{"product_id":"mercury-black-diamond-quicksilver-propeller-3-blade-40-to-125-hp-12-8-dia-21-pitch-qa2040x","title":"Mercury – Quicksilver Black Diamond 3-Blade Aluminum Propeller | 12.75\" Diameter x 21\" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | Phantom Black Finish | QA2040X","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Quicksilver Black Diamond 3-Blade Aluminum Propeller | 12.75\" Diameter x 21\" Pitch | Right-Hand Rotation | 3-Blade | Aluminum | Phantom Black Finish | QA2040X\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e something about slipping out onto calm water with the right prop under you — that steady, confident hum that tells you your \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eboat’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ready to move when you are. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver Black Diamond\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e has that feeling. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the kind of prop that \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003edoesn’t\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e try too hard; it just works — every time. Smooth acceleration, solid grip, and the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekind\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e of reliability you appreciate after a few long weekends on the water. This propeller delivers the balance between performance and value that keeps your focus where it belongs — on the ride, not the wrench.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDia\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emeter and Pitch:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 12.75\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e\" \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ediameter, 21\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e\" \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003epitch\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-Blade design\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 Durable aluminum construction\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 long-lasting shine\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 Compatible with the Quicksilver Flo Torq II hub system\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesign Detail:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Balanced for smooth performance and reduced vibration on acceleration\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDes\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury outboards\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e between \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e40–60 HP Command Thrust\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e75–125 HP\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e engines\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eWorks with boats up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e250 HP\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and speeds below 50 mph\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 MerCruiser\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e power setups (using the correct hub kit)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003erunabouts, pontoons, fishing boats, and light cruisers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e — anything that values a dependable, smooth-running prop\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou’\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ell\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e notice the difference the first time you push the throttle. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBlack Diamond\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e propeller gives you \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efirm\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e bite in the water, helping your boat lift cleanly onto plane without slipping or lagging. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAt cruising speeds, it runs \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003equiet\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esteady\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, with just enough responsiveness to make \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmall\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e steering corrections feel effortless.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIts \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ealuminum construction makes it forgiving — a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmall\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e bump against an unseen sandbar \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewon’t\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ruin your weekend. The finish not only looks sharp but also helps resist corrosion, making cleanup a breeze after a salty day offshore. Whether \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eyou’re\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e easing through a no-wake zone or chasing open water, this prop feels smooth, predictable, and confident.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy is this prop a strong choice vs. alternatives?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eGenuine Mercury quality\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e built to factory standards — the same level of precision used in new Mercury and Mariner engines.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCost-effective without compromise\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, delivering strong, reliable performance at a fraction of 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 design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e easy to clean, repair, and replace when needed.\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 — thanks to the Flo Torq II hub system, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a direct match for a wide range of engine brands.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReal-world durability\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, proven by boaters \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewho’ve\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e logged countless hours running this prop without drama or surprises.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eyou’re\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e looking for a propeller that \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewon’t\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e let you down — something \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e as practical as it is capable — the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBlack Diamond\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is the go-to choice. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e what experienced boaters keep as their trusted standard.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ Section\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines does the Quicksilver Black Diamond 12.75 x 21 fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Mercury outboards from 40–60 HP Command Thrust and 75–125 HP models, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ealong with\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e other compatible setups using the Quicksilver Flo Torq II hub system.\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 The Black Diamond stands out for its blend of durability, affordability, and smooth performance. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e built with the same attention to balance and finish as higher-end props but at a price that makes sense for everyday boaters.\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eboat’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e top speed is under 50 mph and your engine falls within the 40–125 HP range, this 21-pitch setup typically offers strong acceleration and steady cruising. Always check your \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eowner’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e manual or consult a Mercury prop chart for \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexact\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e fit.\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 Absolutely. Its high-gloss Phantom Black finish provides excellent corrosion resistance, making it suitable for either environment.\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 It uses the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver Flo Torq II hub system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, allowing you to swap or service it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eeasily\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e across compatible engine types.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932819083555,"sku":"QA2040X","price":142.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/BlackDiamond_Aluminum_40-60CT_75-115hp_RH_Main_a0b27532-ec69-48e2-aa95-e693eab71c40.jpg?v=1760631568","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-black-diamond-quicksilver-propeller-3-blade-40-to-125-hp-12-8-dia-21-pitch-qa2040x","provider":"PartsVu","version":"1.0","type":"link"}