Sierra 18-4698 Drain / Filler Washer – Replaces Yamaha & Mercury Engine Washers
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Why Shop With Us
Why Shop With Us
✔ Locally owned in Nanaimo, BC
✔ Trusted by boaters and anglers since 1986
✔ Knowledgeable staff with real on-the-water experience
✔ Large in-stock selection of marine & fishing gear
We’re here to help you get the right gear the first time.
Shipping & Pickup
Shipping & Pickup
We ship across Canada with fast, reliable delivery from our Nanaimo location.
✔ Trusted since 1986
✔ Fast Canada-wide shipping
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Need it sooner or have questions? Our team is here to help.
Returns & Warranty
Returns & Warranty
We stand behind the products we sell and want you to shop with confidence.
✔ Easy returns on eligible items
✔ Manufacturer warranties supported
✔ In-store support available if you need help
If something isn’t right, reach out and we’ll make it right.
The Sierra Premium 18-4698 drain and filler washer is designed to provide a tight, leak-resistant seal for marine engines. Built from durable marine-grade materials, this washer is a direct replacement for various OEM parts used in Yamaha, Mercury, and Mallory outboards.
Compatible with:
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Yamaha: 90430-08003-00, 90430-08020-00, YSG-14090-90-8G
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Mercury: 27-81987, 27-81987M
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Mallory: 9-60100
Whether you're servicing your outboard or doing routine maintenance, the 18-4698 washer ensures a proper fit and performance you can trust in marine environments.
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BrandSierra Premium
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SKUSIE-18-4698
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TypeGaskets
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Color patternPurple
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MaterialMetal
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Barcode0030999875822
