My Account
Shopping Cart

Sierra 18-2960 Cylinder Head Gasket Set for OMC Outboard Engines

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

18-2960
07/15/2036 12:53 AM
Sale Price

$29.99

In Stock (5)

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 18-2960 is a replacement cylinder head gasket set engineered for OMC, Johnson, and Evinrude outboard marine engines. This gasket set is a direct aftermarket equivalent to OEM reference part number 313413, providing a reliable and cost-effective alternative to factory components.

Sierra International is a trusted name in the marine aftermarket industry, manufacturing engine components to meet or exceed original equipment manufacturer specifications. This gasket set is precision-cut from durable materials designed to withstand the demanding thermal cycles, pressure, and saltwater exposure common in marine engine environments.

Key Features:

  • Direct replacement for OEM part number 313413
  • Manufactured to meet or exceed OEM specifications
  • Designed for OMC, Johnson, and Evinrude outboard engines
  • Precision-cut gasket materials for reliable sealing performance
  • Resistant to engine heat, compression pressure, and marine environments
  • Trusted Sierra International marine-grade quality

Replacing worn or damaged cylinder head gaskets is essential to maintaining proper compression, preventing coolant or oil leaks, and ensuring long engine life. The Sierra 18-2960 gasket set makes it straightforward to restore your outboard engine to proper operating condition.

So far so good...

Very easy to order and checkout.

So far so good.

Easy

Ordered item on Wednesday, June 20, 2012. The item was shipped as promised in 24 hours, good customer service and reasonable prices. order#19064. Thanks

No common

very simple

I like the free shipping, found cheaper prices else where but with your free shipping it was less money!

great

this is supposed to fit my 2003 Chevy avalanche 4 x 4 Z71 with cladding correct?

Easy site navigation, good prices.

Lowest pricing. very simple process from start to checkout. A+++

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