{"product_id":"mercury-blkdia-8-25x8-qa3178r","title":"Mercury – Quicksilver Black Diamond Propeller | 8.3\" Diameter x 8\" Pitch | Right-Hand Rotation | 3 Blades | Aluminum | Black Finish | QA3178R","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Quicksilver Black Diamond 3-Blade Aluminum Propeller | 8.3\" Diameter x 8\" Pitch | Right-Hand Rotation | 3 Blades | Aluminum | Black Finish | QA3178R\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\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\"\u003eThere’s something undeniably peaceful about a morning out on the water — the hum of the motor, the glassy surface breaking under your boat, and that steady rhythm that keeps you moving forward. T\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehe Quicksilver Black Diamond 8.3\" x 8\" Aluminum Propeller is built for exactly that feeling. It’s not just about getting from one point to another; it’s about the confidence that comes from knowing your prop will perform every single time. This Mercury propeller delivers smooth thrust, quiet handling, and dependable performance — the kind of reliability that makes every trip effortless.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDiameter and Pitch:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 8.3\" diameter, 8\" pitch\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eRotation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Right-Hand\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBlade Count:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 3 blades\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Cast aluminum for strength and lightweight durability\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFinish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e High-gloss Phantom Black coating for corrosion resistance\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHub System:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Rubber hub included for smoother operation and reduced vibration\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesign Details:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Precision-balanced for optimal performance, efficiency, and easy maintenance\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEn\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003egine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e8–14 horsepower engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with Pin drive systems (various makes and models)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury, Mariner, and other small-engine brands\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e using similar hub configurations\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eGreat fit for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003edinghies, inflatables, aluminum fishing boats, and light utility boats\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003ePerfect for boaters seeking \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003equiet operation, predictable control, and easy maintenance\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003erformance Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe Black Diamond 8.3\" x 8\" isn’t about chasing speed records — it’s about balance and control. From the first push of the throttle, you’ll feel the propeller’s grip in the water, giving you clean acceleration and steady lift. It moves your boat with quiet confidence, helping you plane out smoothly and handle shifting currents with ease.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e three-blade design provides just the right mix of thrust and efficiency. You’ll notice how smoothly it transitions between idle and cruising speeds, especially when maneuvering near docks or tight channels. There’s no harsh vibration or unpredictable pull — just that steady, even response that makes boating feel natural.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIts \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePhantom Black finish\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e isn’t just sleek — it’s practical. It re\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esists corrosion, salt buildup, and small nicks from underwater debris. Maintenance couldn’t be simpler: a quick rinse and it’s ready for the next trip. And because it’s made from high-quality aluminum, it’s both lightweight and forgiving. If you happen to graze a sandbar or rock, it’s usually repairable — unlike stainless props that can turn a minor bump into a major expense.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy is\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e this prop a strong choice vs. alternatives?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury OEM quality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Built to the same precision standards trusted by Mercury engineers.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable and affordable:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Delivers reliable performance without the cost of stainless steel.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eLow-maintenance finish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The high-gloss Phantom Black coating defends against wear and corrosion.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSmooth\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and quiet operation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The rubber hub absorbs vibration and ensures consistent power transfer.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eVersatile fit:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Works across multiple small-engine configurations, making it a go-to for dependable performance.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis propeller is perfect for boaters who prefer reliability and simplicity. Whethe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003er you’re navigating calm lakes, fishing quiet coves, or just cruising near shore, the Black Diamond 8.3\" x 8\" gives you steady performance that you can count on, season after season.\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 Quicksilver Black Diamond 8.3\" x 8\" fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s designed for 8–14 horsepower engines with Pin drive systems, compatible with various makes and models, including Mercury and Mariner.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this propeller different from other Mercury options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s built for smaller engines that need balance and control rather than high-speed power, offering smooth thrust, quiet operation, and easy maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know if this pitch or size is right for my boat?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your boat uses an 8–14 horsepower engine and you value steady lift, predictable handling, and durability, this 8.3\" x 8\" pitch prop is a great match.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this prop be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. The Phantom Black finish protects against corrosion and salt buildup in both environments — just rinse after saltwater use to maintain its shine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: What hub system does it use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e This model includes a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003erubber hub\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, which absorbs vibration and ensures smooth, quiet power transfer for consistent, reliable performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932811546915,"sku":"QA3178R","price":125.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/qa3178r_main.jpg?v=1760631585","url":"https:\/\/partsvu.com\/fr\/products\/mercury-blkdia-8-25x8-qa3178r","provider":"PartsVu","version":"1.0","type":"link"}