420950772 Head Gasket for Sea-Doo RXP XRS 300 1630 2017-2022

Head Gasket for Sea-Doo RXP XRS 300 1630

This head gasket for Sea-Doo RXP XRS 300 1630 seals the cylinder head to the engine block to maintain compression and coolant integrity on 2017-2022 models, cross-referencing part number 420950772.

Overview

The head gasket for Sea-Doo RXP XRS 300 1630 fits 1630 engine applications from 2017-2022 and delivers a reliable seal between the cylinder head and block. This head gasket for Sea-Doo personal watercraft supports proper compression and cooling after a top-end service. It is designed for riders and technicians maintaining RXP XRS 300 machines.

Built For Performance

• Precision-formed to match 1630 engine head and block surfaces
• Seals combustion chambers for consistent compression
• Handles the elevated temperatures of high-output marine engines
• Seals coolant passages between head and block
• Cross-references OEM part number 420950772

Fits These Machines

• for Sea-Doo RXP XRS 300 1630, 2017-2022

On-The-Job Use

• Top-end rebuilds on 1630-equipped personal watercraft
• Cylinder head service and reinstallation
• Restoring compression after gasket failure
• Scheduled maintenance on later-model Sea-Doo RXP XRS

Specs At A Glance

Good To Know

Q: Do I need to replace head bolts with this gasket? A: Inspect head bolts for stretch or corrosion and replace as needed, then torque to the 1630 engine specification in the correct sequence.

Q: Is this gasket reusable after removal? A: No, it is a single-use component and should always be replaced when the cylinder head is removed.

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