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Sierra 18-8298 Honda Marine Engine Seal Replacement

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

18-8298
08/05/2036 1:03 AM
Sale Price

$28.07

2 left at this price

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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 18-8298 is an OEM-quality replacement seal designed for Honda marine engines. Sierra International is a leading manufacturer of aftermarket marine engine components, producing parts engineered to meet or exceed original equipment specifications for fit, form, and function.

This seal is designed to maintain a proper fluid-tight barrier within the engine assembly, helping to prevent oil or water intrusion that can lead to premature wear or engine damage. Using a quality replacement seal like the Sierra 18-8298 helps ensure reliable engine performance and longevity.

Key Features:

  • Direct replacement for Honda marine engine seal
  • Engineered to meet or exceed OEM specifications
  • Manufactured by Sierra International, a trusted name in marine aftermarket parts
  • Helps prevent fluid leaks and maintains engine integrity
  • Designed for precise fit and easy installation

Sierra 18-8298 is a quality aftermarket marine seal suitable for use in Honda outboard or inboard engine applications. Always verify compatibility with your specific engine model before installation.

quick and easy best price including shipping. Shipping was quick. Thank you

easy checkout, I just hope the parts arrive quickly.

Great have the parts

easy

fast

good so far

I need this for my 98 Toyota Tacoma just want to make sure it's right for that truck. Same part number I put on my 99 Thanks

So far so good

Your web page was great. I would of liked a better description of the product or a side view . Have some questions but I'll have to answer them when I get the wheel. It does tho look like what I'm looking for. Your price was excellent with free shipping

I bought shocks for my Silverado. Very little product info given, I had to search part numbers on other websites to verify what shocks were for the front and what ones were for the rear. Also I would very much like to be able to ship to a different addres

All seems great. Had item in stock as on there website and it was shipped quickly.

its just an order, lets see how fast it gets here

I was able to find the headers I was looking for at a good price and free shipping is a big plus as well.

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