Medium
Less than 15 minutes
This is an authentic OEM sourced replacement part that is intended to be used with trimmers, brushcutters, and edgers from Husqvarna and Jonsered. The metal nut is used with several different types of machines and the application of the nut can vary based on the model of the equipment. This nut is sold individually.
Nut 503856301
OEM part for: Husqvarna, Jonsered
Part Number: 503856301
$7.46
In Stock
Order within the next 11 hours and your part ships today! 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 284 machines
Husqvarna
325 LX (2000-10) Trimmer View Diagrams & Manuals
325 LX (2001-01) Trimmer View Diagrams & Manuals
325 LXT (2000-01) Trimmer View Diagrams & Manuals
325 RX (2002-01) Trimmer View Diagrams & Manuals
326 C (2001-03) Trimmer View Diagrams & Manuals
326 L (2001-03) Trimmer View Diagrams & Manuals
326 LX (2001-03) Trimmer View Diagrams & Manuals
325 RXT (2002-01) Trimmer View Diagrams & Manuals
325 RDX (2002-01) Trimmer View Diagrams & Manuals
325 RJX (2002-01) Trimmer View Diagrams & Manuals
225 L (1994-06) Line Trimmer View Diagrams & Manuals
225 L (1996-06) Line Trimmer View Diagrams & Manuals
225 LD (1994-06) Line Trimmer View Diagrams & Manuals
225 LD (1996-06) Line Trimmer View Diagrams & Manuals
225 Lite (106 25 20-16) (1998-12) Line Trimmer View Diagrams & Manuals
225 R (1994-06) Line Trimmer View Diagrams & Manuals
225 R (1996-06) Line Trimmer View Diagrams & Manuals
225 RD (1994-06) Line Trimmer View Diagrams & Manuals
225 RD (1996-06) Line Trimmer View Diagrams & Manuals
225 RJ (1994-06) Line Trimmer View Diagrams & Manuals
225 RJ (1996-06) Line Trimmer View Diagrams & Manuals
227 L (1999-09) Line Trimmer View Diagrams & Manuals
227 LD (1999-09) Line Trimmer View Diagrams & Manuals
227 R (1999-09) Line Trimmer View Diagrams & Manuals
227 RD (1999-09) Line Trimmer View Diagrams & Manuals
232 L (1998-01) Line Trimmer View Diagrams & Manuals
232 L (2000-04) Line Trimmer View Diagrams & Manuals
232 R (1998-01) Line Trimmer View Diagrams & Manuals
232 RD (1998-01) Line Trimmer View Diagrams & Manuals
240 L (1998-11) Line Trimmer View Diagrams & Manuals
240 L (2000-04) Line Trimmer View Diagrams & Manuals
322 C (2000-04) Line Trimmer View Diagrams & Manuals
322 L (2000-01) Line Trimmer View Diagrams & Manuals
322 L (2000-04) Line Trimmer View Diagrams & Manuals
322 R (106 25 68-62) (1999-03) Line Trimmer View Diagrams & Manuals
325 CX (2000-04) Line Trimmer View Diagrams & Manuals
325 LX (2000-01) Line Trimmer View Diagrams & Manuals
325 LX (2000-04) Line Trimmer View Diagrams & Manuals
325 LXT (2000-04) Line Trimmer View Diagrams & Manuals
325 RJX (2000-01) Line Trimmer View Diagrams & Manuals
325 RX (106 25 68-62) (1999-03) Line Trimmer View Diagrams & Manuals
225 E (2000-10) Edger View Diagrams & Manuals
325 E X-Series (2001-01) Edger View Diagrams & Manuals
325 E X-Series (2006-04) Edger View Diagrams & Manuals
325 E X-Series (E-Tech 2) (2001-01) Edger View Diagrams & Manuals
326 E X-Series (E-Tech 2) (2001-03) Edger View Diagrams & Manuals
326 E X-Series (E-Tech 2) (2002-02) Edger View Diagrams & Manuals
125R (2006-03) Brushcutter View Diagrams & Manuals
125R (2006-10) Brushcutter View Diagrams & Manuals
125R (2007-10) Brushcutter View Diagrams & Manuals
