Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
JSP Manufacturing Aftermarket Seadoo Exhaust Manifold Gasket Kit Our JSP Brand Aftermarket Sea Doo Exhaust Gasket Kit is compatible with the SeaDoo models listed below. Tested for consistent quality and meets or exceeds original OEM specifications. Please check you part number before placing an order. New Aftermarket Exhaust Manifold Gasket Kit New Aftermarket Exhaust Manifold Gasket Kit Compatible with SeaDoo OEM quality aftermarket replacement part Exact item is pictured Quantity: 1 kit Each Kit Includes: 2 gaskets total 1 Manifold Gasket 1 Head Pipe Gasket Replaces the following Part Numbers: Manifold Gasket Replaces OEM Part #: 420931481 290931481 290931480 SBT #: 41-107-03 WSM #: 007-583 Head Pipe Gasket Replaces OEM Part #: 420931503 290931503 290931500 SBT #: 41-107-04 WSM #: 007-584 Brand: JSP Manufacturing MPN: GK-EX-KIT-420931481-420931503 Aftermarket Part fits the following Years, Make & Models: Seadoo PWC: 2005 3D RFI 800 1996-1997 GSX 800 1999-2000 GSX RFI 800 1990-1991 GT 580 2003-2005 GTI LE RFI 800 2004-2005 GTI RFI 800 1996-1997 GTX 800 1998-2000 GTX RFI 800 1989-1992, 1997 SP 580 1997-1999 SPX 800 1995-1997 XP 800 Seadoo Jet Boat: 1996 - 1999 Challenger 800 1997 - 1999 Challenger 1800 1998 - 1999 Speedster 800 **Please verify part number from original unit, before ordering to help ensure fitment.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.