My Account
Shopping Cart

Sierra 18-1378 Marine Rod Bearing for OMC 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

18-1378
07/12/2036 11:05 PM
Sale Price

$28.51

2 left at this price

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 18-1378 is a replacement rod bearing designed for OMC marine engines. Built to meet the demands of the harsh marine environment, this bearing is engineered to meet or exceed the specifications of the original equipment part it replaces.

Key Features:

  • Direct replacement rod bearing for OMC marine engines
  • Meets or exceeds original equipment manufacturer (OEM) specifications
  • Engineered for high-horsepower marine engine applications
  • Designed to withstand the corrosive and demanding marine environment
  • Sourced from Sierra International, a trusted OEM supplier to engine manufacturers and boat builders

Sierra International is a leading supplier of marine replacement parts, providing quality components to OEM engine manufacturers and boat builders. The 18-1378 rod bearing delivers reliable performance and long service life as a drop-in OEM replacement.

Thanks

I bought an Edge Evolution CS tuner for my 05 Avalanche at a great price, a lot cheaper than any other place I looked. Delivery time was amazing it tooked two days from the time it was processed and it was over the Christmas holiday and it still made it to my front door in less than a week with regular ground shipping. Customer support is awesome and fast at answering any and every question you have and remedying any problem. Great site and great service. Will definitely recommend to others and use again in the future for all my automotive needs. Thanks Autoplicity.

Easy site Good Experience.

Autoplicity has the best service i have ever experienced while purchasing an online item, they are fast and easy to use.

Best price on the net for the LC-1 wideband. It shipped the next day as well!

The site showed items in stock, I hope that was accurate

was very happy that i found this product10.00 cheaper even with shipping than the next company!

So far So good. Like Low Price guarantee and paying through amazon

being this is a hard to find part.iam very pleased to find it in your store.

Autoplicity was a great place to shop. By far the lowest price on the rack that I purchased. Fast shipping and overall very satisfied.<br><br>

very fast shipping..will order again!!!

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