{"product_id":"8172771-mercury-mercruiser-278172771-gasket-genuine-quicksilver-oem-part","title":"8172771 Mercury MerCruiser 278172771  27-430341  Gasket | Genuine Quicksilver OEM Part","description":"\u003cp\u003e\n 🔧 Product Description\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Genuine Quicksilver Water Pump Top Gasket - Part Number: 27-8172771\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine Quicksilver water pump gasket used in selected Mercury \/ Mariner outboard and MerCruiser Alpha One Gen II water pump applications. This gasket seals the top water pump housing area to help maintain correct cooling water pressure through the lower-unit pump assembly.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n ⚙️ Key Features\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Quicksilver OEM water pump gasket\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct Mercury part number 27-8172771\n\u003c\/p\u003e\n\u003cp\u003e\n • Used in water pump top housing applications\n\u003c\/p\u003e\n\u003cp\u003e\n • Fits selected Mercury \/ Mariner outboards and Alpha One Gen II pump assemblies\n\u003c\/p\u003e\n\u003cp\u003e\n • Important replacement gasket during water pump housing or impeller service\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM Supersession Chain:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 27-8172771 → Supersedes 27-430341\n\u003c\/p\u003e\n\u003cp\u003e\n • 27-430341 earlier OEM gasket reference\n\u003c\/p\u003e\n\u003cp\u003e\n • 27-43034-1 earlier formatted OEM reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM \/ Related Numbers:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 27-8172771\n\u003c\/p\u003e\n\u003cp\u003e\n • 8172771\n\u003c\/p\u003e\n\u003cp\u003e\n • 278172771\n\u003c\/p\u003e\n\u003cp\u003e\n • 27-817277-1\n\u003c\/p\u003e\n\u003cp\u003e\n • 817277\n\u003c\/p\u003e\n\u003cp\u003e\n • 27-430341\n\u003c\/p\u003e\n\u003cp\u003e\n • 430341\n\u003c\/p\u003e\n\u003cp\u003e\n • 27-43034-1\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Aftermarket \/ Verified Equivalents:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Recmar: REC27-8172771\n\u003c\/p\u003e\n\u003cp\u003e\n • No additional aftermarket equivalent\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🚤 Compatibility\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Commonly used on:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury \/ Mariner water pump top gasket applications\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser Alpha One Gen II water pump gasket applications\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine \/ drive models:\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser Alpha One Gen II sterndrive - serial 0D469859 and up\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury \/ Mariner 50HP to 250HP 2-stroke water pump applications where 27-8172771 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury \/ Mariner 30HP to 75HP FourStroke water pump applications where 27-8172771 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury \/ Mariner 135HP to 275HP Verado water pump applications where 27-8172771 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 40 EFI FourStroke lower-unit water pump applications where 27-8172771 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 50 EFI FourStroke lower-unit water pump applications where 27-8172771 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 60 EFI FourStroke lower-unit water pump applications where 27-8172771 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 75 \/ 90 \/ 115 FourStroke water pump applications where 27-8172771 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury 200 \/ 225 \/ 250 EFI \/ DFI water pump applications where 27-8172771 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Mercury Verado 200 \/ 225 \/ 250 \/ 275 \/ 300 L6 water pump applications where 27-8172771 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: 30HP - 300HP where specified, plus Alpha One Gen II sterndrive applications\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine \/ Drive Type: Mercury \/ Mariner outboard and MerCruiser Alpha One Gen II\n\u003c\/p\u003e\n\u003cp\u003e\n • System Type: Water pump top gasket \/ pump housing seal\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔌 Function\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The gasket seals the water pump housing joint so the impeller can build correct water pressure without leakage at the pump body.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Common signs of failure:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Water pump pressure loss\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine overheating after pump service\n\u003c\/p\u003e\n\u003cp\u003e\n • Torn or flattened gasket during disassembly\n\u003c\/p\u003e\n\u003cp\u003e\n • Leaks around the pump housing joint\n\u003c\/p\u003e\n\u003cp\u003e\n • Weak cooling water output despite new impeller\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 📦 Condition\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Quicksilver part\n\u003c\/p\u003e\n\u003cp\u003e\n • Brand new\n\u003c\/p\u003e\n\u003cp\u003e\n • Supplied in original or equivalent packaging\n\u003c\/p\u003e\n","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":53388140871972,"sku":"745061321540","price":10.38,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_ecc05b41-4a42-4685-ac99-c9e15f58b9c0.jpg?v=1777211991","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/8172771-mercury-mercruiser-278172771-gasket-genuine-quicksilver-oem-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}