Image for illustration only; it does not show the actual part or its packaging.
Sea-doo OEM Part 204390053 HEX. JAM NUT 5/8-18 - Call your local BRP dealership
- Product Code: 204390053
$10.78
- Genuine Sea-doo OEM part
- New in original packaging
- Fits the models listed in the fitment chart
- Easy, no-hassle returns
This product is vehicle specific.
Find your vehicle to make sure this part fits before you order.
Ships in 4 to 9 days
Genuine Sea-doo OEM Hex. Jam Nut 5/8-18 - Call Your Local Brp Dealership (part number 204390053) from the Steering System diagram. It fits Sea-doo 1503NA built from 1997 to 2012.
Fits these models
- 1503NA: 2008–2012
See the Fitment tab for the full list with model codes.
Need Help Finding the Right Part?
Not sure it fits? Ask before you order — our team will check the part for your machine.
For a faster answer, include:
Year, make and model of your machine- VIN or frame / serial number
- OEM part number or a photo of the old part
Email Us
(630) 886-1221Find your ride
Check your current ride below to confirm product compatibility.
Sea-doo
2012
2011
2010
2009
- 180 Challenger SE, 1 x 215 SCIC
- 180 Challenger SE, 1 x 255 HO
- 180 Challenger, 1 x 215 SCIC
- 230 Challenger SE, 2 x 215 SCIC
- 230 Challenger SE, 2 x 255 HO
- 230 Challenger SP, 2 x 155 NA
- 230 Challenger SP, 2 x 215 SCIC
- 230 Challenger, 2 x 155 NA
- Islandia SE 2 x 215 SCIC
- 150 Speedster 155
- 150 Speedster, 1 x 215 SCIC
- 150 Speedster, 1 x 255 HO
- 200 Speedster, 2 x 215 SCIC
- 205 Utopia SE, 2 x 155 NA
- 205 Utopia SE, 2 x 215 SCIC
- 230 Wake, 2 x 215 SCIC
- 230 Wake, 2 x 255 HO
- Speedster Wake, 2 x 215 SCIC
2008
- 180 Challenger 215
- 180 Challenger SE 215
- 230 Challenger 310
- 230 Challenger SE 310
- 230 Challenger SE 430
- 230 Wake 310
- 230 Wake 430
- Islandia SE 430
- 150 Speedster 155
- 150 Speedster 215
- 200 Speedster 310
- 200 Speedster 430
- Speedster WAKE 310
- Speedster WAKE 430
- 205 Utopia 310
- 205 Utopia SE 310
- 205 Utopia SE 430
2007
- Challenger 180 215 IC
- Challenger 180SE 215 IC
- Challenger 230 155NA
- Challenger 230 SE 155NA
- Challenger 230 WAKE 155NA
- Challenger 230SE 215 SCIC
- Challenger 230WAKE 215 SCIC
- Islandia 220 SE (155NA)
- Speedster 150 155NA
- Speedster 150 215IC
- Speedster 200 155NA
- Speedster 200 215IC
- Speedster 200 WAKE 155NA
- Speedster WAKE 215IC
- Utopia 205 155NA
- Utopia 205 SE 155NA
2006
2005
2004
2003
2002
2001
2000
1998
- Sea-doo 180 Challenger & Challenger SE 215, 2012 Steering
- Sea-doo 180 Challenger SE 260, 2012 Steering
- Sea-doo 210 Challenger & Challenger S 260, 2012 Steering
- Sea-doo 180 SP 260, 2012 Steering
- Sea-doo 150 Speedster 155, 2012 Steering
- Sea-doo 150 Speedster 260, 2012 Steering
- Sea-doo 180 Challenger 215, 2011 Steering
- Sea-doo 180 Challenger SE 215, 2011 Steering
- Sea-doo 180 Challenger SE 255, 2011 Steering
- Sea-doo 150 Speedster 155, 2011 Steering
- Sea-doo 150 Speedster 255, 2011 Steering
- Sea-doo 180 Challenger 215, 1x215 1503SCIC, 2010 Steering
- Sea-doo 180 Challenger SE 255, 1x255 1503HO, 2010 Steering
- Sea-doo 150 Speedster 155 (1503NA), 2010 Steering
- Sea-doo 150 Speedster 255, 1 x 255 (1503HO), 2010 Steering
- Sea-doo 180 Challenger SE, 1 x 215 SCIC, 2009 Steering
- Sea-doo 180 Challenger SE, 1 x 255 HO, 2009 Steering
- Sea-doo 180 Challenger, 1 x 215 SCIC, 2009 Steering
- Sea-doo 230 Challenger SE, 2 x 215 SCIC, 2009 Steering
- Sea-doo 230 Challenger SE, 2 x 255 HO, 2009 Steering
- Sea-doo 230 Challenger SP, 2 x 155 NA, 2009 Steering
