Complete Gasket Set with Seals for Sea-Doo GTS 90 STDR 900 2018

Complete Gasket Set with Seals for Sea-Doo GTS 90 STDR 900

This complete gasket set with seals is a full engine sealing kit that refreshes the gaskets, O-rings, and seals on a Sea-Doo GTS 90 STDR 900 watercraft. It gives you the parts needed to reseal the engine during a rebuild or top-end service so oil, coolant, and compression stay where they belong.

Overview

This complete gasket set with seals for Sea-Doo is assembled for the GTS 90 STDR 900 platform and covers the sealing points touched during routine engine work. Each complete gasket set with seals is aimed at owners and shops handling a rebuild or reseal job on a 2018 model. The kit keeps all the needed seals together so the job moves without hunting for individual pieces.

Built For Performance

• Complete set covers gaskets and seals for a full engine reseal
• Seals engineered to handle heat and pressure inside a marine engine
• Direct replacement fit for the GTS 90 STDR 900 sealing points
• Consistent sealing surfaces help maintain compression and prevent leaks
• Packaged as one kit to simplify ordering for a rebuild
• Suited to both professional service and owner-performed repairs

Fits These Machines

• for Sea-Doo GTS 90 STDR 900
• 2018 model year fitment

On-The-Job Use

• Engine rebuilds and top-end service on personal watercraft
• Resealing after a teardown to address oil or coolant leaks
• Seasonal maintenance for a 2018 Sea-Doo GTS 90 STDR 900
• Shop work where a full gasket and seal refresh is required

Specs At A Glance

Good To Know

Q: Is this kit for a full engine reseal? A: This set is intended to supply the gaskets and seals needed for a complete engine reseal on the listed model. Confirm the exact scope against your service manual before starting.

Q: Can I install this myself? A: Many owners reseal their own engine, though the job requires mechanical experience and correct torque values. A shop can handle installation if you prefer.

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