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Set of 2 SeaDoo Exhaust Manifold Gasket 717 720 PWC & Jet Boat Models
Set of 2 aftermarket exhaust manifold gaskets.
Replaces the gaskets between the exhaust manifold and the cylinder on your 717/720 motor.
Quality replacement the following SeaDoo part numbers:
- 420850638
- 290850637
- 290850638
Please ensure your model and year PWC is listed below for proper fitment.
This part will ONLY work on models and years listed below:
Model | Years |
PWC | |
GS | 1997-2001 |
GSI | 1997 |
GTI | 1996-2005 |
GTI LE | 2002-2004 |
GTS | 1995-2001 |
GTX | 1995 |
HX | 1995-1997 |
SP | 1995-1997 |
SPI | 1995-1996 |
SPX | 1995-1996 |
XP | 1994-1995 |
XPI | 1994 |
Jet Boat | |
Challenger | 1998 |
Challenger | 2000-2001 |
Explorer | 1997 |
Explorer | 2002 |
Speedster | 1994-1997 |
Speedster | 1999 |
Speedster SK | 1999 |
Sportster | 1995-1998 |
Sportster | 2000 |
Sportster 1800 | 1998-1999 |
Sportster L | 2002 |
- All products are in stock at our St. Louis Distribution Center
- Orders ship the next business day
Domestic Shipping Within The 48 States
- Free shipping for all US locations
- PO boxes can't be utilized for UPS shipments
- USPS Express Mail expedited shipping option available
Domestic Shipping Outside The 48 States
- Free shipping for USPS ship methods
- Large/Heavy items that ship via UPS can't be shipped outside the 48 states
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