{"product_id":"mercury-quicksilver-fuel-pump-diaphragm-kit-857005a1-21-857005a1","title":"Mercury Quicksilver Fuel Pump Diaphragm Kit | 12-Piece | 857005A1 \/ 21-857005A1","description":"\u003ch2\u003eGenuine Mercury \/ Quicksilver Fuel Pump Diaphragm Kit — 12-Piece\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 857005A1 (also catalogued as 21-857005A1)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Fuel Pump \/ Carburetor Diaphragm Rebuild Kit — 12 pieces\u003c\/p\u003e\u003ch3\u003eWhat Does This Kit Do?\u003c\/h3\u003e\u003cp\u003eThe 857005A1 is a genuine Mercury \/ Quicksilver OEM 12-piece service kit used to rebuild or repair the mechanical fuel pump and carburetor diaphragm assembly on 2-stroke outboard motors. The kit restores proper mechanical vacuum pressure within the pump to maintain uniform, consistent fuel delivery to the carburetors.\u003c\/p\u003e\u003ch3\u003eKit Contents (12 Pieces)\u003c\/h3\u003e\u003cp\u003eIncludes: fuel pump diaphragms, sealing gaskets, check valves, a tension spring, a cap, and assembly screws.\u003c\/p\u003e\u003ch3\u003eCommon Symptoms Addressed\u003c\/h3\u003e\u003cp\u003eServicing the pump with this kit helps correct:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRough idling or engine hesitation\u003c\/li\u003e\n\u003cli\u003eLoss of top-end power\u003c\/li\u003e\n\u003cli\u003eHard-starting\u003c\/li\u003e\n\u003cli\u003ePoor fuel delivery caused by a stiff, torn, or stretched diaphragm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003ePrimarily engineered for \u003cstrong\u003eMercury and Mariner 3-cylinder 2-stroke outboards\u003c\/strong\u003e ranging from 30hp to 65hp, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e45 Jet\u003c\/strong\u003e — Serial No. 0D000750 through 0P016999\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50hp\u003c\/strong\u003e — 3-Cylinder models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e55hp\u003c\/strong\u003e — 3-Cylinder models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60hp\u003c\/strong\u003e — 3-Cylinder models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote: Can also cross-reference onto select vintage Force outboard configurations using specific mechanical fuel pump blocks.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot sure if this fits your engine?\u003c\/strong\u003e Contact us with your engine \u003cstrong\u003eserial number\u003c\/strong\u003e and we'll confirm compatibility for you.\u003c\/p\u003e\u003ch3\u003eAftermarket Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSierra Marine:\u003c\/strong\u003e 18-7817\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed Rhino \/ OBR:\u003c\/strong\u003e FM-803\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGLM:\u003c\/strong\u003e 40290\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy From Warragul Marine?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine Mercury \/ Quicksilver OEM parts — not aftermarket\u003c\/li\u003e\n\u003cli\u003eFast dispatch from our Australian warehouse\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QUICKSILVER","offers":[{"title":"Default Title","offer_id":44249260556473,"sku":"857005A1","price":37.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1623\/1353\/files\/JM-40290.jpg?v=1717541579","url":"https:\/\/shop.warragulmarine.com.au\/products\/mercury-quicksilver-fuel-pump-diaphragm-kit-857005a1-21-857005a1","provider":"Warragul Marine","version":"1.0","type":"link"}