Manufacturer
<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>
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$10.16
In Stock (10+)
Usually delivered within 2 days
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The Sierra 18-7946 is a high-performance fuel water separator filter designed for marine fuel injected engines. This replacement filter element provides critical fuel system protection by removing water and contaminants before they reach your engine's fuel injection system.
Key Features:
This filter element helps prevent costly fuel system damage by trapping water and particles down to 10 microns. Regular replacement of this filter element ensures optimal engine performance, fuel efficiency, and protects expensive fuel injection components from contamination-related failures.
Repl. Filter
10
OMC 502905
10 MIcron
The quality of the product was perfect and ordering from the sight was really simple
AJ D
Awesome
dwayne w
My experience with Autoplicity was great, I couldn't have asked for better service. It's not everyday you order something online and it shows up two days sooner than first expected.
Ryan S
Very easy.
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Lots if Auto parts in stock with cheaper prices. Wish you accepted coupons.
Ron O
When searching for the accessory which I needed, I found Autoplicity offered it at the lowest price available. The item had a promotion for free shipping, which made the purchase even more enjoyable. Overall, a positive buying experience.
SubieSavy
quick
david hart
Quick and easy. I like Amazon link to site to make purchase!!
Robert G Weikel
I need 14 of this item, you had 4
Garry
good price fast checkout
Jake Nance
I wanted a hard to find item, door handle chrome trim for my Mercury. Not only did they have it, but the price was the best online with shipping. It was sent out fast, I'm very pleased, 5 STAR service!
njperrry
Placed order #27494 for some bumpstops. Came out $40 cheaper then i could get with reseller discounts elsewhere. Great item, shipped quick, very satisfied.
team1k
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bfox111
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