{"product_id":"water-distribution-housing-for-mercruiser-manual-drain-plugs-863802t2-863631t1","title":"Water Distribution Housing for MerCruiser Manual Drain Plugs 863802T2 863631T1","description":"\u003cstrong\u003eThis Water Distribution Housing is a replacement coolant manifold for MerCruiser stern drive and inboard engines, compatible with models requiring manual drain plugs, and matches OEM Part# 863802T2 and 863631T1.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis water distribution housing directs coolant flow through MerCruiser engines to maintain proper operating temperature. Designed to replace worn or cracked OEM housings, it includes provisions for manual drain plugs for easy winterization. Ideal for boat owners or mechanics servicing MerCruiser 4.3L, 5.0L, 5.7L, and similar V6\/V8 engines.\u003c\/p\u003e \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDirect replacement for OEM parts 863802T2 and 863631T1.\u003c\/li\u003e \u003cli\u003eCast from corrosion-resistant aluminum alloy for long service life in salt and fresh water.\u003c\/li\u003e \u003cli\u003eIncludes threaded ports for manual drain plugs (plugs sold separately) to simplify off-season storage.\u003c\/li\u003e \u003cli\u003ePrecision-machined sealing surfaces to prevent leaks.\u003c\/li\u003e \u003cli\u003eCompatible with standard MerCruiser thermostat housings and coolant hoses.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eMerCruiser 4.3L (Gen II)\u003c\/li\u003e \u003cli\u003eMerCruiser 5.0L (Gen II)\u003c\/li\u003e \u003cli\u003eMerCruiser 5.7L (Gen II)\u003c\/li\u003e \u003cli\u003eMerCruiser 6.2L (Gen II)\u003c\/li\u003e \u003cli\u003eMerCruiser 8.1L (Gen II)\u003c\/li\u003e \u003cli\u003eReplaces housings with manual drain plug ports\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eReplacing a cracked or corroded water distribution housing on MerCruiser engines.\u003c\/li\u003e \u003cli\u003eUpgrading to a housing with manual drain plug capability for easier winterization.\u003c\/li\u003e \u003cli\u003eRestoring cooling system function in older or high-hour marine engines.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 863802T2, 863631T1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cast aluminum\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrain Type:\u003c\/strong\u003e Manual plug (not included)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEngine Application:\u003c\/strong\u003e MerCruiser V6\/V8 Gen II\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this housing fit my MerCruiser 5.7L Alpha One?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, it is designed for Gen II V6 and V8 engines including the 5.7L; verify your engine’s serial number for exact compatibility.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the housing come with drain plugs?\u003cstrong\u003e A:\u003c\/strong\u003e No, manual drain plugs are sold separately; the housing has the threaded ports ready for standard plugs.\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":53676773703953,"sku":"ZZ2Y01905","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_cc56a526-8bb3-4498-a993-6c686ffd9644.jpg?v=1781578008","url":"https:\/\/www.duraforce.com\/products\/water-distribution-housing-for-mercruiser-manual-drain-plugs-863802t2-863631t1","provider":"DURAFORCE","version":"1.0","type":"link"}