{"product_id":"mercury-quicksilver-exhaust-elbow-gasket-fits-mcm-120-140-3-0l-470-165-inaeu-line-6-cyl-gm-vaeu-8-small-block-ford-vaeu-8-engines-27-99777q02","title":"Mercury – Exhaust Elbow Gasket | Standard Cooling Series | Composite Marine Seal | 99777Q02","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Exhaust Elbow Gasket | Standard Cooling Series | Composite Marine Seal | 99777Q02\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you spend enough time on the water, you learn to appreciate the parts that quietly keep everything running right. The pieces you never think about until the day they fail—and the ones that earn your trust by never letting you down. That’s exactly how the 99777Q02 Exhaust Elbow Gasket feels: steady, dependable, and built for the kind of long days when the engine hum becomes its own kind of comfort. Whether you’re pushing out into open water or easing back toward the dock at sunset, knowing your exhaust system is sealed tight brings a sense of confidence no aftermarket substitute can match.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eC\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ereates a tight, reliable seal between exhaust elbow and manifold\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade gasket material built to withstand heat, vibration, and pressure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned specifically for standard cooling MerCruiser engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePrecision-matched profile ensures factory-correct fitment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProduced to Mercury Marine’s original engineering specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser 120 models (1983 and newer)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eC\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eompatible with 140 and 3.0-liter inline engines\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits select V8 small-block MerCruiser engines built in 1982 and earlier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with specific Ford Marine V8 engines equipped with standard cooling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on runabouts, classic sterndrive cruisers, family bowriders, and fishing boats\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA proper exhaust seal may not be flashy, but you’ll absolutely feel the difference when it’s doing its job. With the 99777Q02 installed, the joint between your exhaust elbow and manifold stays secure through every heat cycle, every wave, every long idle in the marina. The engine runs smoother. The exhaust note stays steady. And you avoid the subtle power loss and moisture issues that can creep in when a gasket starts to weaken.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part is engineered to resist \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethe constant expansion and contraction that comes with\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e marine use. It doesn’t crush unevenly or deteriorate quickly, and it handles vibration without losing its shape. That means better protection for the manifold, cleaner exhaust flow, and fewer surprises deep into the season. It’s a simple gasket, but in practice, it keeps your engine feeling tight, predictable, and ready for whatever kind of water day you have planned.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFor exhaust sealing, the difference between “fits” and “fits right” matters. A genuine Mercury Marine gasket is built from materials selected specifically for heat and pressure ranges found in standard-cooling MerCruiser engines. Aftermarket versions often cut corners—slightly different thickness, weaker materials, inconsistent compression—and that can lead to early leaks or repeated replacements. With the 99777Q02, you’re getting the exact part your engine was designed to use, backed by the reliability and long-term value that OEM parts are known for. It’s the kind of choice experienced boaters make because they’ve learned what works and what just causes headaches later.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the 99777Q02 Exhaust Elbow Gasket fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits select MerCruiser 120, 140, 3.0-liter, and specified Ford and General Motors V8 engines with standard cooling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What sets this gasket apart from aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It uses Mercury-approved materials and exact factory specifications, giving you consistent sealing and better long-term durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it’s the correct gasket for my engine?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine’s serial range and compare it to the compatibility notes in your owner’s or service manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both freshwater and saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, it’s built for any marine environment when used on a compatible standard-cooling engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation easy for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e With the right tools and torque settings, installation is straightforward. Always follow your service manual for best results.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940772237603,"sku":"27-99777Q02","price":4.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/99777q02.jpg?v=1761165451","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-quicksilver-exhaust-elbow-gasket-fits-mcm-120-140-3-0l-470-165-inaeu-line-6-cyl-gm-vaeu-8-small-block-ford-vaeu-8-engines-27-99777q02","provider":"PartsVu","version":"1.0","type":"link"}