125R (2008-06) Brushcutter View Diagrams & Manuals
125RJ (2007-04) Brushcutter View Diagrams & Manuals
125RJ (2008-06) Brushcutter View Diagrams & Manuals
125RJ (2009-09) Brushcutter View Diagrams & Manuals
128R (2010-08) Brushcutter View Diagrams & Manuals
223L (2006-01) Brushcutter View Diagrams & Manuals
223R (2006-01) Brushcutter View Diagrams & Manuals
225R (1997-02) Brushcutter View Diagrams & Manuals
225R (2000-10) Brushcutter View Diagrams & Manuals
225RD (1997-02) Brushcutter View Diagrams & Manuals
225RD (2000-10) Brushcutter View Diagrams & Manuals
225RJ (1997-02) Brushcutter View Diagrams & Manuals
225RJ (2000-10) Brushcutter View Diagrams & Manuals
226R (2009-01) Brushcutter View Diagrams & Manuals
226RJ (2012-06) Brushcutter View Diagrams & Manuals
227R (2000-10) Brushcutter View Diagrams & Manuals
227R (2002-09) Brushcutter View Diagrams & Manuals
227RD (2000-10) Brushcutter View Diagrams & Manuals
227RJ (2000-10) Brushcutter View Diagrams & Manuals
232R (1994-02) Brushcutter View Diagrams & Manuals
232R (1995-11) Brushcutter View Diagrams & Manuals
232R (1997-02) Brushcutter View Diagrams & Manuals
232R (2000-04) Brushcutter View Diagrams & Manuals
232R (2002-09) Brushcutter View Diagrams & Manuals
232R (2006-01) Brushcutter View Diagrams & Manuals
232R (2006-04) Brushcutter View Diagrams & Manuals
232R (2007-01) Brushcutter View Diagrams & Manuals
232RD (2000-04) Brushcutter View Diagrams & Manuals
233RJ (2009-01) Brushcutter View Diagrams & Manuals
233RJ (2011-07) Brushcutter View Diagrams & Manuals
235R (1995-11) Brushcutter View Diagrams & Manuals
235R (1997-02) Brushcutter View Diagrams & Manuals
235R (2000-04) Brushcutter View Diagrams & Manuals
235R (2002-09) Brushcutter View Diagrams & Manuals
235R (2006-01) Brushcutter View Diagrams & Manuals
235RII (2002-09) Brushcutter View Diagrams & Manuals
235RII (2006-01) Brushcutter View Diagrams & Manuals
240RBD (1997-02) Brushcutter View Diagrams & Manuals
240RBD (1995-01) Brushcutter View Diagrams & Manuals
240RJ (2000-04) Brushcutter View Diagrams & Manuals
240RJ (2002-09) Brushcutter View Diagrams & Manuals
322R (1999-03) Brushcutter View Diagrams & Manuals
322R (2000-05) Brushcutter View Diagrams & Manuals
322R (2001-02) Brushcutter View Diagrams & Manuals
323R (2002-01) Brushcutter View Diagrams & Manuals
323R (2004-03) Brushcutter View Diagrams & Manuals
323R (2005-05) Brushcutter View Diagrams & Manuals
323R (2006-04) Brushcutter View Diagrams & Manuals
323R (2007-01) Brushcutter View Diagrams & Manuals
323R (2008-03) Brushcutter View Diagrams & Manuals
323RII (2008-03) Brushcutter View Diagrams & Manuals
323RII (2012-01) Brushcutter View Diagrams & Manuals
323RII (2009-10) Brushcutter View Diagrams & Manuals
323RJ (2002-01) Brushcutter View Diagrams & Manuals
323RJ (2005-05) Brushcutter View Diagrams & Manuals
323RJ (2008-03) Brushcutter View Diagrams & Manuals
325RJX (2005-05) Brushcutter View Diagrams & Manuals
324RX (2004-05) Brushcutter View Diagrams & Manuals
325RJX (2002-01) Brushcutter View Diagrams & Manuals
325RJX (2008-03) Brushcutter View Diagrams & Manuals
325RJX (2000-01) Brushcutter View Diagrams & Manuals
325RX (1999-03) Brushcutter View Diagrams & Manuals
325RX (2000-05) Brushcutter View Diagrams & Manuals
325RX (2008-03) Brushcutter View Diagrams & Manuals
