My Account
Shopping Cart

Sierra 18-1212 Exhaust Manifold Gasket OMC Replacement 326926

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

18-1212
07/13/2036 2:54 PM
Sale Price

$14.63

In Stock (7)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-1212 is a replacement exhaust manifold gasket designed to meet or exceed OEM specifications for OMC (Outboard Marine Corporation) marine engines. This gasket replaces OEM part number 326926 and is engineered to provide a reliable, leak-free seal in demanding marine environments.

Key Features:

  • Direct replacement for OMC OEM part number 326926
  • Manufactured by Sierra International, a trusted leader in marine replacement parts
  • Constructed from high-quality materials designed to withstand marine engine heat and pressure cycles
  • Ensures a precise fit for proper sealing and long-lasting performance
  • Meets or exceeds original equipment manufacturer (OEM) standards

Sierra International has been supplying the marine industry with dependable replacement components for decades. The 18-1212 gasket is part of Sierra's comprehensive marine engine parts line, making it a go-to choice for boat owners and marine mechanics looking for reliable OEM-quality replacements without OEM pricing.

Best prices around and combine that with ultra fast shipping. Great company to do business with will buy from again.

Very well

Great price for percys

Good

The exhaust system that I ordered has come timely manner. I have yet to install it, but I'm sure it is the correct part. I will return to shop in the future if I ever need a car part.

good

Easy and quick!

Easy to place an order

Easy!

Great Price and fast ordering

This website is very easy to shop on, it is easy to pay with amazon

I sell hi performance part for south america, and searching online I found this site ...THE BEST PRICE ONLINE PERIOD... I you don't believe, tries yourself. You can compare with the two biggest hi performance dealers in the usa.

Return customer with a few more future purchases in mind...best price plus quick shipping means these guys are just that good!

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy