 - "3/8"" | 587633001 | 1 | Not stocked |
| 7 | OIL PUMP ASSY | 505199908 | 1 | Not stocked |
| 8 | PUMP PISTON | 505200202 | 1 | Not stocked |
| 9 | CASING | 505200301 | 1 | Buy |
| 10 | WASHER | 503230060 | 2 | Buy |
| 11 | SPRING | 503891601 | 1 | Buy |
| 12 | ADJUSTMENT SCREW | 505157001 | 1 | Buy |
| 14 | SCREW ITXSCM | 526818102 | 2 | Not stocked |
| 15 | OIL HOSE | 505200402 | 1 | Buy |
| 16 | OIL PLUMMET | 504710003 | 1 | Buy |
| 17 | PARALLEL PIN | 720123300 | 2 | Not stocked |
| 18 | SPRING | 503891501 | 1 | Buy |
| 19 | PUMP CYLINDER | 505200101 | 1 | Buy |
| 20 | SEALING PLUG | 503624902 | 1 | Buy |
| 21 | CLUTCH DRUM ASSY | 598937705 | 1 | Not stocked |
| 21 | CLUTCH DRUM ASSY | 598937707 | 1 | Not stocked |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | HAND GUARD | 505200902 | 1 | Buy |
| 2 | SCREW | 526834501 | 2 | Buy |
| 3 | BUSHING | 577780201 | 2 | Not stocked |
| 4 | NUT | 505197301 | 2 | Buy |
| 5 | CLUTCH COVER ASSY | 501846104 | 1 | Buy |
| 6 | PIN | 503751801 | 1 | Buy |
| 7 | SCREW CITXPANT | 526221801 | 5 | Buy |
| 8 | KNEE JOINT ASSY | 505199301 | 1 | Buy |
| 9 | BRAKE SPRING | 503908301 | 1 | Buy |
| 10 | BRAKE BAND ASSY | 505199502 | 1 | Buy |
| 11 | GUARD | 505201601 | 1 | Buy |
| 12 | COVER | 505199703 | 1 | Buy |
| 14 | LABEL · - up to s/n 20202399999 | 523058001 | 1 | Buy |
| 15 | CHAIN TENSIONER KIT | 575260404 | 1 | Buy |
| 16 | O-RING | 740480702 | 1 | Buy |
| 17 | WASHER | 503230063 | 1 | Buy |
| 20 | BEARING SLEEVE | 537017401 | 1 | Buy |
| 22 | CHAIN GUIDE | 505199801 | 1 | Buy |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | IGNITION MODULE ASSY · s/n up to - 20121499999 (14MHz) | 522795107 | 1 | Not stocked |
| 1 | IGNITION MODULE · s/n from 20121500001 - (8MHz) | 596214001 | 1 | Not stocked |
| 2 | SPARK PLUG CAP ASSY | 501485404 | 1 | Buy |
| 3 | SCREW ITXSCFM | 525755203 | 2 | Buy |
| 4 | WIRING ASSY · s/n up to - 20121499999 (14MHz) | 575430601 | 1 | Buy |
| 4 | WIRING ASSY · s/n from 20121500001 - (8MHz) | 577967601 | 1 | Not stocked |
| 5 | CABLE HOLDER | 505178201 | 1 | Buy |
| 6 | NUT | 585321801 | 1 | Not stocked |
| 7 | FLYWHEEL ASSY | 504872403 | 1 | Buy |
| 8 | WASHER | 503230042 | 2 | Buy |
| 9 | SPRING | 501673501 | 2 | Buy |
| 10 | PAWL | 501673201 | 2 | Buy |
| 11 | SCREW | 506006901 | 2 | Buy |
| 12 | CABLE COVER | 504043505 | 1 | Buy |
| 13 | SHRINKAGE HOSE | 503238501 | 2 | Buy |
| 14 | SCREW CITXPANT | 525887401 | 1 | Buy |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | CARBURETTOR · s/n up to - 20121499999 (ZAMA EL44) | 579194101 | 1 | Buy |
| 1 | CARBURETTOR KIT | 501463308 | 1 | Buy |
| 4 | DIAPHRAGM | 522517401 | 1 | Buy |
| 5 | GASKET | 522517501 | 1 | Buy |
| 6 | VALVE | 503479701 | 1 | Buy |
| 7 | LEVER | 503665901 | 1 | Buy |
| 8 | SPRING | 537383401 | 1 | Buy |
| 12 | MAIN NOZZLE | 576414201 | 1 | Buy |
| 17 | SCREW | 503481801 | 3 | Buy |
| 21 | THROTTLE LEVER | 522517801 | 1 | Buy |
| 26 | STRAINER | 503535701 | 1 | Buy |
| 27 | DIAPHRAGM PUMP | 537383101 | 1 | Buy |
| 28 | DIAPHRAGM | 537403301 | 1 | Buy |
| 29 | GASKET | 537020101 | 1 | Buy |
