Top End Gasket Set for Sea-Doo GTX STD 300 1630 2021-2023

Top End Gasket Set for Sea-Doo

This top end gasket set supplies the gaskets and seals needed to reseal the engine top end on a Sea-Doo watercraft, letting a 1630 engine go back together with a clean, leak-free seal.

Overview

This top end gasket set is made to reseal the cylinder head and cylinder base on a Sea-Doo 300 1630 engine. It provides the sealing components that hold combustion pressure and keep coolant and oil contained through the top end. Mechanics and riders rebuilding a 2021 to 2023 GTX STD 300 will find this set covers the main sealing points of the job.

Built For Performance

• Direct replacement for factory top end sealing components
• Includes head gasket, base gasket, and related seals as supplied
• Heat resistant materials rated for marine engine temperatures
• Cut to match the 1630 cylinder and head mating surfaces
• Withstands coolant, oil, and fuel exposure common to PWC engines

Fits These Machines

• for Sea-Doo GTX STD 300 1630 (2021-2023)
• for Sea-Doo models equipped with the 1630 engine

On-The-Job Use

• Top end rebuilds after compression loss or overheating
• Head gasket replacement on a 1630 marine engine
• Cylinder base resealing during piston or ring service
• Coolant and oil leak repair at the head and cylinder joint

Specs At A Glance

Good To Know

Q: Will this gasket set fit a 2021-2023 GTX STD 300 1630? A: It is listed for the 1630 engine in those GTX STD 300 model years. Confirm your engine code and model year before ordering.

Q: Does this set include new head bolts? A: This is a gasket and seal set only. Fasteners and other engine parts are not included unless pictured.

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