420950820 Valve Cover Gasket for Sea-Doo Fish 21-230 1630 2025-2026

Valve Cover Gasket for Sea-Doo Fish 21-230 1630

This valve cover gasket fits the Sea-Doo Fish 21-230 1630 and seals the valve cover to the cylinder head, cross-referencing OEM part number 420950820.

Overview

This valve cover gasket for Sea-Doo is a direct-fit sealing component for the 1630 engine used in the Fish 21-230 platform. It creates a tight seal between the valve cover and cylinder head to keep oil contained and prevent leaks under normal engine operation. It suits riders and mechanics servicing the 2025-2026 Sea-Doo Fish 21-230 1630 who need a reliable replacement gasket.

Built For Performance

• Seals the valve cover to the cylinder head to prevent oil seepage
• Cross-references OEM part number 420950820
• Constructed to withstand engine heat and vibration
• Shaped to match the 1630 engine valve cover mating surface
• Designed for straightforward replacement during valve cover service

Fits These Machines

• for Sea-Doo Fish 21-230 1630

On-The-Job Use

• Valve cover resealing during engine maintenance
• Leak repair on the 1630 engine top end
• Routine service on 2025-2026 Fish 21-230 watercraft

Specs At A Glance

Good To Know

Q: Does this gasket fit both the 2025 and 2026 model years? A: Yes, this gasket is listed for the 2025-2026 Sea-Doo Fish 21-230 1630, though fit can depend on serial number, so confirm compatibility before ordering.

Q: Is this an OEM Sea-Doo gasket? A: This is a replacement valve cover gasket that cross-references OEM part number 420950820, not an original brand product.

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