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Sierra 18-7944 Water Separating Fuel Filter 10 Micron Short

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

18-7944
06/01/2036 1:50 AM
Sale Price

$8.57

In Stock (10+)

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-7944 is a high-performance water separating fuel filter designed specifically for fuel-injected marine engines. This short-style replacement filter provides critical protection by removing water and contaminants from your fuel system, ensuring clean fuel delivery and optimal engine performance.

Key Features:

  • 10 micron filtration element removes harmful particles and debris
  • 90 GPH (gallons per hour) flow rate supports high-performance applications
  • 11/16 inch-16 threaded inlet for secure, leak-free installation
  • Compact short filter design measuring 3.875 inches in height
  • Water separating technology protects fuel injectors and engine components
  • Direct replacement for Mercruiser stern drive and Mercury Marine engines

This OEM-quality filter helps prevent costly injector damage and maintains engine efficiency by separating water from fuel before it reaches critical engine components. The 10 micron filtration provides excellent protection while maintaining adequate flow for fuel-injected powerheads.

Products specifications

Microns

10

Replaces

Mercury - 35-807172, 35-802893Q

Type

Short - 3.875"

Cheapest place available for my eibach springs. good at responding to a question I had after ordering and quick shipping! Will definitely buy from again!

Thank You

Great prices and great products. When it was received, the merchandise was correct and packed well. Thanks, will be ordering oil from this buyer from now on. (order #5647)

Ordering it was easy. Delivery was completed on the 27th which seemed to take an awful long time to receive the part after ordering

Great price on plugs

fast...easy

Fast and easy, best price on the web for what I ordered.

thanks

Very good company! Shipped out product very fast!!! I can say i will use them again

Couldnt find the item by navigating the page, had to google search it then it came up, but otherwise easy purchase.

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