| 32 | SCREW | 503479001 | 1 | Buy |
| 46 | VALVE | 537177001 | 1 | Not stocked |
| 50 | GASKET KIT · B=set of gaskets | 522518901 | 1 | Buy |
| 51 | SUPPORT SLEEVE | 582025101 | 1 | Not stocked |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | SCREW CITXPANT | 525887402 | 1 | Buy |
| 2 | HANDLE INSERT | 504106301 | 1 | Buy |
| 4 | FUEL TANK ASSY | 575382205 | 1 | Buy |
| 5 | TANK VENT ASSY | 501152901 | 1 | Buy |
| 6 | THROTTLE LOCKOUT | 544099801 | 1 | Buy |
| 7 | SPRING | 544099901 | 1 | Buy |
| 8 | THROTTLE | 505157701 | 1 | Buy |
| 9 | PARALLEL PIN | 720182520 | 1 | Buy |
| 10 | THROTTLE CABLE ASSY | 521887901 | 1 | Buy |
| 11 | SCREW ITXSCFT | 525798103 | 1 | Buy |
| 12 | FUEL HOSE | 573993503 | 1 | Buy |
| 13 | FUEL FILTER · 18-40 µm (Blue) | 503443203 | 1 | Buy |
| 14 | COVER | 505165901 | 1 | Buy |
| 15 | ANTIVIBRATION ELEMENT | 586312103 | 1 | Buy |
| 16 | ANTIVIBRATION ELEMENT | 505128702 | 1 | Buy |
| 17 | DEFLECTION LIMITER | 523085501 | 1 | Buy |
| 18 | SUPPORT | 501007601 | 1 | Buy |
| 19 | TANK CAP ASSY | 522620003 | 1 | Not stocked |
| 20 | GASKET | 589241101 | 1 | Buy |
| 21 | HOLDER | 503578901 | 1 | Buy |
| 22 | SCREW ITXSCFT | 525798103 | 1 | Buy |
| 23 | DECAL | 577844301 | 1 | Not stocked |
| 24 | FUEL HOSE ASSY · From s/n 20161000481 - with magnet | 529578202 | 1 | Buy |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | AIR CONDUCTOR | 505157501 | 1 | Buy |
| 2 | STARTER ASSY | 505159209 | 1 | Buy |
| 3 | STARTER HANDLE | 537232501 | 1 | Buy |
| 4 | STARTER ROPE | 505305125 | 1 | Buy |
| 5 | SCREW ITXSCT | 576356601 | 1 | Not stocked |
| 6 | SLEEVE | 537283201 | 1 | Buy |
| 7 | STARTER PULLEY ASSY | 505158101 | 1 | Buy |
| 8 | SCREW CITXPANT | 525887401 | 2 | Buy |
| 9 | SPRING CASSETTE ASSY | 598750302 | 1 | Buy |
| 10 | SCREW CITXPANMO | 525824501 | 4 | Buy |
| 11 | STARTER HOUSING | 505159102 | 1 | Buy |
| 12 | LABEL | 523035601 | 1 | Buy |
| Ref | Description | OEM Part # | Qty | Bailey's |
|---|---|---|---|---|
| 1 | TOOL | 575439201 | 1 | Buy |
| 2 | COMBINATION WRENCH | 522521101 | 1 | Buy |
| 3 | SPANNER | 503558601 | 1 | Buy |
| 4 | SPANNER | 503558602 | 1 | Buy |
| 5 | GREASE | 503621201 | 1 | Not stocked |
| 6 | GREASE | 501911401 | 1 | Not stocked |
| 7 | DIAGNOSTIC TOOL KIT | 583897101 | 1 | Not stocked |
| 8 | CABLE ASSY · Diagnostics cable 14 Mhz | 576183401 | 1 | Not stocked |
| 9 | WINTER KIT | 522986502 | 1 | Buy |
| 10 | WINTER COVER | 505166101 | 1 | Not stocked |
| 11 | WINTER PLUG | 503405901 | 1 | Buy |
| 12 | SCREW CCRPANT | 503217016 | 2 | Buy |
| 13 | O-RING | 740420100 | 2 | Buy |
| 14 | SPIKE OUTER | 577014003 | 1 | Buy |
| 15 | SCREW ITXPANM | 575793501 | 2 | Buy |
| 16 | SPIKE OUTER | 577962501 | 1 | Buy |
| 17 | LOCK NUT | 503222401 | 2 | Buy |
| 18 | WINTER PLUG | 578125501 | 1 | Buy |
| 19 | ENCLOSED KIT | 574889801 | 1 | Not stocked |
| 20 | CABLE ASSY · Diagnostics cable 8 MHz | 576952201 | 1 | Not stocked |
| 21 | GLUE | 503267201 | 1 | Buy |
| 22 | WRENCH | 575880701 | 1 | Buy |
Other Husqvarna models in the same class as the 555 — exploded diagrams with OEM part numbers.
