420950792 Throttle Body Gasket for Sea-Doo Fish 21-230 1630 2025-2026

Throttle Body Gasket for Sea-Doo

This throttle body gasket for Sea-Doo is a sealing component that fits between the throttle body and intake, cross-referencing OEM 420950792.

Overview

This throttle body gasket for Sea-Doo is a replacement sealing part that mounts between the throttle body and the intake manifold to prevent air leaks and keep the intake path sealed. It supports smooth idle and consistent air delivery on the watercraft it fits. It is intended for riders and owners performing routine maintenance or intake service on their personal watercraft.

Built For Performance

• Seals the throttle body to intake mating surface
• Helps prevent vacuum leaks and rough idle
• Direct replacement referencing OEM part 420950792
• Made from gasket material suited to engine bay heat
• Fits both Fish 21-230 and Fish 18-230 1630 model applications
• Simple bolt-on replacement during intake service

Fits These Machines

• for Sea-Doo Fish 21-230 1630, 2025-2026
• for Sea-Doo Fish 18-230 1630, 2025-2026

On-The-Job Use

• Intake and throttle body servicing
• Replacing a worn or leaking gasket
• Routine engine maintenance on personal watercraft
• Restoring a proper seal after the throttle body is removed

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: No, this is a replacement gasket for Sea-Doo referencing OEM 420950792. It is not an original manufacturer part.

Q: Should I replace the gasket every time I remove the throttle body? A: Replacing the gasket whenever the throttle body is removed is good practice to avoid air leaks. Confirm the part number matches your model 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.