Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Sierra Filter-Water Separator 21M Short 18-7844Sierra Filter Water Separator 21M Short 18 7844Sierra fuel water separators remove over 98. 8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems. WARRANTY INFORMATION We are an authorized reseller for all products listed on
Sierra Filter-Water Separator 21M Short 18-7844Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH to feed even the hungriest motor. Recommended to prevent damage to sensitive inboard and outboard fuel injection systems.
WARRANTY INFORMATION
We are an authorized reseller for all products listed on our website. Please contact the manufacturer for warranty info.
SPECS
|
UPC:
|
030999869821
|
|
MPN:
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18-7844
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|
Type:
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Short - 3.875"
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|
Replaces:
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Mercury - 35-807172 - 35-802893Q
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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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.5 ★★★★★
Based on 1160 reviews
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Product Reviews
★★★★★ 4
Utilitarian watch
This inexpensive watch fulfills its purpose adequately. It is easy to read, water resistant and fairly attractive. However the band length is just sufficient and the band itself is very stiff, even for a new watch.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 18, 2025
★★★★★ 5
Excelente
Excelente
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Luxurious looking watch for great price
The watch is simple yet, it looks expensive. The material of the watchband is high quality and holds its shape well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2024
★★★★★ 5
Calidad
Excelente calidad
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
★★★★★ 1
Material
Product looks nice but feels cheap. Did not come with a box .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
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