Sea-Doo aftermarket piston kit 290887300 for 787 and 800 engines
47-107 290-887-300 Oversized 0.25 Piston Kit for Sea-Doo GSX/Challenger/XP 787 800 PWC 1995-2002
Close up of Sea-Doo 82mm piston showing wrist pin, retaining clips, and dual rings
47-107 290-887-300 Oversized 0.25 Piston Kit for Sea-Doo GSX/Challenger/XP 787 800 PWC 1995-2002
Sea-Doo 787 top end rebuild piston replacement 290887300 repair parts
47-107 290-887-300 Oversized 0.25 Piston Kit for Sea-Doo GSX/Challenger/XP 787 800 PWC 1995-2002
The internal of Sea-Doo 787 top end rebuild piston replacement 290887300
47-107 290-887-300 Oversized 0.25 Piston Kit for Sea-Doo GSX/Challenger/XP 787 800 PWC 1995-2002
Sea-Doo 787 top end rebuild piston replacement 290887300 repair parts laying on its side
SARUEIR

47-107 290-887-300 Oversized 0.25 Piston Kit for Sea-Doo GSX/Challenger/XP 787 800 PWC 1995-2002

Regular price $63.70 $0.00 Unit price per
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Heavy-Duty Oversize 0.25 Piston Kit (82.25mm Bore)

Restore the power and compression of your personal watercraft with this heavy-duty aftermarket Oversize 0.25 piston kit. Constructed from high-strength thermal aluminum alloy, it effectively dissipates heat to prevent thermal breakdown during high-RPM operation. This complete drop-in kit includes the piston, pin, clips, and rings, providing a seamless fit that matches OEM dimensions to get you back on the water with lasting marine reliability.

+ See Full Fitment & Cross-Reference List
Cross-Reference Part Numbers:
OEM Part Numbers: 290887300, 290888410, 420888410
SBT No.: 47-107
WSM No.: 010-818K

Complete Fitment Guide:
• 1995 Sea-Doo XP800
• 1996 Sea-Doo Challenger
• 1996 Sea-Doo GSX
• 1996 Sea-Doo GTX
• 1996 Sea-Doo XP
• 1997 Sea-Doo Challenger 1800
• 1997 Sea-Doo Challenger
• 1997 Sea-Doo GSX
• 1997 Sea-Doo GTX
• 1997 Sea-Doo SPX
• 1997 Sea-Doo XP
• 1998 Sea-Doo Challenger
• 1998 Sea-Doo GSX
• 1998 Sea-Doo GTX RFI
• 1998 Sea-Doo SPX
• 1999 Sea-Doo Challenger 1800
• 1999 Sea-Doo GSX RFI
• 1999 Sea-Doo GTX RFI
• 1999 Sea-Doo SPX
• 2000 Sea-Doo GSX RFI
• 2000 Sea-Doo GTX RFI
• 2001 Sea-Doo GTX RFI
• 2002 Sea-Doo GTX RFI

Disclaimer: This is a premium aftermarket replacement component designed to meet or exceed OEM grade standards. It is not manufactured or distributed by the original equipment brand.