326RJX (2004-03) Brushcutter View Diagrams & Manuals
326RJX (2006-04) Brushcutter View Diagrams & Manuals
326RJX (2007-01) Brushcutter View Diagrams & Manuals
326RJX (2009-05) Brushcutter View Diagrams & Manuals
326RX (2002-08) Brushcutter View Diagrams & Manuals
326RX (2004-03) Brushcutter View Diagrams & Manuals
326RX (2006-04) Brushcutter View Diagrams & Manuals
326RX (2007-01) Brushcutter View Diagrams & Manuals
326RX (2009-05) Brushcutter View Diagrams & Manuals
326RX (2002-02) Brushcutter View Diagrams & Manuals
326RX (2001-03) Brushcutter View Diagrams & Manuals
327RDX (2008-03) Brushcutter View Diagrams & Manuals
327RDX (2010-09) Brushcutter View Diagrams & Manuals
327RDX (2012-01) Brushcutter View Diagrams & Manuals
327RJX (2008-03) Brushcutter View Diagrams & Manuals
327RJX (2009-10) Brushcutter View Diagrams & Manuals
327RJX (2012-01) Brushcutter View Diagrams & Manuals
327RX (2008-03) Brushcutter View Diagrams & Manuals
327RX (2009-10) Brushcutter View Diagrams & Manuals
327RX (2012-01) Brushcutter View Diagrams & Manuals
533RS (2011-07) Brushcutter View Diagrams & Manuals
322L (1999-03) Line Trimmer View Diagrams & Manuals
224L (2009-06) Trimmer View Diagrams & Manuals
123L (2004-03) String Trimmer View Diagrams & Manuals
323L (2008-03) Light Weight Trimmer View Diagrams & Manuals
323L (2005-05) Trimmer View Diagrams & Manuals
323 LD (2005-05) Trimmer View Diagrams & Manuals
TA850 (537353501, 537353502) Trimmer Attachment View Diagrams & Manuals
TA1100 (967300801) Trimmer Attachment View Diagrams & Manuals
537048501 (537048502, 537048503, 537048504) J-Handle Kit View Diagrams & Manuals
CSA850 (967186001) Brushcutter Attachment View Diagrams & Manuals
BCA850 (967185901) Brushcutter Attachment View Diagrams & Manuals
124 R (2010-08) Brushcutter View Diagrams & Manuals
524 R Brushcutter View Diagrams & Manuals
525 L Brushcutter View Diagrams & Manuals
128 RJ (952715759) (2011-08) Row Brushcutter View Diagrams & Manuals
128 RJ (952715754) (2010-08) Brushcutter View Diagrams & Manuals
128 RJ (952711950) (2010-08) Brushcutter View Diagrams & Manuals
525 LK Brushcutter View Diagrams & Manuals
129 R (967193301) (2016-03) Row Brushcutter View Diagrams & Manuals
525 LS Brushcutter View Diagrams & Manuals
129 RJ (967193401) (2016-03) Row Brushcutter View Diagrams & Manuals
525 LST Brushcutter View Diagrams & Manuals
525 RJD Brushcutter View Diagrams & Manuals
525 RJX Brushcutter View Diagrams & Manuals
525 RK Brushcutter View Diagrams & Manuals
525 RS (967622801) (2015-09) For China View Diagrams & Manuals
525 RS Brushcutter View Diagrams & Manuals
133 R (2006-01) Brushcutter View Diagrams & Manuals
525 RX Brushcutter View Diagrams & Manuals
525 RXT Brushcutter View Diagrams & Manuals
325 RJ X-SERIES (2000-01) Brushcutter View Diagrams & Manuals
536 LIRX Brushcutter View Diagrams & Manuals
326 R X-SERIES (2002-02) Brushcutter View Diagrams & Manuals
326 R X-SERIES (2001-03) Brushcutter View Diagrams & Manuals
232 RJ (2000-04) Brushcutter View Diagrams & Manuals
233 R (2011-07) Brushcutter View Diagrams & Manuals
326 CX (2002-08) Trimmer View Diagrams & Manuals
326 LDX (2009-05) Trimmer View Diagrams & Manuals
326 LDX (2007-01) Trimmer View Diagrams & Manuals
326 LDX (2006-04) Trimmer View Diagrams & Manuals
