Manufacturer
<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
$8.18
1 left at this price
Usually delivered within 2 days
Add To Cart
Check out with
No Hassle Returns
Live-in-stock inventory
Fitment guaranteed
The Sierra 18-2228 is a precision .007" bearing shim engineered as a direct replacement for Johnson and Evinrude outboard motors. This shim provides the critical clearance adjustment needed during lower unit assembly and rebuilds to establish or alter the preload on bearing races, ensuring bearings roll and move as intended.
Manufactured by Sierra (a Sea Star Solutions brand), this shim meets or exceeds the original equipment manufacturer's specifications and is backed by Sierra's limited lifetime warranty. It directly replaces Johnson/Evinrude OEM part number 320170.
Key Specifications:
About Bearing Shims:
Sierra's 18-2228 shim is a trusted marine-grade replacement part, precision manufactured for reliable performance in demanding outboard applications.
So far great.
Happy Camper
so far this has been an excellent experience... we will see how the shipping, arrival, accuracy and quality when the parts show up.
Mike
So far, so good!
Travis
Cheapest price for Royal Purple oil. Thanks.
GoldenMouse2k10
Awesome prices, free shipping makes me happy :)
Vincent
No immediate info as to if this is in stock and will arrive in 2 days as I paid the addtl34.
Danny Hagely
Great Prices! Have Not Received My Order Yet,But I'm Sure its On its Way!
bigbob22
Best price that I could find anywhere!<br>
nkochary
Quick and Easy ordering, Great price.
Chris Greenhoe
Will comment when I recieve product
Mark Griffin
good
william kelley
Great site! Just what I wanted!
adunski
Add your review
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