My Account
Shopping Cart

Quicksilver 814263A 1 Engine Motor Mount Base Assembly for MerCruiser

Manufacturer

Quicksilver

<p>Since 1950, Quicksilver has been delivering premium marine parts, accessories, and lubricants that set the standard for quality and performance on the water. As the premier supplier of Mercury Marine original-equipment parts and accessories, Quicksilver occupies a unique position in the marine aftermarket industry—it's the only marine brand manufactured and recommended by an original-equipment manufacturer.</p> <h3>Engineering Excellence Backed by Mercury Marine</h3> <p>What sets Quicksilver apart from other aftermarket brands is its direct connection to Mercury Marine's engineering expertise. No aftermarket company comes close to Quicksilver's level of research and design, and literally millions of hours have been spent on fired-engine testing and analysis. This rigorous development process ensures that every component meets the exacting standards required for marine environments, where reliability isn't just a preference—it's essential.</p> <p>Quicksilver offers the widest range of premium replacement parts and lubricants for Mercury engines and drives in the marine industry, while their expertise makes Quicksilver aftermarket parts and lubricants outstanding choices to service most major marine engine brands. Whether you're maintaining a Mercury, Yamaha, Honda, or Suzuki outboard, Quicksilver provides OEM-quality solutions that fit and function like the original components.</p> <h3>Comprehensive Product Range for Every Marine Application</h3> <p>From critical propulsion components to routine maintenance items, Quicksilver covers the full spectrum of marine parts needs. Their <a href="/200836-quicksilver-propellers-quicksilver-7456">propeller selection</a> represents decades of hydrodynamic research, offering precision-engineered designs that maximize thrust, fuel efficiency, and handling across different hull configurations and engine combinations.</p> <p>For fuel system reliability, <a href="/200446-fuel-pumps-kitscarburetor-kits-quicksilver-7456">Quicksilver fuel pumps and carburetor kits</a> deliver consistent performance even in demanding marine conditions where ethanol-blended fuels and temperature extremes can compromise inferior components. The brand's <a href="/200835-quicksilver-manifoldsriserselbows-quicksilver-7456">exhaust manifolds, risers, and elbows</a> are engineered specifically to handle the corrosive marine environment, featuring materials and coatings that resist saltwater degradation.</p> <p>Cooling system maintenance becomes straightforward with <a href="/2208-engine-water-pump-quicksilver-7456">Quicksilver water pumps</a> and impeller kits designed for easy installation and reliable operation. Regular impeller replacement is one of the most critical preventive maintenance tasks for any marine engine, and Quicksilver kits include all necessary gaskets and components for professional-grade results.</p> <p>The brand's <a href="/200382-external-engine-parts-quicksilver-7456">external engine parts</a> portfolio ensures that boat owners and marine technicians can source everything from mounting hardware to trim system components with confidence in fit and durability.</p> <h3>Quality You Can Trust</h3> <p>Quicksilver has earned a loyal following by providing the highest quality products for more than 60 years, and consumers consider it one of the most trusted brands in the markets it serves. With over 40,000 parts across 12 product lines, Quicksilver products can be found throughout the world, supporting recreational boaters, commercial operators, and marine service professionals alike.</p> <p>This commitment to quality extends beyond parts to include specialized marine lubricants, fuel additives, and maintenance products formulated specifically for the unique demands of marine engines. When you choose Quicksilver, you're buying performance, protection, and peace of mind—qualities that matter when you're miles from shore or simply want to maximize your time on the water.</p>

Part Number

814263A 1
06/24/2036 12:22 AM
Sale Price

$112.92

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Quicksilver 814263A1 Motor Mount Base Assembly is a genuine OEM replacement engine mounting component designed for MerCruiser sterndrive and inboard marine engines. This base assembly serves as the structural foundation of the engine mounting system, securing the powerplant to the boat stringer and absorbing vibration for smooth, reliable operation on the water.

Key Features:

  • Genuine OEM Part — manufactured to Mercury Marine factory specifications for a precise, confidence-inspiring fit
  • 3/4" mount stud compatibility — designed to work with standard MerCruiser 3/4" motor mount hardware
  • 4" center-to-center mounting hole spacing — matches factory stringer mounting patterns
  • 1/2" I.D. mounting holes — compatible with standard hardware for straightforward installation
  • Broad engine compatibility — suits MerCruiser V6, V8, and diesel inboard/sterndrive engines

Cross-Reference Part Numbers:

  • Quicksilver / Mercury Marine: 814263A 1
  • Supersedes / Also replaces: 66284A2, 330200, 812430A1

This mount base assembly is a direct OEM replacement that restores factory engine positioning and stability. Proper motor mount condition is critical to maintaining engine alignment, protecting drivetrain components, and minimizing vibration transfer to the hull.

Easy to order, pricing on point.

So far so good

Very quick ordering process.

As expected

Recieved the parts in a timely manner.

Searched on google for the part I wanted and found a link to your site. Paying with PayPal was nice and fast. I was done in less than two minutes.

Great delivery and product

I like

Sweet Price on Sweet Deal...

how long will it take to arrive?

Great

Best price

fast and easy

Great price and fast shipping.

Had a little trouble adjusting the number of parts to order. Once on Amazon payment it wasn't intuitive on how to correct the quantity. I called tech services and they got me there quickly. Thanks.

Super Low Prices Fast shipping and they have all kinds of mods parts. I am a bargain shopper and i am super satisfied with price and shipping cost take that FLEE BAY!!!!

Ordered from here once before got exactly what I ordered fast and and excellent condition. I will be ordering from autoplicity again.

I have had excellent service from this site and speedy delivery. They also send you an email with order info and tracking number everytime.

Great

Amazing Prices, saved hundreds over other Performance websites. Fast Shipping to top it off! Even with having to pay for shipping I saved $160 using Autoplicity over another "racing" website. Will absolutely do business with 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