{"product_id":"863631t1-distribution-housing-for-mercury-mercruiser-4-3-5-0-5-7-6-2l-inboard","title":"863631T1 Distribution Housing for Mercury Mercruiser 4.3 5.0 5.7 6.2L Inboard","description":"\u003cstrong\u003eThis Water Distribution Housing is a replacement water distribution housing compatible with Mercury and Mercruiser 4.3L, 5.0L, 5.7L, and 6.2L inboard engines and matches OEM Part# 863631T1.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e This Water Distribution Housing routes coolant from the engine block to manifolds and exhaust elbows on Mercury and Mercruiser 4.3L, 5.0L, 5.7L, and 6.2L inboard marine engines. The housing maintains proper cooling flow and pressure, preventing hot spots and overheating. Built as a direct OEM-spec replacement, this water distribution housing restores cooling system integrity for boat owners and marine mechanics. \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePrecision-cast to match OEM dimensions and port alignment for bolt-on installation\u003c\/li\u003e \u003cli\u003eCorrosion-resistant material formulation suited for fresh and saltwater environments\u003c\/li\u003e \u003cli\u003eMaintains consistent coolant flow to both cylinder banks and exhaust risers\u003c\/li\u003e \u003cli\u003eReinforced mounting flanges resist warping and sealing face distortion\u003c\/li\u003e \u003cli\u003eAccepts standard marine gaskets and hose connections without modification\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMercury\/Mercruiser 4.3L V6 inboard engines\u003c\/li\u003e \u003cli\u003eMercury\/Mercruiser 5.0L V8 inboard engines\u003c\/li\u003e \u003cli\u003eMercury\/Mercruiser 5.7L V8 inboard engines\u003c\/li\u003e \u003cli\u003eMercury\/Mercruiser 6.2L V8 inboard engines\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReplacing a cracked, leaking, or corroded water distribution housing\u003c\/li\u003e \u003cli\u003eRestoring proper coolant distribution during an engine rebuild or repower\u003c\/li\u003e \u003cli\u003eServicing raw-water or closed cooling systems on stern drive and inboard setups\u003c\/li\u003e \u003cli\u003eAddressing uneven engine temperatures caused by a restricted housing\u003c\/li\u003e \u003cli\u003ePreventative maintenance when upgrading hoses and thermostats\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 863631T1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatible Engine Sizes:\u003c\/strong\u003e 4.3L, 5.0L, 5.7L, 6.2L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Inboard marine engines\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this housing work with both raw water and closed cooling systems?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, it is designed for standard inboard cooling circuits and functions in both raw water and closed cooling configurations.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are gaskets included with this water distribution housing?\u003cstrong\u003e A:\u003c\/strong\u003e No, gaskets are sold separately; use OEM or equivalent marine-grade gaskets for a leak-free seal.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679700934929,"sku":"ZZ3A00119","price":54.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_987754b9-22ed-4e59-a7f2-5ba780f9a5da.jpg?v=1781653745","url":"https:\/\/www.duraforce.com\/products\/863631t1-distribution-housing-for-mercury-mercruiser-4-3-5-0-5-7-6-2l-inboard","provider":"DURAFORCE","version":"1.0","type":"link"}