My Account
Shopping Cart

Sierra 18-7920 Marine Fuel Water Separator Filter

Manufacturer

Sierra

<p>For nearly six decades, Sierra has established itself as one of the marine industry's most trusted names in aftermarket engine and drive parts. Founded as a specialized marine parts manufacturer, Sierra has grown into a comprehensive supplier of replacement components, instrumentation, and accessories for both recreational and commercial boating applications. Operating from their 300,000-square-foot distribution center in Litchfield, Illinois, Sierra serves boat owners and marine technicians worldwide with an extensive catalog of parts engineered specifically for the harsh saltwater environment.</p><h3>Marine Engine Excellence</h3><p>Sierra's reputation was built on delivering precision-engineered internal engine components and drive system parts that meet or exceed OEM specifications. Their <a href="/7570-sierra-engine-gasket-set-5404">engine gasket sets</a> provide critical sealing solutions for inboard and outboard motors, while their <a href="/7570-sierra-engine-complete-assembly-15341">engine complete assemblies</a> offer comprehensive replacement options for major overhauls. Each component undergoes rigorous testing to ensure reliability in demanding marine conditions, from corrosion resistance to temperature cycling performance.</p><h3>Instrumentation and Monitoring Systems</h3><p>Accurate instrumentation is essential for boat operators to monitor engine health and prevent costly breakdowns on the water. Sierra's comprehensive line of <a href="/7570-sierra-gauges-200483">gauges</a> includes everything from fuel pressure and temperature indicators to voltmeters and trim gauges, all designed with marine-grade materials that withstand vibration, moisture, and UV exposure. Their <a href="/7570-sierra-tachometer-gauge-1488">tachometer gauges</a> deliver precise RPM readings critical for optimizing engine performance and fuel efficiency. Supporting these instruments, Sierra's <a href="/7570-sierra-gauge-resistor-47908">gauge resistors</a> ensure proper signal conditioning and accurate readings across various sensor types and engine configurations.</p><h3>Expanded Product Portfolio</h3><p>In 2022, Sierra significantly broadened its scope beyond traditional marine engine parts to encompass a wider range of boating accessories and even outdoor power equipment components. This strategic expansion brought established marine brands like Shields and Moeller under the Sierra umbrella, creating a one-stop resource for marine maintenance and replacement parts. The company now offers fuel systems, electrical components, battery charging solutions, and NMEA electronics alongside their traditional engine parts lineup.</p><h3>Quality Backed by Industry-Leading Warranties</h3><p>What sets Sierra apart in the crowded aftermarket marine parts market is their commitment to standing behind every component they manufacture. Their warranty coverage extends beyond simple part replacement—it includes shop labor, haul-out fees, towing charges, and related incidental costs should a warrantied part fail. This comprehensive protection reflects the company's confidence in their manufacturing processes and quality control standards. For boat owners facing repairs far from shore or mechanics working on customer vessels, this peace of mind is invaluable. Whether you're maintaining an outboard motor, rebuilding an inboard engine, or upgrading your boat's instrumentation, Sierra's decades of marine industry experience and commitment to quality make them a reliable choice for keeping your vessel running at peak performance.</p>

Part Number

18-7920
06/01/2036 1:58 PM
Sale Price

$30.66

In Stock (10+)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-7920 marine fuel water separator is engineered to protect your engine by removing over 98.8% of emulsified water from gasoline before it reaches your fuel system. This high-performance filter flows at 90 gallons per hour, providing ample fuel delivery even for high-demand marine engines.

Key Features:

  • Removes more than 98.8% of emulsified water from gasoline
  • 90 GPH flow rate supports high-performance marine engines
  • Available with clear or metal bowl options
  • Clear bowls ideal for outboard and above-deck installations for visual inspection
  • Metal bowls meet USCG regulations for below-deck applications
  • Direct replacement for Mercury, Mariner, and Force outboard engines

This fuel water separator is an essential component for maintaining clean fuel delivery and preventing water-related engine damage. The clear bowl design allows for easy visual monitoring of water accumulation, while the metal bowl option ensures compliance with Coast Guard requirements for enclosed engine compartments.

Received promptly.

Quick and efficient service and my order was delivered in 2 days.

thank you**********

My experience was good but my order was not because I had to return it back

just ordered the part easy to find and a great price . now to wait to see when it gets here.

So far so good. First time ordering from website

Good service

Quick and easy

Petty good

Fast transaction

Good to do business with.

Very easy and the ability to pair up with amazon was very fast and convenient.

Hard to find part for a great price.

Thanks , It was quick and easy .

cheapest prices around!!!!!!!!!!!

Everything went nice and smooth. Thanks.

Easy to use web site. Quickly found what I needed. Smooth check out and SUPER FAST delivery. Couldn't ask for a better transaction experience. Bookmarked and for sure "GO TO" for next auto parts search. Thanks Autoplicity

PART CAME IN FAST!!! Can't wait to tear it open

I got all of my parts in and where happy with them. The website is about the cheapest around. Something about them really gives me a good feeling. :)

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy