420950772 Head Gasket for Sea-Doo RXT X 300 1630 2016-2023

Head Gasket for Sea-Doo RXT X 300 1630

This head gasket is a sealing component for the Sea-Doo RXT X 300 1630 engine, designed to seal the cylinder head to the engine block and maintain proper compression, referencing OEM part number 420950772.

Overview

This head gasket is made to seal the cylinder head to the engine block on the Sea-Doo RXT X 300 1630, keeping combustion pressure and coolant where they belong. The head gasket for Sea-Doo RXT X 300 1630 personal watercraft helps restore a reliable seal during top end service. It suits riders and mechanics rebuilding a 1630cc engine.

Built For Performance

• Seals the cylinder head to the engine block for proper compression
• Constructed to withstand high combustion temperatures
• Precision cut to match the 1630cc engine deck
• Designed as a direct replacement for OEM part number 420950772
• Helps prevent coolant and combustion leaks at the head joint

Fits These Machines

• for Sea-Doo RXT X 300 1630, 2016-2023

On-The-Job Use

• Top end rebuilds on the 1630cc engine
• Cylinder head removal and reinstallation
• Compression restoration service
• Coolant leak repair at the head joint

Specs At A Glance

Good To Know

Q: Does this head gasket fit my model year? A: It is listed for the Sea-Doo RXT X 300 1630 from 2016 to 2023, so confirm your exact model and serial number before ordering.

Q: Should head bolts be replaced at the same time? A: Many technicians recommend new head bolts on reassembly, so check your service manual for the correct torque sequence and specifications.

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