My Account
Shopping Cart

Quicksilver 78458A1 Bell Housing Exhaust Tube for MerCruiser Sterndrive R, MR, Alpha One & Alpha One Gen II

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

78458A 1
06/24/2036 7:57 AM
Sale Price

$79.94

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 78458A 1 Bell Housing Exhaust Tube is an OEM-quality replacement component designed specifically for MerCruiser stern drive models R, MR, Alpha One, Alpha One Gen II, and Blackhawk (1963 and newer). Manufactured by Mercury Marine to original equipment specifications, this exhaust tube ensures a precise, reliable fit and optimal performance for your stern drive system.

Key Features:

  • Straight-walled composite bellows construction for durability and long service life
  • Includes a hose clamp to secure one end of the tube
  • Easy installation using common hand tools
  • Built to Mercury Marine OEM specifications for maximum performance and reliability
  • Compatible with MerCruiser stern drive models R, MR, Alpha One, Alpha One Gen II, and Blackhawk (1963 and newer)

As part of the Quicksilver line — Mercury Marine's trusted brand for replacement parts, oils, and accessories — this bell housing exhaust tube undergoes rigorous testing to meet the demanding standards of marine environments. Choosing an OEM Quicksilver part ensures proper fitment and peace of mind on the water.

Easy transaction

Happy Halloween

Great service

price seems okay . .

Great prices, fast shipping and good customer services.<br>Thanks a lot

Shopped all around for a new battery for my wife's custom car and found Autoplicity's prices hard to beat!!!

I was so happy to find the chrome GMC license plate that my boyfriend has been looking for on this website at a very affordable price! It was easy to find and easy to order. Can't wait to get it in the mail!

quick and easy ordering process

Site is easy to navigate

Autoplicity has the best prices and I have checked a lot of places for my Milodon Swinging oil pickup. They had it in stock and shipped it out the next day. Thanks for the great pricing, service and communications. You are in my saved sellers.

Prompt on shipping order and delivery. I will use them again with future purchases

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