{"product_id":"merc-26","title":"Mercury Outboard Water Pump Gasket Gear Housing 16160004","description":"\u003cp\u003eMercury Quicksilver 16160004 is a genuine OEM \u003cstrong\u003egasket\u003c\/strong\u003e used in the \u003cstrong\u003egear housing \/ driveshaft water pump assembly\u003c\/strong\u003e on select small Mercury and Mariner outboards. Current Mercury-oriented parts diagrams place 16160004 in the water pump stack between the lower gear housing components and the water pump plate, which makes this a water-pump service gasket rather than a general engine gasket.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury Marine OEM part number \u003cstrong\u003e16160004 \/ 27-16160004\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUsed in the \u003cstrong\u003egear housing \/ driveshaft\u003c\/strong\u003e water pump service area on compatible small outboards.\u003c\/li\u003e\n\u003cli\u003eCurrent Mercury-oriented diagrams show it paired with nearby water pump parts such as \u003cstrong\u003eplate 16159\u003c\/strong\u003e, \u003cstrong\u003eimpeller 161543 \/ 8M0204676\u003c\/strong\u003e, \u003cstrong\u003eliner 16157\u003c\/strong\u003e, and \u003cstrong\u003eupper water pump housing 16156\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCurrent dealer listing shows \u003cstrong\u003eGTIN \/ UPC 745061116337\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCurrent dealer shipping specs are approximately \u003cstrong\u003e0.01 lb\u003c\/strong\u003e, \u003cstrong\u003e2.50 in. x 1.88 in. x 0.13 in.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe strongest supportable fitment for 16160004 is \u003cstrong\u003esmall Mercury and Mariner outboards\u003c\/strong\u003e in the \u003cstrong\u003egear housing \/ driveshaft\u003c\/strong\u003e service area, including current where-used coverage for \u003cstrong\u003e4 HP and 5 HP 2-stroke models\u003c\/strong\u003e and \u003cstrong\u003e4 HP, 5 HP, and 6 HP 4-stroke models\u003c\/strong\u003e across the listed serial ranges. Current dealer references also connect it to some related small-engine variants in the same lower-unit family.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eVerify fitment by exact \u003cstrong\u003eoutboard serial number\u003c\/strong\u003e and the correct \u003cstrong\u003egear housing \/ driveshaft or gear housing components\u003c\/strong\u003e diagram before ordering. This gasket appears across multiple small Mercury and Mariner lower-unit families, so serial-based confirmation is the safest way to match the correct water pump service gasket.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this gasket whenever the water pump housing is opened, or when the existing gasket is torn, compressed, leaking, or no longer sealing correctly. Because current parts diagrams place it directly in the water pump stack, renewing it during impeller or lower-unit water pump service is usually the right move instead of reusing the old gasket. This is a practical service inference supported by its documented location in the pump assembly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstall 16160004 only after confirming the correct Mercury or Mariner lower-unit diagram for the outboard being serviced. Current diagrams show it in the same service stack as the \u003cstrong\u003ewater pump plate\u003c\/strong\u003e, \u003cstrong\u003eimpeller\u003c\/strong\u003e, \u003cstrong\u003eliner\u003c\/strong\u003e, and \u003cstrong\u003eupper water pump housing\u003c\/strong\u003e, so it should be matched to the exact pump layout during reassembly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCurrent sources connect earlier Mercury OEM number \u003cstrong\u003e16160\u003c\/strong\u003e to active part number \u003cstrong\u003e16160004\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWith small outboard water pump parts, the important match is the \u003cstrong\u003eexact lower-unit diagram\u003c\/strong\u003e, not just the word “gasket.” A quick serial-number lookup usually saves time because several nearby gaskets in the same pump stack can look similar on the bench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563838603300,"sku":"16160004","price":7.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/4259be89-2689-464d-a695-eeec057c0249.png?v=1776988958","url":"https:\/\/marisolmarine.com\/products\/merc-26","provider":"Marisol Marine Company","version":"1.0","type":"link"}