Set of 3 aftermarket 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:
| Model |
Years |
| PWC |
| GS |
1997-2001 |
| GSI |
1997 |
| GTI |
1996-2004 |
| 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 |
