{"product_id":"water-pump-impeller-kit-w-housing-for-mercury-mariner-13-5-25hp-4-stroke-size-46-99157t2","title":"Water Pump Impeller Kit w\/Housing for Mercury Mariner 13.5-25HP 4-Stroke - size: 46-99157T2","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete Pump Kit WITH Housing (Not Impeller-Only, Not 18-3215 confusion)​ Direct aftermarket replacement for Mercury\/Mariner lower-unit pump service kits. Replaces 99157T2, 46-99157T2, 46-99157A2, 46-85098A2, 85098A2​ and crosses Sierra 18-3320, GLM 12014, Mallory 9-48300. Kit includes neoprene impeller 47-85089-3, SS\/ABS housing 99157A02, face plate 85083, gasket 993261, wear plate, woodruff key 8M0032838, O-rings 69202 + seals 85090001, 4× insulators 85095, washers. Match old housing stamp before ordering—this is the WITH-HOUSING version (99157T2); impeller-only packs omit the cup\/housing.\u003c\/li\u003e\n\u003cli\u003eFor Mercury \/ Mariner 4-Stroke 13.5-15HP BigFoot \u0026amp; 2-Stroke 18-25HP Crossflow​ Engineered for 4-stroke 13.5HP International, 15HP BigFoot 323cc (1998+)​ and 2-stroke 18\/18XD, 20\/20XD, 25\/25XD, 25 Sea Pro\/Marathon\/Super 15 (1984-2005 window). (Exact model-code\/S\/N — 15 BigFoot 0G590000+, 18XD 5837437+, 25XD 5705532+, 25 3-cyl 0E268781\u003c\/li\u003e\n\u003cli\u003e13.5-25HP Family Only — NOT 9.9 Non-BigFoot, NOT Force 25, NOT V6​ Critical:​ 99157T2 fits the 13.5-25HP 4-stroke BigFoot + 18-25HP 2-stroke crossflow​ lower unit. It does NOT​ fit 9.9HP non-BigFoot (uses different pump), Force 25 (different gasket stack), or V6 85-300HP. Verify your engine decal reads 13.5\/15\/18\/20\/25 HP​ and confirms BigFoot on 4-stroke 15HP before ordering.\u003c\/li\u003e\n\u003cli\u003eFixes Weak Tell-Tale, Overheat Alarm \u0026amp; Milky Gear Lube​ Resolves weak tell-tale stream, sudden overheat buzzer, melted impeller chunks in the housing, and water seeping past the pump seal into gearcase (milky lube). New neoprene impeller, SS316\/ABS housing, and fresh gaskets restore 2-4 GPM cooling flow. Grease the shaft lightly and clock vanes clockwise on install.\u003c\/li\u003e\n\u003cli\u003eLower-Unit Pull, 25-Minute Service​ Shift to neutral, drop lower unit (4× 7\/16\" mid-section bolts + trim tab\/anode), unstack old housing\/plate\/gaskets, seat woodruff key, drop impeller on shaft (vanes bend clockwise), stack new gaskets per diagram, torque housing bolts in cross pattern, rehang lower unit, refill gear lube. Run on flushing muffs 3 min to confirm tell-tale before launch. Salt-use interval: every 2 years or 200 hrs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e FREPURDO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Weight:\u003c\/strong\u003e 11 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle Service Type:\u003c\/strong\u003e Mercury Marine 13.5HP, 15HP, 18HP, 25HP​ 4-stroke outboard engines produced between 1984 and 2005\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Class:\u003c\/strong\u003e Light\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e FREPURDO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 46-99157T2, 46-99157A2, 99157A2, 46-85098A2, 85098A2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive Fit Type:\u003c\/strong\u003e Vehicle Specific Fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Highlight:\u003c\/strong\u003e OEM 99157T2 46-99157T2; repl 46-99157A2 46-85098A2; Mercury Mariner 13.5 15 18 25HP 4-stroke 84-2005 BigFoot; not 9.9 non-BF\nOEM 99157T2 46-99157T2; repl 46-99157A2 46-85098A2; Mercury Mariner 13.5 15 18 25HP 4-stroke 84-2005 BigFoot; not 9.9 non-BF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Count:\u003c\/strong\u003e 1 Count\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FREPURDO","offers":[{"title":"Default Title","offer_id":50414484455664,"sku":"B0GC523LBB-size-46-99157t2","price":53.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/8464\/5360\/files\/41S7ibDe82L.jpg?v=1788931375","url":"https:\/\/wrenchvanta.com\/products\/water-pump-impeller-kit-w-housing-for-mercury-mariner-13-5-25hp-4-stroke-size-46-99157t2","provider":"WrenchVanta","version":"1.0","type":"link"}