420854410 Power Valve for Sea-Doo GTX LTD 951 1998-1999

Power Valve for Sea-Doo

The Power Valve for Sea-Doo 951 engines is a replacement exhaust power valve assembly that manages exhaust port timing for strong torque and throttle response, directly cross-referenced to OEM part 420854410.

Overview

This Power Valve is a direct-fit replacement for the exhaust power valve assembly on Sea-Doo 951 engines. It controls exhaust port height to balance low-rpm punch with high-rpm power, giving the GTX LTD the performance it was built for. Designed for riders servicing their 1998-1999 GTX LTD 951, this Power Valve matches OEM 420854410 specifications.

Built For Performance

• Direct replacement for OEM part number 420854410
• Housing built for the Sea-Doo 951 engine platform
• Maintains exhaust port timing for consistent low-end torque
• Corrosion-resistant construction suited to marine use
• Precision-fit assembly for straightforward installation
• Compatible with the 1998-1999 Sea-Doo GTX LTD 951

Fits These Machines

• for Sea-Doo GTX LTD 951 1998-1999

On-The-Job Use

• Servicing the exhaust power valve on Sea-Doo 951 engines
• Restoring low-end throttle response on the water
• Replacing a stuck or fouled power valve during top-end work
• Routine maintenance for 1998-1999 GTX LTD 951 models

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, this is an aftermarket replacement for OEM part 420854410, listed by cross-reference. Confirm your engine platform and part number before ordering.

Q: Does this fit any 951 engine? A: It is listed for the 1998-1999 Sea-Doo GTX LTD 951. Fit can depend on serial number and model variation, so verify your machine details 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.