


XPS Sea-Doo 4T 5W-40 Full Synthetic Oil Change Kit for 1500cc+ Engines, 9779486 - BEST SELLER
Fitment Information
| Make | Model | Model years |
|---|---|---|
| Sea-Doo | GTI 1500cc+ 4-stroke | All years |
| Sea-Doo | GTR 1500cc+ 4-stroke | All years |
| Sea-Doo | GTX 1500cc+ 4-stroke | All years |
| Sea-Doo | RXT 1500cc+ 4-stroke | All years |
| Sea-Doo | RXP 1500cc+ 4-stroke | All years |
| Sea-Doo | Wake 1500cc+ 4-stroke | All years |
Not sure about fitment or have a question?
Contact us with your vehicle's make, model and year or VIN, and we can help confirm fitment before you order.
Frequently Asked Questions

DISCLAIMER: As of May 2024, BRP has upgraded all XPS 5W-40 oils to Full Synthetic. All prior semi-synthetic numbers have been discontinued and are no longer manufactured. This listing reflects the updated full synthetic specification.
Give your Sea-Doo the premium care it deserves with the XPS Sea-Doo 4T 5W-40 Full Synthetic Oil Change Kit (9779486). Designed specifically for modern Sea-Doo 4-stroke engines of 1500 cc or more, this convenient all-in-one kit provides everything you need for a complete oil change at home. Perfect for DIY riders who prefer hands-on maintenance, this kit ensures maximum engine protection, longer oil life, and reliable performance on every ride.
This updated full synthetic formula delivers stronger thermal resistance, cleaner operation, reduced wear, and outstanding lubrication in high-temperature, high-RPM marine environments. Whether you’re cruising, towing, or riding aggressively, XPS oils are engineered for the harshest conditions and optimized for BRP’s Rotax engines.
Kit Includes:
- XPS 4T 5W-40 Full Synthetic Engine Oil
- Oil filter
- O-rings
- Washer
Features:
- Designed for an ambient temperature of -31°F (-35°C) to 104°F (40°C), providing wide ranging protection.
Engine Type:
4-Stroke
Oil Grade:
5W-40 (Full Synthetic)
Fitment:
For Sea-Doo personal watercraft with 1500 cc and larger 4-stroke Rotax engines, including but not limited to:
- 1503 engines
- 1630 ACE engines
- Sea-Doo GTI, GTR, GTX, RXT, RXP, Wake models (4-stroke, 1500cc+)
- Designed to meet BRP OEM requirements for XPS 4T 5W-40 Full Synthetic
(Use the XPS reference chart or owner’s manual for exact model compatibility.) - To top up between changes, use XPS 4T 5W-40 Full Synthetic Oil 9779492 / 9779493
- Service the jet pump at the same time with XPS Synthetic Jet Pump Oil 9779221
- Sea-Doo Spark owners: see the 900 ACE oil change kit 9779485
Part Number: 9779486
Replaces Old Number: 9779251 (now discontinued)
Why Buy from Energy Powersports?
- Genuine OEM Sea-Doo, Ski-Doo, Can-Am and Mercury Marine parts, accessories and apparel
- Trusted Canadian powersports dealer with expert product knowledge
- Fast and reliable shipping across Canada with Shopify, eBay, and Amazon
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