420950820 Valve Cover Gasket for Sea-Doo GTX LTD 300 1630 2016-2024

Valve Cover Gasket for Sea-Doo

This valve cover gasket seals the valve cover to the cylinder head on select Sea-Doo watercraft, replacing OEM part 420950820.

Overview

This valve cover gasket is a direct-fit sealing component made for the Sea-Doo GTX LTD 300 1630 platform spanning 2016 to 2024. The gasket seats between the valve cover and cylinder head to keep oil contained and prevent leaks under operating pressure. It suits riders and mechanics performing top-end maintenance or a rebuild on their Sea-Doo engine.

Built For Performance

• Direct replacement for OEM part number 420950820
• Precision-cut profile for a flush fit against the cylinder head
• Oil-resistant material engineered for hot engine environments
• Seals the valve cover to stop oil seepage and maintain pressure
• Structured to hold its shape through repeated heat cycles
• Straightforward installation during valve cover service

Fits These Machines

• for Sea-Doo GTX LTD 300 1630, 2016
• for Sea-Doo GTX LTD 300 1630, 2017
• for Sea-Doo GTX LTD 300 1630, 2018
• for Sea-Doo GTX LTD 300 1630, 2019
• for Sea-Doo GTX LTD 300 1630, 2020
• for Sea-Doo GTX LTD 300 1630, 2021
• for Sea-Doo GTX LTD 300 1630, 2022
• for Sea-Doo GTX LTD 300 1630, 2023
• for Sea-Doo GTX LTD 300 1630, 2024

On-The-Job Use

• Top-end rebuilds on the 1630 engine
• Valve cover removal and reseal jobs
• Routine oil leak repair
• Seasonal maintenance before launch
• Shop and DIY engine service

Specs At A Glance

Good To Know

Q: Is this an original Sea-Doo part? A: This is an aftermarket valve cover gasket for Sea-Doo that replaces OEM part 420950820. Confirm your engine and model before ordering.

Q: Does this gasket fit other models? A: Fitment is listed for the GTX LTD 300 1630 across 2016 to 2024. Check your serial number to confirm compatibility.

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