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Aftermarket Seadoo Exhaust Pipe Gasket OEM# 420931503 / 290931500 / 290931503 787 800 RFI XP GTX SPX GSX Challenger
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Aftermarket Seadoo Exhaust Pipe Gasket OEM# 420931503 / 290931500 / 290931503 787 800 RFI XP GTX SPX GSX Challenger Aftermarket Seadoo Exhaust Pipe Gasket OEM# 420931503 / 290931500 / 290931503 787 800 RFI XP GTX SPX GSX Challenger Aftermarket Seadoo Exhaust Pipe Gasket OEM# 420931503 / 290931500 / 290931503 787 800 RFI XP GTX SPX GSX Challenger Aftermarket Seadoo Exhaust Pipe Gasket OEM# 420931503 / 290931500 / 290931503 787 800 RFI XP GTX SPX GSX Challenger Aftermarket Seadoo Exhaust Pipe Gasket OEM# 420931503 / 290931500 / 290931503 787 800 RFI XP GTX SPX GSX Challenger Aftermarket Seadoo Exhaust Pipe Gasket OEM# 420931503 / 290931500 / 290931503 787 800 RFI XP GTX SPX GSX Challenger Aftermarket Seadoo Exhaust Pipe Gasket OEM# 420931503 / 290931500 / 290931503 787 800 RFI XP GTX SPX GSX Challenger

Aftermarket Seadoo Exhaust Pipe Gasket OEM# 420931503 / 290931500 / 290931503 787 800 RFI XP GTX SPX GSX Challenger

  • $ 729


JSP Manufacturing® Aftermarket Seadoo Exhaust Pipe Gasket

Our JSP Brand Aftermarket Sea Doo Exhaust Pipe Gasket is compatible with the SeaDoo models listed below. Tested for consistent quality and meets or exceeds original OEM specifications. 

  • New Aftermarket Exhaust Pipe Gasket
  • Compatible with SeaDoo
  • OEM quality aftermarket replacement part
  • Exact item is pictured
  • Quantity: Multi-pack, quantity based on quantity selected

Replaces the following Part Numbers:
OEM Part #:
420931503
290931503
290931500
SBT #: 41-107-04
WSM #: 007-584

Brand: JSP Manufacturing®
MPN: GK-EX-420931503

Aftermarket Part fits the following Years, Make & Models:
Seadoo PWC:
2005 3D RFI 800
1996-1997 GSX 800
1999 GSX RFI 800
1990-1991 GT 580
2003-2005 GTI LE RFI 800
2004-2005 GTI RFI 800
1996-1997 GTX 800
1998-1999 GTX RFI 800
1989-1992 SP 580
1997-1999 SPX 800
1995-1997 XP 800

Seadoo Jet Boat:
1997-1999 Challenger 1800 800
1996-1997 Challenger 800
1998-1999 Speedster 800

**Please verify part number from original unit, before ordering to help ensure fitment.

We offer a 30-Day Guarantee, if you have any issues with your item, please contact us to resolve the problem.

Return Information
Returns will be the cost of the item purchased, MINUS any shipping costs that we incurred shipping to you, or any return shipping costs. All returns must be in unused, undamaged and unaltered condition. If you have any questions regarding your return, please contact us.

Shipping Information
We guarantee that if you place the order on a business day before 2PM, it will ship out that same day.  If placed after 2PM, it will ship out the following business day. Unfortunately, once your order leaves our facility, we are unable to control delays or errors by the shipping carrier.

Please contact      

Via Chat or at 727-328-8733 If you are have any questions or are not sure if this will work with your model.


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