- Sea-doo 230 Challenger SP, 2 x 215 SCIC, 2009 Steering
- Sea-doo 230 Challenger, 2 x 155 NA, 2009 Steering
- Sea-doo Islandia SE 2 x 215 SCIC, 2009 Steering
- Sea-doo 150 Speedster 155, 2009 Steering
- Sea-doo 150 Speedster, 1 x 215 SCIC, 2009 Steering
- Sea-doo 150 Speedster, 1 x 255 HO, 2009 Steering
- Sea-doo 200 Speedster, 2 x 215 SCIC, 2009 Steering
- Sea-doo 205 Utopia SE, 2 x 155 NA, 2009 Steering
- Sea-doo 205 Utopia SE, 2 x 215 SCIC, 2009 Steering
- Sea-doo 230 Wake, 2 x 215 SCIC, 2009 Steering
- Sea-doo 230 Wake, 2 x 255 HO, 2009 Steering
- Sea-doo Speedster Wake, 2 x 215 SCIC, 2009 Steering
- Sea-doo 180 Challenger 215, 2008 Steering
- Sea-doo 180 Challenger SE 215, 2008 Steering
- Sea-doo 230 Challenger 310, 2008 Steering
- Sea-doo 230 Challenger SE 310, 2008 Steering
- Sea-doo 230 Challenger SE 430, 2008 Steering
- Sea-doo 230 Wake 310, 2008 Steering
- Sea-doo 230 Wake 430, 2008 Steering
- Sea-doo Islandia SE 430, 2008 Steering
- Sea-doo 150 Speedster 155, 2008 Steering
- Sea-doo 150 Speedster 215, 2008 Steering
- Sea-doo 200 Speedster 310, 2008 Steering
- Sea-doo 200 Speedster 430, 2008 Steering
- Sea-doo Speedster WAKE 310, 2008 Steering
- Sea-doo Speedster WAKE 430, 2008 Steering
- Sea-doo 205 Utopia 310, 2008 Steering
- Sea-doo 205 Utopia SE 310, 2008 Steering
- Sea-doo 205 Utopia SE 430, 2008 Steering
- Sea-doo Challenger 180 215 IC, 2007 Steering System
- Sea-doo Challenger 180SE 215 IC, 2007 Steering System
- Sea-doo Challenger 230 155NA, 2007 Steering
- Sea-doo Challenger 230 SE 155NA, 2007 Steering
- Sea-doo Challenger 230 WAKE 155NA, 2007 Steering
- Sea-doo Challenger 230SE 215 SCIC, 2007 Steering
- Sea-doo Challenger 230WAKE 215 SCIC, 2007 Steering
- Sea-doo Islandia 220 SE (155NA), 2007 Steering
- Sea-doo Speedster 150 155NA, 2007 Steering System
- Sea-doo Speedster 150 215IC, 2007 Steering System
- Sea-doo Speedster 200 155NA, 2007 Steering System
- Sea-doo Speedster 200 215IC, 2007 Steering System
- Sea-doo Speedster 200 WAKE 155NA, 2007 Steering System
- Sea-doo Speedster WAKE 215IC, 2007 Steering System
- Sea-doo Utopia 205 155NA, 2007 Steering
- Sea-doo Utopia 205 SE 155NA, 2007 Steering
- Sea-doo Challenger 180 4-TEC TOWER, Edition 1, 2006 Steering System
- Sea-doo Challenger CS TOWER, Edition 1, 2006 Steering System
- Sea-doo Islandia 220, 2006 Steering System
- Sea-doo Speedster 200 Twin 4-TEC NA, Edition 1, 2006 Steering System
- Sea-doo Speedster 200 Twin 4-TEC SCIC, Edition 1, 2006 Steering System
- Sea-doo Sportster 4-TEC SCIC, Edition 1, 2006 Steering System
- Sea-doo Sportster 4-TEC, Edition 1, 2006 Steering System
- Sea-doo Sportster LE DI, 2006 Steering System
- Sea-doo Utopia 205, Edition 1, 2006 Steering System
- Sea-doo Challenger 180 4-TEC SC, 2005 Steering System
- Sea-doo Challenger 180 4-TEC SCIC, 2005 Steering System
- Sea-doo Challenger X, 250 Optimax, 2005 Steering System
- Sea-doo Islandia, 250 OPTI, 2005 Steering System
- Sea-doo Speedster 200 Twin 4-TEC SC, 2005 Steering System
- Sea-doo Speedster 200 Twin 4-TEC, 2005 Steering System
- Sea-doo Sportster 4-TEC SCIC, 2005 Steering System
- Sea-doo Sportster 4-TEC, 2005 Steering System
- Sea-doo Sportster LE DI, 2005 Steering System
- Sea-doo Utopia 185, 2005 Steering System
- Sea-doo Utopia 205, 2005 Steering System
- Sea-doo Challenger 1800, 240 ER, 2004 Steering System
- Sea-doo Challenger 2000 Steering
- Sea-doo Challenger X 240 EFI/250 Optimax, 2004 Steering System