326 LDX (2004-03) Trimmer View Diagrams & Manuals
326 LDX (2002-08) Trimmer View Diagrams & Manuals
326 LS (966763205) (2009-05) Trimmer View Diagrams & Manuals
326 LS (966763205) (2007-01) Trimmer View Diagrams & Manuals
327 LDX (2012-01) Trimmer View Diagrams & Manuals
327 LDX (2009, 2010) 2009, 2010 Trimmer View Diagrams & Manuals
327 LS (2012-01) Trimmer View Diagrams & Manuals
327 LS (2009, 2010) 2009, 2010 Trimmer View Diagrams & Manuals
123 LD (2004-03) Trimmer View Diagrams & Manuals
327 LX (2012-01) Trimmer View Diagrams & Manuals
327 LX (2009, 2010) 2009, 2010 Trimmer View Diagrams & Manuals
327 LX (2008-03) Trimmer View Diagrams & Manuals
522 L (2015-10) Trimmer View Diagrams & Manuals
524 L Trimmer View Diagrams & Manuals
322 E (2001-01) Trimmer View Diagrams & Manuals
322 E (1999-10) Trimmer View Diagrams & Manuals
524 LK Trimmer View Diagrams & Manuals
128 DJX (966712501) (2012-05) Trimmer View Diagrams & Manuals
128 DJX (966712501) (2011-01) Trimmer View Diagrams & Manuals
322 T (2001-02) Trimmer View Diagrams & Manuals
322 T (2000-05) Trimmer View Diagrams & Manuals
323 C (2008-03) Trimmer View Diagrams & Manuals
323 C (2005-05) Trimmer View Diagrams & Manuals
323 C (2002-01) Trimmer View Diagrams & Manuals
535 LK Trimmer View Diagrams & Manuals
323 E (2002-03) Trimmer View Diagrams & Manuals
323 EX Trimmer View Diagrams & Manuals
536 LILX Trimmer View Diagrams & Manuals
129 DJX (967146901) (2016-03) Us Can View Diagrams & Manuals
323 LD (2008-03) Trimmer View Diagrams & Manuals
323 LD (2005-05) Trimmer View Diagrams & Manuals
323 LD (2002-01) Trimmer View Diagrams & Manuals
324 L Trimmer View Diagrams & Manuals
324 LDX Trimmer View Diagrams & Manuals
324 LX (2004-05) Trimmer View Diagrams & Manuals
325 E (2002-03) X-Series View Diagrams & Manuals
325 E (2001-01) X-Series View Diagrams & Manuals
325 E (1999-10) X-Series View Diagrams & Manuals
325 L (2002-01) Trimmer View Diagrams & Manuals
325 LDX (2008-03) Trimmer View Diagrams & Manuals
325 LDX (2005-05) Trimmer View Diagrams & Manuals
325 TX (2001-02) Trimmer View Diagrams & Manuals
325 TX (2000-05) Trimmer View Diagrams & Manuals
323 LD (2005-05) Trimmer View Diagrams & Manuals
535 LST Brushcutter View Diagrams & Manuals
326 R (20010900001-20020500000) X-Series View Diagrams & Manuals
326 E (20144900001-Current) X-Series Trimmer Edger View Diagrams & Manuals
326 E (20020500001-20144799999) X-Series Trimmer Edger View Diagrams & Manuals
326 E (20010900001-20020500000) X-Series Trimmer Edger View Diagrams & Manuals
525 LX Trimmer View Diagrams & Manuals
520iLX String Trimmer View Diagrams & Manuals
525LS Mark II String Trimmer View Diagrams & Manuals
525LST Mark II String Trimmer View Diagrams & Manuals
Jonsered
BC2125 (2003-03) Brushcutter View Diagrams & Manuals
BC2125 (2004-01) Brushcutter View Diagrams & Manuals
BC2125 (2005-01) Brushcutter View Diagrams & Manuals
BC2125 (2008-09) Brushcutter View Diagrams & Manuals
BC2126 CAN (2009-09) Brushcutter View Diagrams & Manuals
BC2126 EU AU (2010-08) Brushcutter View Diagrams & Manuals
BC2126 ROW (2010-08) Brushcutter View Diagrams & Manuals
BC2126 US (2009-09) Brushcutter View Diagrams & Manuals
BC2128 CAN - 952711959 (2010-08) Brushcutter View Diagrams & Manuals
