Sea-Doo Rotax 900 ACE Oil Change Kit — OEM 4T 5W-40 Full Synthetic with Filter & Seals

Sea‑Doo OEM 4T 5W‑40 Full Synthetic Oil Change Kit is a factory original, all‑in‑one service pack designed to refresh Rotax 900 ACE four‑stroke engines with the correct synthetic oil, filter and sealing parts.

This genuine Sea‑Doo oil change kit contains everything required for a proper service: factory‑specified XPS 5W‑40 full synthetic 4‑stroke oil, an OEM oil filter, new O‑rings and the crush washer. It’s offered as a direct replacement for older Sea‑Doo part numbers (superseded from 9779250) and is intended for Rotax 900 ACE engines. Using an OEM kit helps maintain part compatibility, fitment and the service intervals recommended by Sea‑Doo.

What exactly comes in this Sea‑Doo oil change kit?

The kit bundles the essential items needed for a single oil change so you won’t have to source parts separately.

• XPS full synthetic 5W‑40 engine oil matched to Sea‑Doo specifications.
• OEM Sea‑Doo oil filter sized for Rotax 900 ACE engines.
• Replacement O‑rings for filter and drain components and a new crush washer.

Why choose the OEM kit instead of aftermarket parts?

Factory kits are engineered for correct fit and intended tolerances, reducing the risk of leaks or compatibility issues during routine maintenance.

• Guaranteed fitment for Rotax 900 ACE applications—no guessing on sizes.
• Filter media and seals meet manufacturer quality and torque specifications.
• One‑stop purchase saves time and reduces the chance of missing parts.

How do I know this kit fits my Sea‑Doo or Rotax engine?

This kit is specified for Rotax 900 ACE four‑stroke engines and replaces earlier Sea‑Doo part numbers; verify fit with your model year and engine type before ordering.

• Intended for Sea‑Doo personal watercraft equipped with the Rotax 900 ACE engine.
• Listed as superseded from part number 9779250—check dealer parts list if uncertain.
• If in doubt, consult your owner’s manual or a certified Sea‑Doo technician for confirmation.

What benefits will I notice after using this synthetic oil change kit?

Using the manufacturer‑recommended synthetic oil and OEM filter supports consistent engine performance and proper lubrication under marine operating conditions.

• Synthetic 5W‑40 oil provides stable viscosity in a wide temperature range for reliable starts and protection.
• OEM filter captures contaminants while preserving oil flow characteristics optimized for Rotax engines.
• Fresh seals and crush washer reduce leak risk after service.

Who is this for: This Sea‑Doo OEM 4T 5W‑40 Full Synthetic Oil Change Kit is aimed at Sea‑Doo owners, DIY enthusiasts and professional technicians who perform routine maintenance on Rotax 900 ACE four‑stroke engines and prefer factory parts for fit and specification assurance. It’s ideal for those who want the convenience of a complete, single‑purchase service set that matches the original equipment requirements.