My Account
Shopping Cart

Sierra 18-9861 Marine Hinge Pin Tool for Sterndrive Gimbal Housings

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

18-9861
06/01/2036 11:52 AM
Sale Price

$21.68

In Stock (10+)

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 18-9861 Marine Hinge Pin Tool is a specialized tool designed for servicing sterndrive gimbal housing hinge pins on MerCruiser and compatible marine engines. This essential tool enables proper removal and installation of hinge pins during gimbal bearing service and transom assembly maintenance.

Key Features:

  • Designed specifically for MerCruiser sterndrive gimbal housing service
  • Enables proper hinge pin removal and installation without damage
  • Precision-engineered to OEM specifications
  • Durable construction for professional marine service applications
  • Replaces MerCruiser part number 91-78310

This specialty tool is essential for marine technicians performing gimbal bearing replacement, transom assembly service, or sterndrive removal procedures. Sierra International manufactures high-quality marine replacement parts and tools that meet or exceed OEM standards.

Did not include boot clamps but overall a quality made part

Quick understandable

Quick and easy!

Moved through site with ease, found what I was looking for quickly. In and out!

i

Quick shipping. Product as described and arrived undamaged. A smooth painless transaction.

First time I've used your website - it worked out great! Thanks.

Thanks

So far so good. Lets make sure this is the right part.

very nice....quickbprocess and greatvprices

Excellent website, easy to find, best price online

Didn't see military/LEO discount =(

Very good

Great company..Great communication..Fast shipping. A+++++++++++++++.<br>Will do business again.

fast shipping

Fast shipper, although I had some trouble placing the order online

Quick easy order

Easy shopping

They did not have the part I ordered, but they quickly provided me with a nearly equivilent part! The shipping was fast and it was packed perfectly. I like them peoples!!!

Easy purchase, and best price for what I was looking for, and shipping discount on top of that. Thanks again!

This is my first time ordering from autoplicity. Everything was prompt. Easy payment options, fast shipping. Greats parts and cheapest price.

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