Set of 3 premium Venom Brand 717/720 exhaust manifold gaskets.
2 replace the gaskets between the exhaust manifold and the cylinder
1 Replaces the gasket between the exhaust manifold and thd exhaust pipe

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Set of 3 premium Venom Brand 717/720 exhaust manifold gaskets.
2 replace the gaskets between the exhaust manifold and the cylinder
1 Replaces the gasket between the exhaust manifold and thd exhaust pipe

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:

    Personal Watercraft

    1997-2001 GS
    1997 GSI
    1996-2004 GTI
    2002-2004 GTI LE
    1995-2001 GTS
    1995 GTX
    1995-1997 HX
    1995-1997 SP
    1995-1996 SPI
    1995-1996 SPX
    1994-1995 XP
    1994 XPI

    Jet Boat

    1998 Challenger
    2000-2001 Challenger
    1997 Explorer
    2002 Explorer
    1994-1997 Speedster
    1999 Speedster
    1999 Speedster SK
    1995-1998 Sportster
    2000 Sportster
    1998-1999 Sportster 1800
    2002 Sportster L

    • Set of 3 premium Venom Brand exhaust manifold gaskets for 717 / 720 cc engines ONLY
    • Replaces / compatible with Sea-Doo part numbers 420850638, 290850637, and 90850638
    • Fits:1997-2001 GS / 1997 GSI / 1996-2004 GTI / 2002-2004 GTI LE / 1995-2001 GTS / 1995 GTX / 1995-1997 HX / 1995-1997 SP / 1995-1996 SPI / 1995/ 1996 SPX / 1994-1995 XP / 1994 XPI
    • Also fits: 1998 Challenger / 2000-2001 Challenger / 1997 Explorer / 2002 Explorer / 1994-1997 Speedster / 1999 Speedster
    • Also fits: 1999 Speedster SK / 1995-1998 Sportster / 2000 Sportster / 1998-1999 Sportster 1800 / 2002 Sportster L

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