{"product_id":"bmw-victor-reinz-rear-crankshaft-seal-81-20745-40-oe-11-14-1-706-785-11-14-2-245-364-11-14-2-249-533","title":"BMW Victor Reinz Rear Crankshaft Seal – 81-20745-40 \/ OE 11 14 1 706 785 \/ 11 14 2 245 364 \/ 11 14 2 249 533","description":"\u003ch1 data-start=\"0\" data-end=\"53\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2\" data-end=\"53\"\u003eVictor Reinz Rear Crankshaft Seal – 81-20745-40\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2 data-start=\"55\" data-end=\"72\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"58\" data-end=\"72\"\u003eQuick Info\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"73\" data-end=\"286\"\u003eOEM-quality rear crankshaft oil seal (rear main seal) for BMW petrol and diesel inline engines.\u003cbr data-start=\"168\" data-end=\"171\"\u003eDesigned to prevent engine oil leaks between the crankshaft and transmission. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv role=\"button\" class=\"group my-4 block w-full cursor-pointer text-start\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex flex-col gap-3 md:flex-row md:items-center md:gap-6\"\u003e\n\u003cdiv class=\"relative aspect-[1.45] w-full overflow-hidden rounded-[28px] bg-[#F3F3F3] md:aspect-square md:h-[180px] md:w-[180px] md:shrink-0 dark:bg-[#F3F3F3]\" data-shopping-product-image-pdp-click-target=\"true\"\u003e\n\u003cbutton type=\"button\" aria-pressed=\"false\" aria-label=\"Select product\" class=\"focus-visible:outline-token-outline-primary absolute z-10 flex size-7 items-center justify-center rounded-full focus-visible:outline-offset-[-8px] end-2 top-2 pointer-events-none opacity-0 group-hover:pointer-events-auto group-hover:opacity-100 end-2 top-2\"\u003e\u003cspan class=\"absolute inset-1.5 rounded-full bg-black\/35 blur-md\"\u003e\u003c\/span\u003e\u003cspan class=\"z-[11] flex size-5 items-center justify-center rounded-full\"\u003e\u003cspan class=\"relative size-5 rounded-full border-2 border-current text-white\"\u003e\u003cspan class=\"absolute inset-0 rounded-full bg-white\/10 backdrop-blur-sm\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/button\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"font-['SF_Pro_Text','SF_Pro_Display','SF_Pro',var(--font-sans)] flex min-w-0 flex-col justify-center\"\u003e\n\u003cdiv class=\"mt-1 flex flex-col gap-1 md:mt-0\"\u003e\n\u003cdiv class=\"md:hidden\"\u003e\n\u003cdiv class=\"text-token-text-primary flex flex-wrap items-center gap-x-0 gap-y-1 text-[17px] leading-6 font-normal tracking-[-0.43px] md:text-body-regular\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-start=\"330\" data-end=\"348\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"333\" data-end=\"348\"\u003eDescription\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"349\" data-end=\"450\"\u003eVictor Reinz 81-20745-40 is a rear crankshaft seal installed at the transmission end of the engine.\u003c\/p\u003e\n\u003cp data-start=\"452\" data-end=\"728\"\u003eThis seal prevents engine oil from leaking past the rear of the crankshaft while maintaining proper sealing under high RPM and crankcase pressure conditions. Manufactured from FPM\/Viton material for high temperature and long service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"730\" data-end=\"823\"\u003eSupplied with mounting sleeve for correct installation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"825\" data-end=\"828\"\u003e\n\u003ch2 data-start=\"830\" data-end=\"871\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"833\" data-end=\"871\"\u003eDeep Engine Compatibility Research\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"873\" data-end=\"899\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"877\" data-end=\"899\"\u003eBMW Petrol Engines\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"900\" data-end=\"1016\"\u003e✔️ \u003cstrong data-start=\"903\" data-end=\"910\"\u003eM10\u003c\/strong\u003e\u003cbr data-start=\"910\" data-end=\"913\"\u003e✔️ \u003cstrong data-start=\"916\" data-end=\"923\"\u003eM20\u003c\/strong\u003e\u003cbr data-start=\"923\" data-end=\"926\"\u003e✔️ \u003cstrong data-start=\"929\" data-end=\"936\"\u003eM30\u003c\/strong\u003e\u003cbr data-start=\"936\" data-end=\"939\"\u003e✔️ \u003cstrong data-start=\"942\" data-end=\"949\"\u003eM40\u003c\/strong\u003e\u003cbr data-start=\"949\" data-end=\"952\"\u003e✔️ \u003cstrong data-start=\"955\" data-end=\"962\"\u003eM42\u003c\/strong\u003e\u003cbr data-start=\"962\" data-end=\"965\"\u003e✔️ \u003cstrong data-start=\"968\" data-end=\"975\"\u003eM44\u003c\/strong\u003e\u003cbr data-start=\"975\" data-end=\"978\"\u003e✔️ \u003cstrong data-start=\"981\" data-end=\"988\"\u003eM50\u003c\/strong\u003e\u003cbr data-start=\"988\" data-end=\"991\"\u003e✔️ \u003cstrong