420854449 Power Valve Piston for Sea-Doo Challenger 800 1996-1997

Power Valve Piston for Sea-Doo

This power valve piston, reference 420854449, is a replacement component for the exhaust power valve system on Sea-Doo personal watercraft and jet boats.

Overview

This power valve piston fits into the exhaust power valve assembly used on Sea-Doo 800 engines. The piston helps regulate exhaust port timing for smoother power delivery across the RPM range. It suits riders maintaining a 1996 or 1997 Challenger 800 or similar Rotax-powered craft.

Built For Performance

• Direct replacement for OEM reference 420854449
• Constructed for the 800 Rotax engine power valve system
• Helps maintain correct exhaust port timing
• Designed to fit the specified 1996 to 1997 Challenger 800 models
• Sold as a single unit

Fits These Machines

• for Sea-Doo Challenger 800, 1996
• for Sea-Doo Challenger 800, 1997

On-The-Job Use

• Routine power valve maintenance
• Rebuilding a worn exhaust valve assembly
• Restoring proper engine performance

Specs At A Glance

Good To Know

Q: How many pistons come in this listing? A: This listing is for one power valve piston unless otherwise noted. Confirm the quantity you need before ordering.

Q: Will this fit every Sea-Doo 800 engine? A: It is listed for the 1996 to 1997 Challenger 800, but fit can vary by serial number. Verify your model and part number before purchase.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.