420950820 Valve Cover Gasket for Sea-Doo GTI STD 155 1503 2017

Valve Cover Gasket for Sea-Doo GTI STD 155 1503

This valve cover gasket replaces OEM part 420950820, sealing the valve cover to the cylinder head to prevent oil leaks on your personal watercraft engine.

Overview

This valve cover gasket is a direct replacement sealing component for the Sea-Doo GTI STD 155 1503 engine. It creates a tight seal between the valve cover and cylinder head, keeping oil contained while preventing dirt and moisture from entering the top end. A smart choice for riders performing routine maintenance or repairing a leaking valve cover gasket.

Built For Performance

• Precision-cut to match OEM part number 420950820
• Constructed from oil-resistant gasket material
• Maintains a reliable seal under engine heat and vibration
• Resists cracking and compression set over time
• Direct-fit replacement with no modification required

Fits These Machines

• for Sea-Doo GTI STD 155 1503 (2017)

On-The-Job Use

• Routine top-end maintenance and valve cover removal
• Fixing oil seepage around the valve cover
• Engine rebuilds and gasket refresh jobs
• Seasonal service before hitting the water

Specs At A Glance

Good To Know

Q: Does this gasket require sealant during installation? A: Most valve cover gaskets install dry, but always follow your service manual torque specs and any sealant recommendations for your specific engine.

Q: How often should a valve cover gasket be replaced? A: Replace it any time the valve cover is removed or if you notice oil weeping around the cover, typically during top-end service intervals.

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