Sierra 18-8880 PWC Oil Filter – Sea-Doo 4-TEC 1503cc | Replaces BRP 420956741
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Sierra 18-8880 PWC Oil Filter – Sea-Doo 4-TEC
A 20-micron cartridge-style oil filter engineered as a direct replacement for BRP 420956741, designed specifically for Sea-Doo 4-TEC personal watercraft engines. Unlike conventional spin-on canister filters, the 18-8880 is a cartridge element that fits into the engine's existing filter housing. It ships with a replacement sealing O-ring so you have everything needed for a complete filter service.
Part Details
- Part Number: 18-8880
- SKU: 47-8880
- Brand: Sierra
- Type: Cartridge-style PWC oil filter (not a spin-on canister)
- Engine Family: Sea-Doo 4-TEC 1503cc
- Filtration: 20 micron
- Includes: Replacement filter element + sealing O-ring
- UPC: 808282325657
- Condition: New
Compatible Applications
- Sea-Doo 4-TEC 1503cc personal watercraft – 2002 and later models using BRP filter 420956741
Exact fitment varies by model year and configuration. Always confirm your Sea-Doo model, engine, model year, and existing filter number before ordering. The strongest fitment check is matching BRP part number 420956741.
Cross-Reference Part Numbers
- Sierra: 18-8880 / 47-8880
- BRP / Sea-Doo: 420956741
- BRP / Sea-Doo: 420956740
- BRP / Sea-Doo: 711956740
- Quicksilver: 8M0154757
Service Interval
Replace at every scheduled oil change per Sea-Doo's maintenance schedule — typically every 50 hours or once per season, whichever comes first. Always refer to your model-year owner's manual for the exact interval.
Installation Notes
- Remove the existing cartridge element and old sealing O-ring from the filter housing
- Clean the filter housing and sealing surfaces thoroughly
- Lubricate the new O-ring with clean engine oil before installing
- Insert the new cartridge element and reassemble per the Sea-Doo service procedure
- Check engine oil level after service and inspect for leaks before running
Related Products
- WSM Jet Pump Repair Kit – Sea-Doo 900 & 1503 4-TEC (2004–2017)
- WSM Complete 4-TEC Jet Pump Assembly – Sea-Doo
- Sierra 25W-40 FC-W 4-Stroke Marine Engine Oil – 1 Qt
- Sierra 25W-40 FC-W 4-Stroke Marine Engine Oil – 5 Qt
Parts Desk Insights
Cartridge vs. spin-on — important distinction: The 18-8880 is a cartridge element, not a spin-on canister. It fits inside the engine's existing filter housing rather than threading on like a conventional oil filter. Before ordering, confirm your Sea-Doo uses the cartridge-style housing — matching BRP part number 420956741 is the quickest way to do this.
Don’t forget the O-ring: The filter ships with a replacement sealing O-ring. Always install the new O-ring — reusing the old one is a common cause of post-service oil leaks on these engines.
Best use case: Seasonal oil change service on Sea-Doo 4-TEC 1503cc models. A straightforward, high-impact maintenance item — pair it with the correct 4-stroke marine engine oil for a complete oil service.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.