{"product_id":"merc-48","title":"Mercury MerCruiser Bracket 18903T","description":"\u003cp data-end=\"429\" data-start=\"87\"\u003eMercury MerCruiser 18903T is a genuine OEM \u003cstrong data-end=\"146\" data-start=\"130\"\u003erear bracket\u003c\/strong\u003e used in \u003cstrong data-end=\"191\" data-start=\"155\"\u003etransmission and engine mounting\u003c\/strong\u003e assemblies on a wide range of MerCruiser inboard gas engines. Current Mercury dealer references show \u003cstrong data-end=\"303\" data-start=\"293\"\u003e18903T\u003c\/strong\u003e as superseded to \u003cstrong data-end=\"333\" data-start=\"321\"\u003e18903T02\u003c\/strong\u003e, which is the current functional replacement part number. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"450\" data-start=\"431\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"450\" data-start=\"434\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-end=\"1037\" data-start=\"451\"\u003e\n\u003cli data-end=\"573\" data-start=\"451\"\u003eGenuine Mercury MerCruiser OEM part number \u003cstrong data-end=\"506\" data-start=\"496\"\u003e18903T\u003c\/strong\u003e, superseded to \u003cstrong data-end=\"534\" data-start=\"522\"\u003e18903T02\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"685\" data-start=\"574\"\u003eCurrent Mercury dealer description identifies it as \u003cstrong data-end=\"646\" data-start=\"628\"\u003eBRACKET (REAR)\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"817\" data-start=\"686\"\u003eUsed in \u003cstrong data-end=\"732\" data-start=\"696\"\u003etransmission and engine mounting\u003c\/strong\u003e layouts, including \u003cstrong data-end=\"765\" data-start=\"752\"\u003eHurth 630\u003c\/strong\u003e applications. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"909\" data-start=\"818\"\u003eCurrent dealer listing shows \u003cstrong data-end=\"870\" data-start=\"849\"\u003eGTIN 745061124905\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1037\" data-start=\"910\"\u003eCurrent shipping specs are approximately \u003cstrong data-end=\"964\" data-start=\"953\"\u003e5.06 lb\u003c\/strong\u003e, \u003cstrong data-end=\"998\" data-start=\"966\"\u003e4.50\" L x 3.25\" W x 11.00\" H\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1066\" data-start=\"1039\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1066\" data-start=\"1042\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1590\" data-start=\"1067\"\u003eCurrent Mercury dealer where-used references connect this rear bracket to a broad range of \u003cstrong data-end=\"1187\" data-start=\"1158\"\u003eMerCruiser inboard engine\u003c\/strong\u003e applications, including \u003cstrong data-end=\"1224\" data-start=\"1212\"\u003e5.7L MIE\u003c\/strong\u003e, \u003cstrong data-end=\"1242\" data-start=\"1226\"\u003e5.7L EFI MIE\u003c\/strong\u003e, \u003cstrong data-end=\"1263\" data-start=\"1244\"\u003e350 MAG MPI MIE\u003c\/strong\u003e, \u003cstrong data-end=\"1292\" data-start=\"1265\"\u003e350 MAG MPI Horizon MIE\u003c\/strong\u003e, \u003cstrong data-end=\"1306\" data-start=\"1294\"\u003e7.4L MIE\u003c\/strong\u003e, \u003cstrong data-end=\"1324\" data-start=\"1308\"\u003e7.4L MPI MIE\u003c\/strong\u003e, \u003cstrong data-end=\"1342\" data-start=\"1326\"\u003e8.1L Inboard\u003c\/strong\u003e, \u003cstrong data-end=\"1356\" data-start=\"1344\"\u003e8.2L MIE\u003c\/strong\u003e, and \u003cstrong data-end=\"1395\" data-start=\"1362\"\u003eMX 6.2L MPI MIE \/ Horizon MIE\u003c\/strong\u003e families. Current OEM diagrams also show \u003cstrong data-end=\"1447\" data-start=\"1437\"\u003e18903T\u003c\/strong\u003e in \u003cstrong data-end=\"1499\" data-start=\"1451\"\u003eTransmission and Engine Mounting (Hurth 630)\u003c\/strong\u003e breakdowns on 7.4L and related inboard applications. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"1627\" data-start=\"1592\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1627\" data-start=\"1595\"\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1953\" data-start=\"1628\"\u003eVerify fitment by exact \u003cstrong data-end=\"1676\" data-start=\"1652\"\u003eengine serial number\u003c\/strong\u003e and the correct \u003cstrong data-end=\"1735\" data-start=\"1693\"\u003etransmission \/ engine mounting diagram\u003c\/strong\u003e before ordering. This bracket appears across many MerCruiser inboard applications, so the safest match is the serial-specific parts breakdown rather than engine family name alone. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"1994\" data-start=\"1955\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1994\" data-start=\"1958\"\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"2477\" data-start=\"1995\"\u003eReplace this bracket when the original is cracked, bent, heavily corroded, or no longer supports the engine\/transmission mounting arrangement correctly. Because this is a structural mounting bracket used in the rear engine\/transmission support area, condition and exact fit matter more than appearance alone. This replacement guidance is a practical service inference based on its documented role in transmission and engine mounting assemblies. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"2504\" data-start=\"2479\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2504\" data-start=\"2482\"\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"2871\" data-start=\"2505\"\u003eInstall this part only after confirming the correct MerCruiser mounting diagram for the engine and transmission being serviced. Current OEM diagrams show the rear bracket used with related mounting hardware including \u003cstrong data-end=\"2741\" data-start=\"2722\"\u003eM12 x 45 screws\u003c\/strong\u003e, lockwashers, nuts, and the related \u003cstrong data-end=\"2802\" data-start=\"2778\"\u003efront bracket 66418T\u003c\/strong\u003e in Hurth 630 mounting layouts. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"2913\" data-start=\"2873\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2913\" data-start=\"2876\"\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"3047\" data-start=\"2914\"\u003eCurrent Mercury dealer references show \u003cstrong data-end=\"2965\" data-start=\"2953\"\u003e18903T02\u003c\/strong\u003e as the active replacement for \u003cstrong data-end=\"3006\" data-start=\"2996\"\u003e18903T\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"3074\" data-start=\"3049\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"3074\" data-start=\"3052\"\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"3404\" data-start=\"3075\"\u003eWith mounting brackets like this, the exact \u003cstrong data-end=\"3162\" data-start=\"3119\"\u003emounting system and transmission layout\u003c\/strong\u003e matter more than the bracket name alone. Matching the rear bracket to the correct serial-number-based mounting diagram is the best way to avoid getting the wrong support bracket for the engine package. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"3475\" data-start=\"3406\"\u003e\u003cstrong data-end=\"3419\" data-start=\"3406\"\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":43563839651876,"sku":"18903T","price":153.35,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/download_7602a28e-47a0-4f4a-84d6-f1bc1065f6a5.png?v=1776965548","url":"https:\/\/marisolmarine.com\/products\/merc-48","provider":"Marisol Marine Company","version":"1.0","type":"link"}