420260721 Power Valve Water Box Bellow for Sea-Doo GSX RFI 800 1999-2000

Power Valve Water Box Bellow for Sea-Doo

This power valve water box bellow fits Sea-Doo GSX RFI 800 models from 1999 through 2000 and carries the OEM cross-reference 420260721.

Overview

This power valve water box bellow for Sea-Doo is a direct-fit replacement bellows for the exhaust water box valve assembly on the GSX RFI 800. It seals the valve stem area so exhaust pressure and cooling water stay contained while the power valve cycles. Riders rebuilding or servicing a 1999 or 2000 GSX RFI 800 will find this power valve water box bellow a practical part to keep on hand.

Built For Performance

• Cross-references OEM part number 420260721 for straightforward replacement
• Flexible bellows construction allows the power valve to move freely through its travel
• Forms a sealing barrier between the valve stem and the water box cavity
• Withstands the heat and moisture of the exhaust water box environment
• Shaped to match the factory mounting position on the GSX RFI 800 water box

Fits These Machines

• for Sea-Doo GSX RFI 800, 1999
• for Sea-Doo GSX RFI 800, 2000

On-The-Job Use

• Routine power valve servicing on the GSX RFI 800 exhaust water box
• Replacing a cracked, hardened, or leaking bellows during top-end work
• Seasonal maintenance to keep the power valve system sealed and operating

Specs At A Glance

Good To Know

Q: How do I know if my bellow needs replacing? A: A hardened, cracked, or torn bellow can leak exhaust and water around the power valve stem, so inspect it whenever the water box area is accessible.

Q: Does this bellow fit other Sea-Doo models? A: It is listed for the GSX RFI 800 from 1999 to 2000 with OEM reference 420260721, so confirm your model and part number before ordering.

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