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JSP Manufacturing

Aftermarket Sea-Doo Cylinder Base Gasket 420931725 290931460

Aftermarket Sea-Doo Cylinder Base Gasket 420931725 290931460

Regular price $ 9.79 USD
Regular price Sale price $ 9.79 USD
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JSP Manufacturing® Aftermarket Seadoo Cylinder Gasket 0.3mm

Our JSP Brand Aftermarket Seadoo Cylinder Base Gasket is compatible with the models listed below. Please check you part number before placing an order.

  • New Aftermarket Seadoo Cylinder Base Gasket
  • OEM quality aftermarket replacement part
  • Exact item is pictured
  • Quantity: 1 gasket

Replaces the following Part Numbers:
OEM Part #:
420931725
290931725
290931720
290931460
SBT #: 42-107-03
WSM #: 007-435-01

Measures Approximately:
Length: 10.5 inches
Width: 6 inches
Thickness: 0.58 mm

Brand: JSP Manufacturing®
MPN:  GK-BG-420931725

Aftermarket Part fits the following applications, years, make & models:
Seadoo PWC:
1999-2001 GSX RFI
1996-1997 GSX   
1998-2002 GTX RFI
1996-1997 GTX   
1997-1999 SPX   
1995 XP 800
1996-1997 XP

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

**Reported to fit the above listed years, makes and models, however, may fit some additional years, makes and models not listed. Please verify part numbers 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 call      

At 727-328-8733 If you are not sure if this will work with your model.

Monday - Friday 8AM-5PM.

We guarantee that if you place the order on a business day before 2PM (EST), it will ship out that same day. If placed after 2PM (EST), it will ship out the following business day.

Orders received on weekends after 2PM (EST) Friday through 2PM (EST) Monday will ship on Monday. Shipping will start counting Tuesday.

Two-Day Shipping (when available) - shipping days start being counted the day after the shipping carrier receives that package. For example, if they receive the package on Monday before the cutoff time it will be delivered on Wednesday. (Day 1 is Tuesday / Day 2 is Wednesday – does not include the order date). TWO BUSINESS DAYS *Does not include weekends or holidays.

Unfortunately, once your order leaves our facility, we are unable to control delays or errors by the shipping carrier.

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.