BC2128 EU AU - 952715763 (2010-08) Brushcutter View Diagrams & Manuals
BP2040 (2000-10) Brushcutter View Diagrams & Manuals
BP2040 C (2000-02) Brushcutter View Diagrams & Manuals
BP40 (1995-02) Brushcutter View Diagrams & Manuals
BP40 (1996-03) Brushcutter View Diagrams & Manuals
CC2126 CAN (2009-09) Brushcutter View Diagrams & Manuals
CC2126 EU AU (2010-08) Brushcutter View Diagrams & Manuals
CC2126 ROW (2010-08) Brushcutter View Diagrams & Manuals
CC2126 US (2010-08) Brushcutter View Diagrams & Manuals
CC2128 CAN - 952711960 (2010-06) Brushcutter View Diagrams & Manuals
CC2128 EU AU - 952715764 (2010-08) Brushcutter View Diagrams & Manuals
CC2128 US - 952711957 (2010-06) Brushcutter View Diagrams & Manuals
GR2026 (1997-02) Brushcutter View Diagrams & Manuals
GR2026 (2000-10) Brushcutter View Diagrams & Manuals
GR2026 (2002-08) Brushcutter View Diagrams & Manuals
GR2032 (1998-02) Brushcutter View Diagrams & Manuals
GR2032 (2000-10) Brushcutter View Diagrams & Manuals
GR2032 (2002-08) Brushcutter View Diagrams & Manuals
GR2032 (2006-10) Brushcutter View Diagrams & Manuals
GR2036 (1998-02) Brushcutter View Diagrams & Manuals
GR2036 (2000-10) Brushcutter View Diagrams & Manuals
GR2036 (2002-08) Brushcutter View Diagrams & Manuals
GR2036 (2006-10) Brushcutter View Diagrams & Manuals
GR26 (1994-11) Brushcutter View Diagrams & Manuals
GR26 (1996-01) Brushcutter View Diagrams & Manuals
GR26 (1997-02) Brushcutter View Diagrams & Manuals
GR32 (1994-02) Brushcutter View Diagrams & Manuals
GR32 (1995-01) Brushcutter View Diagrams & Manuals
GR32 (1996-06) Brushcutter View Diagrams & Manuals
GR36 (1994-02) Brushcutter View Diagrams & Manuals
GC2125 (2003-03) Trimmer View Diagrams & Manuals
GC2125 (2004-01) Trimmer View Diagrams & Manuals
GC2125 (2005-01) Trimmer View Diagrams & Manuals
GC2125 (2008-09) Trimmer View Diagrams & Manuals
GC2125 C (2005-01) Trimmer View Diagrams & Manuals
GC2125 C (2008-09) Trimmer View Diagrams & Manuals
GC2126 C (2007-03) Trimmer View Diagrams & Manuals
GC2126 C (2008-06) Trimmer View Diagrams & Manuals
GC2128C CAN - 952711958 (2010-06) Trimmer View Diagrams & Manuals
GC2128C EU AU - 952715762 (2011-04) Trimmer View Diagrams & Manuals
GC2128C US - 952711956 (2011-03) Trimmer View Diagrams & Manuals
GR2126 D (2002-01) Trimmer View Diagrams & Manuals
GR2126 L (2002-01) Trimmer View Diagrams & Manuals
GT2125 (2003-03) Trimmer View Diagrams & Manuals
GT2125 (2004-01) Trimmer View Diagrams & Manuals
GT2125 (2005-01) Trimmer View Diagrams & Manuals
GT2125 L (2002-01) Trimmer View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Trimmer Parts
- Edger Parts
This part replaces obsolete part #: 5037148-01, 503714801
Customer Part Reviews ?
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
lost parts
George - April 12, 2021
Tool Type
Trimmer
Difficulty
Medium
Time
Less than 15 minutes
Tools Used
Wrench Set
Parts Used
Put nut on shaft and tightened.
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replaced nylon threaded nut on edger
William - May 6, 2019
Tool Type
Edger
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Nutdriver
Parts Used
took old nut off and put new nut on
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Thanks for voting and helping fellow customers!
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