data-start=\"994\" data-end=\"1001\"\u003eM52\u003c\/strong\u003e\u003cbr data-start=\"1001\" data-end=\"1004\"\u003e✔️ \u003cstrong data-start=\"1007\" data-end=\"1014\"\u003eM54\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"1018\" data-end=\"1044\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1022\" data-end=\"1044\"\u003eBMW Diesel Engines\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1045\" data-end=\"1107\"\u003e✔️ \u003cstrong data-start=\"1048\" data-end=\"1055\"\u003eM21\u003c\/strong\u003e\u003cbr data-start=\"1055\" data-end=\"1058\"\u003e✔️ \u003cstrong data-start=\"1061\" data-end=\"1068\"\u003eM41\u003c\/strong\u003e\u003cbr data-start=\"1068\" data-end=\"1071\"\u003e✔️ \u003cstrong data-start=\"1074\" data-end=\"1081\"\u003eM47\u003c\/strong\u003e\u003cbr data-start=\"1081\" data-end=\"1084\"\u003e✔️ \u003cstrong data-start=\"1087\" data-end=\"1094\"\u003eM51\u003c\/strong\u003e\u003cbr data-start=\"1094\" data-end=\"1097\"\u003e✔️ \u003cstrong data-start=\"1100\" data-end=\"1107\"\u003eM57\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1109\" data-end=\"1119\"\u003e❌ NOT for:\u003c\/p\u003e\n\u003cul data-start=\"1120\" data-end=\"1151\"\u003e\n\u003cli data-start=\"1120\" data-end=\"1127\"\u003eN47\u003c\/li\u003e\n\u003cli data-start=\"1128\" data-end=\"1135\"\u003eN57\u003c\/li\u003e\n\u003cli data-start=\"1136\" data-end=\"1143\"\u003eB47\u003c\/li\u003e\n\u003cli data-start=\"1144\" data-end=\"1151\"\u003eB57\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1153\" data-end=\"1268\"\u003eThe seal is primarily used across older BMW E-series inline engine platforms. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1270\" data-end=\"1273\"\u003e\n\u003ch2 data-start=\"1275\" data-end=\"1299\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1278\" data-end=\"1299\"\u003eCommon BMW Models\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"1301\" data-end=\"1317\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1305\" data-end=\"1317\"\u003e3 Series\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1318\" data-end=\"1341\"\u003e\n\u003cli data-start=\"1318\" data-end=\"1325\"\u003eE30\u003c\/li\u003e\n\u003cli data-start=\"1326\" data-end=\"1333\"\u003eE36\u003c\/li\u003e\n\u003cli data-start=\"1334\" data-end=\"1341\"\u003eE46\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1343\" data-end=\"1359\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1347\" data-end=\"1359\"\u003e5 Series\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1360\" data-end=\"1383\"\u003e\n\u003cli data-start=\"1360\" data-end=\"1367\"\u003eE28\u003c\/li\u003e\n\u003cli data-start=\"1368\" data-end=\"1375\"\u003eE34\u003c\/li\u003e\n\u003cli data-start=\"1376\" data-end=\"1383\"\u003eE39\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1385\" data-end=\"1401\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1389\" data-end=\"1401\"\u003e7 Series\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1402\" data-end=\"1417\"\u003e\n\u003cli data-start=\"1402\" data-end=\"1409\"\u003eE32\u003c\/li\u003e\n\u003cli data-start=\"1410\" data-end=\"1417\"\u003eE38\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1419\" data-end=\"1435\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1423\" data-end=\"1435\"\u003eX Models\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1436\" data-end=\"1457\"\u003e\n\u003cli data-start=\"1436\" data-end=\"1446\"\u003eE53 X5\u003c\/li\u003e\n\u003cli data-start=\"1447\" data-end=\"1457\"\u003eE83 X3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1459\" data-end=\"1472\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1463\" data-end=\"1472\"\u003eOther\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1473\" data-end=\"1543\"\u003e\n\u003cli data-start=\"1473\" data-end=\"1479\"\u003eZ3\u003c\/li\u003e\n\u003cli data-start=\"1480\" data-end=\"1490\"\u003eZ4 E85\u003c\/li\u003e\n\u003cli data-start=\"1491\" data-end=\"1543\"\u003eE24 6 Series \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1545\" data-end=\"1548\"\u003e\n\u003ch2 data-start=\"1550\" data-end=\"1569\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1553\" data-end=\"1569\"\u003ePart Numbers\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1570\" data-end=\"1772\"\u003e\n\u003cli data-start=\"1570\" data-end=\"1603\"\u003eVictor Reinz: \u003cstrong data-start=\"1586\" data-end=\"1601\"\u003e81-20745-40\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1604\" data-end=\"1772\"\u003eBMW OE references:\n\u003cul data-start=\"1629\" data-end=\"1772\"\u003e\n\u003cli data-start=\"1629\" data-end=\"1648\"\u003e\u003cstrong data-start=\"1631\" data-end=\"1646\"\u003e11141706785\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1651\" data-end=\"1670\"\u003e\u003cstrong