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Sierra 18-0430 Exhaust Elbow Gasket OMC 91247 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

18-0430
07/13/2036 8:10 AM
Sale Price

$13.79

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 18-0430 is a replacement exhaust elbow gasket designed to provide a reliable, leak-free seal at the exhaust elbow joint on OMC marine engines. This gasket is a direct aftermarket replacement for OEM part number 91247, ensuring proper fit and function without the need for modification.

Key Features:

  • Direct replacement for OMC OEM part number 91247
  • Engineered to withstand the high heat and pressure demands of marine exhaust systems
  • Precision die-cut for accurate fitment and consistent sealing
  • Manufactured by Sierra International, a trusted leader in marine replacement parts
  • Helps prevent exhaust gas leaks that can lead to engine damage or safety hazards

Sierra International is known for producing high-quality marine aftermarket components that meet or exceed OEM specifications. The 18-0430 exhaust elbow gasket is an ideal choice for routine maintenance or repair of OMC-powered marine vessels, offering a cost-effective alternative to dealer-sourced OEM parts.

I bought the wrong part. I wish I could of selected a part by the engine make and size.

Always a great value for parts and fluids, not my first Oil purchase here

So far so good.

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that was fast...best price.. plus NO tax.

User friendly

It's been very easy so far. Thanks!

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Ordering was easy

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Ok so far.

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Simple

Was easy to purchase online as long as it IS actually in stock. Shipping price does seem a little high for such a small and light weight package.

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