420431801 Valve Cover Gasket for Sea-Doo Spark TRIXX 1/2/3up 2017-2026

Valve Cover Gasket for Sea-Doo

This valve cover gasket is a direct replacement seal for the engine top end on Sea-Doo personal watercraft and cross-references OEM part number 420431801.

Overview

This valve cover gasket provides a reliable seal between the valve cover and cylinder head on Sea-Doo watercraft. Designed as a replacement for OEM 420431801, this valve cover gasket keeps oil contained and prevents leaks under the high heat and vibration of marine engines. It is a straightforward choice for riders performing routine top-end maintenance or chasing a persistent oil weep.

Built For Performance

• Cross-references OEM part number 420431801 for direct fitment
• Constructed to withstand constant heat cycling in marine engines
• Resists oil, fuel, and water exposure common in PWC use
• Seals the valve cover to cylinder head to prevent oil seepage
• Pre-formed shape for hassle-free installation
• Suited to routine top-end service and gasket replacement

Fits These Machines

• for Sea-Doo Spark TRIXX 1up 2017-2026
• for Sea-Doo Spark TRIXX 2up 2017-2026
• for Sea-Doo Spark TRIXX 3up 2017-2026

On-The-Job Use

• Routine valve cover resealing during top-end service
• Fixing oil seepage around the valve cover on Spark models
• Engine rebuilds and gasket refresh jobs
• Seasonal maintenance for personal watercraft owners

Specs At A Glance

Good To Know

Q: Does this gasket fit all Sea-Doo Spark TRIXX trim levels? A: It is listed for the 1up, 2up, and 3up TRIXX models across 2017-2026, though you should confirm your exact model and year before ordering. Q: Is this an OEM Sea-Doo part? A: No, this is an aftermarket replacement that cross-references OEM number 420431801 for fitment.

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