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Sierra 18-6768 Complete Power Trim Pump Assembly for Mercruiser Stern Drives

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

18-6768
07/11/2036 8:06 AM
Sale Price

$710.71

2 left at this price

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Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-6768 is a complete replacement power trim pump assembly designed for MerCruiser stern drive applications, primarily used on 1982 and earlier models. This unit serves as a direct replacement for the Prestolite high-pressure, low-flow trim system, restoring full power tilt and trim functionality to your stern drive.

This is a complete, ready-to-install assembly that includes everything needed for a full system replacement—no sourcing individual components required.

What's Included:

  • Hydraulic pump
  • Electric motor
  • Fluid reservoir
  • Steel mounting bracket
  • Solenoids
  • 20-amp fuse
  • Wiring harness

Key Features:

  • Replacement for Prestolite high-pressure, low-flow trim system
  • Durable steel mounting bracket included
  • Complete plug-and-play assembly for straightforward installation
  • Built to Sierra's marine-grade quality standards

OEM Cross-Reference / Replaces:

  • Mercury Marine / MerCruiser: 93247A7, 93247A4, 88475A5, 79271A4, 74436A9, 8263, 8263A1, 392-8261A1

Products specifications

Compatibility

Replacement Pump for Prestolite High Pressure/Low Flow System. Primarily Used 1982 and Earlier. Replaces Mercrusier 93247A7

Type

Trim Motor Parts

Fast easy and convenient

Good availability and good price.

Great price. I will leave more feedback after it arrives and is installed.

Easy process so far.

I placed an order with autoplicity on Saturday order number 10468 I got it today and installed my new banks ram air box and it is awesome. Thanks autoplicity my box from Banks looks like it just came off the shelf even after ups delivered it.

Great buying experience! Easy ordering, competitive pricing and fast shipment.

Excellent e-commerce interface

I have not received my order because it is still the same day I ordered therefore i can not comment on shipping. However I do not worry about that process at all due to the professional look autoplicity.com shows through their website. The prices are the website are the lowest I've found and in-stock quantity is great allow me to find every I needed.

These guys are awesome. I placed my order and shipped out asap. Live inventory is amazing. All the parts I needed were in stock and shipped to me.

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Good

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