data-start=\"1653\" data-end=\"1668\"\u003e11142249533\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1673\" data-end=\"1692\"\u003e\u003cstrong data-start=\"1675\" data-end=\"1690\"\u003e11142245364\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1695\" data-end=\"1714\"\u003e\u003cstrong data-start=\"1697\" data-end=\"1712\"\u003e11141255012\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1717\" data-end=\"1772\"\u003e\n\u003cstrong data-start=\"1719\" data-end=\"1734\"\u003e11141275161\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1774\" data-end=\"1777\"\u003e\n\u003ch2 data-start=\"1779\" data-end=\"1803\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1782\" data-end=\"1803\"\u003eTechnical Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1804\" data-end=\"2111\"\u003e\n\u003cli data-start=\"1804\" data-end=\"1855\"\u003eType: Rear crankshaft oil seal \/ rear main seal\u003c\/li\u003e\n\u003cli data-start=\"1856\" data-end=\"1900\"\u003ePosition: Transmission end of crankshaft\u003c\/li\u003e\n\u003cli data-start=\"1901\" data-end=\"1929\"\u003eInner diameter: \u003cstrong data-start=\"1919\" data-end=\"1927\"\u003e90mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1930\" data-end=\"1959\"\u003eOuter diameter: \u003cstrong data-start=\"1948\" data-end=\"1957\"\u003e110mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1960\" data-end=\"1979\"\u003eWidth: \u003cstrong data-start=\"1969\" data-end=\"1977\"\u003e12mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1980\" data-end=\"2009\"\u003eMaterial: \u003cstrong data-start=\"1992\" data-end=\"2007\"\u003eFPM \/ Viton\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2010\" data-end=\"2046\"\u003eSwirl direction: Left-hand twist\u003c\/li\u003e\n\u003cli data-start=\"2047\" data-end=\"2111\"\u003eIncludes mounting sleeve \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2113\" data-end=\"2116\"\u003e\n\u003ch2 data-start=\"2118\" data-end=\"2130\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2121\" data-end=\"2130\"\u003eNotes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2131\" data-end=\"2283\"\u003e\n\u003cli data-start=\"2131\" data-end=\"2177\"\u003eOEM-quality Victor Reinz sealing component\u003c\/li\u003e\n\u003cli data-start=\"2178\" data-end=\"2232\"\u003eCommonly replaced during clutch or gearbox removal\u003c\/li\u003e\n\u003cli data-start=\"2233\" data-end=\"2283\"\u003eDesigned for long-life oil sealing performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2285\" data-end=\"2288\"\u003e\n\u003ch2 data-start=\"2290\" data-end=\"2306\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2293\" data-end=\"2306\"\u003eImportant\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2307\" data-end=\"2424\"\u003e❗ Not a front crank seal\u003cbr data-start=\"2331\" data-end=\"2334\"\u003e❗ Not for BMW modular N-series\/B-series diesels\u003cbr data-start=\"2381\" data-end=\"2384\"\u003e❗ Proper installation tool recommended\u003c\/p\u003e\n\u003chr data-start=\"2426\" data-end=\"2429\"\u003e\n\u003ch2 data-start=\"2431\" data-end=\"2463\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2434\" data-end=\"2463\"\u003eCommon issues when faulty\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2464\" data-end=\"2617\"\u003e\n\u003cli data-start=\"2464\" data-end=\"2503\"\u003eOil leak between engine and gearbox\u003c\/li\u003e\n\u003cli data-start=\"2504\" data-end=\"2546\"\u003eOil contamination on clutch\/flex plate\u003c\/li\u003e\n\u003cli data-start=\"2547\" data-end=\"2574\"\u003eRear engine oil seepage\u003c\/li\u003e\n\u003cli data-start=\"2575\" data-end=\"2617\"\u003eBurnt oil smell from transmission area\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2619\" data-end=\"2622\"\u003e\n\u003ch2 data-start=\"2624\" data-end=\"2646\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2627\" data-end=\"2646\"\u003eFitment Summary\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2647\" data-end=\"2752\"\u003e✔️ M47 \/ M57\u003cbr data-start=\"2659\" data-end=\"2662\"\u003e✔️ M50 \/ M52 \/ M54\u003cbr data-start=\"2680\" data-end=\"2683\"\u003e✔️ Older BMW inline petrol \u0026amp; diesel engines\u003cbr data-start=\"2726\" data-end=\"2729\"\u003e❌ Not N47 \/ N57 \/ B57\u003c\/p\u003e","brand":"Victor Reinz","offers":[{"title":"Default Title","offer_id":57294396588409,"sku":null,"price":25.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/3198\/9625\/files\/812074540-1_1.webp?v=1779100774","url":"https:\/\/sharkparts.com.au\/products\/bmw-victor-reinz-rear-crankshaft-seal-81-20745-40-oe-11-14-1-706-785-11-14-2-245-364-11-14-2-249-533","provider":"Shark Parts ","version":"1.0","type":"link"}