Quicksilver 866178A02 Exhaust Manifold Conversion Kit 496 Magnum 8.1S MerCruiser

Quicksilver

<h3>About Quicksilver Marine Parts &amp; Accessories</h3><p>Quicksilver is the genuine OEM parts and accessories brand behind some of the most trusted names on the water. As the official parts arm of Mercury Marine, Quicksilver products are engineered to the exact tolerances and specifications used in the original manufacturing process — meaning every component fits, functions, and lasts the way your engine and drivetrain were designed to perform. Whether you're keeping a weekend fishing boat running strong or maintaining a performance stern drive for serious offshore work, Quicksilver delivers the confidence that comes from factory-level engineering.</p><h3>A Legacy Built on the Water</h3><p>Mercury Marine has been a cornerstone of recreational and commercial boating for decades, and Quicksilver exists to keep that legacy alive on the service and replacement side. The brand covers an expansive catalog of over 2,000 products, touching virtually every serviceable system on a Mercury-powered vessel. From consumables and fluids to precision-machined mechanical components, Quicksilver parts are held to the same quality standards as the engines they support — no guesswork required.</p><h3>Precision-Engineered Marine Components</h3><p>One of Quicksilver's most critical product areas is its line of <a href="/7456-quicksilver-fuel-pumps-201310">fuel pumps</a>. Marine fuel systems operate in uniquely demanding conditions — vibration, temperature swings, ethanol-blended fuels, and the corrosive effects of saltwater environments all take a toll. Quicksilver fuel pumps are built to handle these stresses without compromise, ensuring consistent fuel delivery and reliable starts whether you're on a freshwater lake or miles offshore in saltwater.</p><p>On the performance side, Quicksilver's <a href="/200673-propellers-quicksilver-7456">propellers</a> are among the most widely specified in the marine industry. Designed with input from Mercury Marine's engineering teams, Quicksilver propellers are available in a wide range of diameters, pitches, and blade configurations to match virtually any Mercury outboard or stern drive application. The right propeller selection can dramatically affect top speed, fuel efficiency, hole shot, and handling — and Quicksilver's catalog makes it straightforward to find the correct match for your specific setup.</p><p>Keeping those propellers performing at their best requires quality hardware and replacement components. Quicksilver's <a href="/7456-quicksilver-propeller-parts-accessories-200817">propeller parts and accessories</a> — including thrust washers, spline shafts, prop nuts, and hub kits — ensure a secure, properly aligned installation. Using OEM-spec hardware here isn't just a convenience; it directly affects propeller performance and longevity.</p><p>For boaters maintaining or rebuilding their sterndrive systems, Quicksilver's <a href="/7456-quicksilver-drives-gearcases-transoms-200346">drives, gearcases, and transoms</a> components represent the gold standard. These assemblies transfer engine power to the propeller and handle enormous loads in a wet, corrosive environment. Quicksilver gearcase and transom parts are manufactured to the precise specifications of MerCruiser and Mercury sterndrive systems, making them the first choice for both professional marine technicians and knowledgeable DIY boaters.</p><h3>Why Choose Quicksilver?</h3><ul style="list-style:disc"><li><strong>OEM Engineering:</strong> Parts designed to factory specifications for Mercury and MerCruiser applications</li><li><strong>Wide Coverage:</strong> Over 2,000 products spanning virtually every serviceable system</li><li><strong>Proven Reliability:</strong> Trusted by professional marine technicians and performance boaters worldwide</li><li><strong>Proper Fit:</strong> Eliminates the guesswork and fitment issues common with aftermarket alternatives</li></ul><p>From the fuel system to the prop shaft, Quicksilver is the smart choice when you want genuine performance and peace of mind on the water.</p>