{"product_id":"merc-44","title":"Mercury MerCruiser Trim Pump Reservoir Screw O-Ring Spacer 18527","description":"\u003cp\u003eMercury MerCruiser Quicksilver 18527 is a genuine OEM \u003cstrong\u003escrew with O-ring and spacer\u003c\/strong\u003e used in the \u003cstrong\u003epower trim \/ tilt pump-motor assembly\u003c\/strong\u003e with the \u003cstrong\u003ebottom-mounted reservoir, Design I (14336A8)\u003c\/strong\u003e. Current Mercury dealer references list it as \u003cstrong\u003e10-18527 SCREW\u003c\/strong\u003e, while current OEM-style assembly breakdowns describe it more specifically as \u003cstrong\u003eSCREW, With O-Ring And Spacer\u003c\/strong\u003e in the trim pump reservoir assembly.\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\u003e18527 \/ 10-18527\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCurrent assembly references identify it as \u003cstrong\u003escrew with O-ring and spacer\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUsed with the \u003cstrong\u003ebottom-mounted reservoir\u003c\/strong\u003e trim pump \/ motor assembly, \u003cstrong\u003eDesign I - 14336A8\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCurrent dealer listing shows \u003cstrong\u003eGTIN 745061123892\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCurrent dealer shipping specs are approximately \u003cstrong\u003e0.02 lb\u003c\/strong\u003e, \u003cstrong\u003e1.50 in. x 1.50 in. x 1.00 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 18527 is \u003cstrong\u003eMerCruiser trim \/ tilt \/ lift system\u003c\/strong\u003e service rather than a generic engine-only application. Current application references connect it to \u003cstrong\u003eAlpha One Gen II\u003c\/strong\u003e, \u003cstrong\u003eR\/MR\/Alpha One\u003c\/strong\u003e, \u003cstrong\u003eBravo One\u003c\/strong\u003e, \u003cstrong\u003eBravo Two\u003c\/strong\u003e, \u003cstrong\u003eBravo Three\u003c\/strong\u003e, \u003cstrong\u003eBlackhawk\u003c\/strong\u003e, \u003cstrong\u003eTR\/TRS\u003c\/strong\u003e, \u003cstrong\u003eBravo XR\/XZ\u003c\/strong\u003e, and related \u003cstrong\u003eintegrated transom\u003c\/strong\u003e and \u003cstrong\u003erace stern drive\u003c\/strong\u003e applications including \u003cstrong\u003eScorpion 377 Sterndrive\u003c\/strong\u003e, \u003cstrong\u003e500 EFI\u003c\/strong\u003e, \u003cstrong\u003e500 Carb (502)\u003c\/strong\u003e, \u003cstrong\u003e500 Bulldog\u003c\/strong\u003e, and \u003cstrong\u003e575 SCi\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eVerify fitment by exact \u003cstrong\u003edrive model\u003c\/strong\u003e, \u003cstrong\u003eserial number\u003c\/strong\u003e, and the correct \u003cstrong\u003etrim pump \/ motor reservoir\u003c\/strong\u003e parts diagram before ordering. With 18527, the key match is the \u003cstrong\u003eDesign I bottom-mounted reservoir\u003c\/strong\u003e pump assembly, because similar Mercury trim pump hardware can look close while serving different pump designs.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this part when the existing \u003cstrong\u003ereservoir screw, O-ring, or spacer\u003c\/strong\u003e is damaged, leaking, missing, or no longer seals the trim pump reservoir correctly. Since current assembly references place it directly at the reservoir end of the trim pump\/motor assembly, renewing it during pump service is often the smarter move than reusing worn sealing hardware. This is a practical service inference based on its documented reservoir-screw role.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInstall 18527 only after confirming the correct Mercury MerCruiser \u003cstrong\u003epump\/motor assembly design\u003c\/strong\u003e for the unit being serviced. Current diagrams place it with nearby parts such as the \u003cstrong\u003eoil reservoir cap 861597 \/ 18526\u003c\/strong\u003e, \u003cstrong\u003ereservoir 18525A1\u003c\/strong\u003e, \u003cstrong\u003eO-ring 25-17645\u003c\/strong\u003e, and \u003cstrong\u003epump assembly 18529\u003c\/strong\u003e, so it should be matched to the exact trim pump layout during reassembly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCurrent supersession references connect older Mercury OEM number \u003cstrong\u003e17648\u003c\/strong\u003e to active part number \u003cstrong\u003e18527\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFor small trim-pump hardware like this, the important match is the \u003cstrong\u003epump design and reservoir layout\u003c\/strong\u003e, not just the screw size. A quick parts-diagram check usually saves time because reservoir screws and sealing hardware can vary between trim pump versions even when they look nearly identical.\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":43563839520804,"sku":"18527","price":11.09,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/ac11b798-8786-4a63-85e5-1a58b24b76cb.png?v=1777002112","url":"https:\/\/marisolmarine.com\/products\/merc-44","provider":"Marisol Marine Company","version":"1.0","type":"link"}