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Ships within 48 hours · Estimated delivery Jun 18 - Jun 23
For Your Every Summer RSVP, with Code: SUMMER15
Description
Sierra Oil Filter 18-7911-1 - 4 Stroke OurboardsGenuine high quality Sierra Oil Filter Model No 18 7811 1 to suit modern 4 stroke outboard engines These fuel filters are designed to be a an equal or higher specification replacement to any manufacturer's OEM product. Recommended use period 50 hours of operation or minimum annually which ever period comes first. This Sierra 18 7811 1 Filter will suit a wide range of marine engines and we have attempted to list some replacements below The list is not

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 1244 reviews
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Product Reviews
★★★★★ 4
Great for Merc 200
Bought for my 1985 Mercury Black Max 200. Perfect fit! Only downside was no instructions included.
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Reviewed in the United States on August 11, 2025
★★★★★ 5
Worked with slight modification
Had to slightly widen the holes in metal gasket to make it fit.
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Reviewed in the United States on September 30, 2025
★★★★★ 5
MRLAW
Timely delivery. Kit seems to made of high quality materials.
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Reviewed in the United States on August 12, 2025
★★★★★ 5
Very satisfied
Product was as described.
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Reviewed in the United States on July 24, 2025
★★★★★ 1
impeller
The equipment was okay. However, there's no way of verifying what outdrive.It was four, so obviously ordered the wrong one
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Reviewed in the United States on March 7, 2026




