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Sierra 18-1357 Pinion Bearing OMC Replacement 384195

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

18-1357
08/20/2036 2:12 PM
Sale Price

$15.38

1 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

Product Details

The Sierra 18-1357 is a replacement pinion bearing designed as a direct aftermarket substitute for OMC (Outboard Marine Corporation) original equipment part number 384195. Manufactured by Sierra International, this bearing is engineered to meet or exceed OEM specifications for use in OMC sterndrive lower unit gear assemblies.

Key Features:

  • Direct replacement for OMC OEM part number 384195
  • Manufactured by Sierra International to meet or exceed original equipment specifications
  • Designed for use in OMC sterndrive lower unit applications
  • Precision-engineered for reliable performance and durability
  • Provides proper support for the pinion gear in the lower gear case

Sierra International is a trusted name in marine aftermarket parts, offering high-quality replacements for a wide range of outboard and sterndrive components. The 18-1357 pinion bearing is an essential component in maintaining the integrity of the sterndrive lower unit drivetrain.

Cross-Reference: OMC 384195

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Great experience

Great price and quality is very good . Easy to install

easy and quick

Well organized website, good aftermatket and OEM selections. One of the first search results is a good hit.

Keith was very helpful. I will be using you for all my future projects.

Prices are good if u order more then one type of thing shipping goes way up

I was very impressed by their website and it was very easy to find what I was looking for. My husband was so excited to get his cold air intake and it was cheaper than anywhere else!

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