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Sierra 18-7979 Fuel Filter Element for Mercury/Yamaha Outboards

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

18-7979
06/03/2036 5:22 PM
Sale Price

$19.45

In Stock (10+)

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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 18-7979 is a premium replacement fuel filter element designed for Mercury, Mariner, and Yamaha four-stroke carbureted outboard engines. This OE-quality in-line filter provides reliable protection for your engine's fuel system by filtering out contaminants before they can cause damage to carburetors and fuel injectors.

Key Features:

  • 20 micron filtration element effectively removes dirt, rust, and debris from gasoline
  • Direct OE replacement for Mercury/Mariner 75, 90, and 115 HP four-stroke carbureted outboards
  • In-line design for easy installation and maintenance
  • Durable construction ensures consistent fuel flow and engine protection
  • Compatible with standard marine gasoline fuel systems

Regular replacement of your fuel filter element is essential preventive maintenance that helps ensure optimal engine performance, fuel efficiency, and longevity. This genuine Sierra replacement part meets or exceeds OEM specifications for reliable operation in demanding marine environments.

Products specifications

Application

Mercury/Mariner 75/90/115 hp 4-Stroke carbureted O/B

Replaces

Merc 881540, Yamaha 68V-24563-00-00

Excellent experience A+

easy to order and quick. 4 stars vs 5: only need to cross reference the Motorcraft Part number to the vehicle part number which I used to search

It's gone well.

Easy to use website. Could use more detail on items. I had to get fit requirement from maker.

Very good so far.

Thank You

i received item very prompt and for a great price!

I placed an order,18852,for a Husky Liner on June 19th and received it on June 21st. They have a great price and low cost shipping.

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Easy enough until it came to payment. "Check out with Amazon, it'll be faster." It wasn't.

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