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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The Sierra 18-5436 is a marine ignition coil designed as a direct replacement for Volvo Penta and Mallory Marine applications. Featuring a 3.0 ohm primary resistance and an internal resistor, this coil is engineered to deliver reliable spark performance in demanding inboard marine engine environments.
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OEM Cross-Reference Part Numbers:
Sierra is the marine aftermarket industry leader, offering premium-quality replacements engineered to withstand harsh marine environments. The 18-5436 ignition coil is a fit-specific part — always verify compatibility using OEM part numbers before ordering.
Great shopping experience! Easy ordering process, received correct product in a very quick, timely manner! Definitely will make future purchases from Autoplicity!
Lucile L
Nice and easy!!
William T
So far so good. So far very happy.
Jim B
Great price of the 5th wheel tailgate.
Thomas M
Unbelievably good price for such fast service and fine product. Many thanks!
Mike G
I hope the part is the right one.
Jason Kendall
Good
Efrain Hernandez
fast and easy
rob fante
First time
daniel montell
Great!
Chris hart
Easy to work with.
reyes mariscal
Cheap. exactly what I was looking for.
Jonathan Baker
So far so good quick easy order I only hope the shipping is as good as the website.
jacob trautloff
Quick and easy
Doug
Very good prices. Almost to good to be true
James woosley
Ordered a CTEK charger. Great price, and recieved it in 3 days. Very pleased.
dwe5000
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