- Sea-doo Islandia, 250 OPTI, 240 EFI, 2004 Steering
- Sea-doo Speedster 1600, 240 ER, 2004 Steering System
- Sea-doo Speedster 200 Twin 4-TEC, 1st Edition, 2004 Steering System
- Sea-doo Speedster 200 Twin 4-TEC, 2nd Edition, 2004 Steering
- Sea-doo Sportster 4-TEC, 2004 Steering
- Sea-doo Sportster LE DI, 2004 Steering System
- Sea-doo Utopia 185, 2004 Steering
- Sea-doo Challenger 1800, 5774/5775, 2003 Steering System
- Sea-doo Challenger 2000, Steering System
- Sea-doo Challenger X, 5778/5779, 2003 Steering System
- Sea-doo Islandia, 250 OPTI, 240 EFI, 2003 Steering System
- Sea-doo Speedster, 5772, 2003 Steering System
- Sea-doo Sportster 4 TEC, 5768/5770, 2003 Steering System
- Sea-doo Sportster LE, 5769, 2003 Steering System
- Sea-doo Utopia 185, 2003 Steering System
- Sea-doo Challenger 1800, 5701 (210), 2002 Steering System
- Sea-doo Challenger 2000, Steering System
- Sea-doo Islandia, 5709, 2002 Steering System
- Sea-doo Speedster, 5700, 2002 Steering System
- Sea-doo Sportster LE, 5494, 2002 Steering System
- Sea-doo Sportster LT, 5493, 2002 Steering System
- Sea-doo Utopia 185/205, 2002 Steering System
- Sea-doo Utopia 185/205, 2002 Steering System
- Sea-doo X-20, 5495, 2002 Steering System
- Sea-doo Challenger, 5699, 2001 Steering System
- Sea-doo Challenger 1800, 5446 (240 EFI), 2001 Steering System
- Sea-doo Challenger 2000, Steering System
- Sea-doo Islandia, 5449, 2001 Steering System
- Sea-doo Speedster, 5443, 2001 Steering System
- Sea-doo Sportster LE, 5440, 2001 Steering System
- Sea-doo Utopia, 200 Optimax, 2001 Steering System
- Sea-doo Utopia, 200 Optimax, 2001 Steering System
- Sea-doo Challenger, 5672, 2000 Steering System
- Sea-doo Challenger 1800, 5691, 2000 Steering System
- Sea-doo Challenger 2000, Steering System
- Sea-doo Islandia, 5689/5696, 2000 Steering System
- Sea-doo Speedster, 5690, 2000 Steering System
- Sea-doo Speedster SK, 5687, 2000 Steering System
- Sea-doo Sportster, 5673, 2000 Steering System
- Sea-doo Sportster 1800, 5686, 2000 Steering System
- Sea-doo Sportster LE, 5693, 2000 Steering System
- Sea-doo Challenger 1800, 5675/5679, 1999 Steering System
- Sea-doo Speedster, 5678, 1999 Steering System
- Sea-doo Speedster SK, 5677/5681, 1999 Steering System
- Sea-doo Sportster 1800, 5676/5680, 1999 Steering System
- Sea-doo Challenger, 5612, 1998 Steering System
- Sea-doo Challenger 1800, 5611/5616, 1998 Steering System
- Sea-doo Speedster, 5615, 1998 Steering System
- Sea-doo Sportster, 5614, 1998 Steering System
- Sea-doo Sportster 1800, 5613/5618, 1998 Steering System
- Sea-doo Challenger, 5603/5606, 1997 Steering System
- Sea-doo Challenger 1800, 5600/5601, 1997 Steering System
- Sea-doo Speedster, 5602/5608, 1997 Steering System
- Sea-doo Sportster, 5605/5609, 1997 Steering System
Part Details
| Brand | Sea-doo |
| Sku | 204390053 |
| Name | HEX. JAM NUT 5/8-18 - Call your local BRP dealership |
Free Shipping on Orders Over $99
Free ground shipping on US orders over $99, with tracking. Delivery time is shown before you pay, so you know when it arrives.
Support From People Who Ride
Not sure about size or fit? Ask us before you order. Our team rides too and will help you pick what suits your bike.
Genuine OEM & Trusted Brands
OEM parts for Honda, Yamaha, Kawasaki, Can-Am, Polaris and more, plus gear from makers riders trust. No no-name imports.
Parts That Fit Your Machine
Enter your machine’s type, year, make and model, and we’ll show only the parts and gear that fit it.