{"product_id":"crankcase-cover-by-yamaha-3b4-15411-01-00","title":"Crankcase Cover by Yamaha","description":"\u003cdiv style=\"font-family: Arial; font-size: 12pt;\"\u003e\n\u003ch2\u003eYamaha UTV\/ATV \u0026amp; Side by Side Crankcase \u0026amp; Parts - Available at buywitchdoctors.com\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications: Genuine OEM Yamaha Crankcase Cover, Part # 3B4-15411-01-00.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eKeep your machine running like new with genuine Yamaha Crankcase \u0026amp; Parts paired with premium maintenance parts from buywitchdoctors.com. The crankcase is the main housing at the bottom of the engine that holds the crankshaft, bearings, and often the transmission and oil passages, while related parts such as case halves, covers, dowels, bolts, breathers, and seals keep everything aligned and sealed. Because it supports the engine's rotating assembly and contains oil under constant heat and vibration, its condition is critical to engine strength, oil pressure, and long-term reliability. Riders most often replace crankcase parts after cracks or holes from a thrown rod or hard impact, oil leaks along the case seam or around covers, damaged bearing bores, stripped or broken bolt holes, warped mating surfaces, metal debris in the oil, water contamination, or any time the engine is split for a bottom-end rebuild.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Genuine OEM Yamaha Parts?\u003c\/h3\u003e\n\u003cp\u003eChoosing original equipment manufacturer (OEM) parts ensures your vehicle maintains its factory-standard performance, reliability, and fuel efficiency. Genuine parts eliminate the guesswork of aftermarket alternatives, offering a seamless integration with your engine's configuration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact-Fit Design:\u003c\/strong\u003e Matched to Yamaha's original bolt patterns, sealing surfaces, and dimensions for a leak-resistant fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory-Spec Quality:\u003c\/strong\u003e Built to the same standards as the parts installed on your machine at the factory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeace of Mind:\u003c\/strong\u003e Skip the trial and error of universal or aftermarket parts that may not seal or align correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Precision Engineering\u003c\/h3\u003e\n\u003cp\u003eCrafted to strict factory tolerances, these components utilize high-grade alloys and chemical-resistant seals. This specialized engineering withstands harsh off-road vibrations, extreme temperatures, and modern fuel additives, preventing premature wear and leaks. Genuine crankcase parts are cast from strong, heat-conducting alloy with precisely machined bearing bores, flat mating surfaces, and accurately placed oil passages, so the case halves align exactly, hold the crankshaft true, and stay sealed through repeated heat cycles and constant vibration.\u003c\/p\u003e\n\u003ch3\u003eComprehensive Model Fitment (2015-Current)\u003c\/h3\u003e\n\u003cp\u003eThis genuine OEM part is engineered for a wide range of Yamaha side-by-side (SxS) and all-terrain vehicles (ATV) built from 2015 to the current model year. Please verify your series matches below:\u003c\/p\u003e\n\u003ch3\u003eUtility Task Vehicles (UTVs \/ Side-by-Sides)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-viking-parts\" target=\"_blank\" title=\"Direct Link to all Viking Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eViking Series\u003c\/a\u003e:\u003c\/strong\u003e Viking 700 EPS, Viking 700 Ranch Edition, Viking VI EPS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-wolverine-parts\" target=\"_blank\" title=\"Direct Link to all Wolverine Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eWolverine Series\u003c\/a\u003e:\u003c\/strong\u003e Wolverine R-Spec, Wolverine X2 850, Wolverine X4 850, Wolverine X2 1000, Wolverine RMAX2 1000 (Sport, XT-R, Limited), Wolverine RMAX4 1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-yxz-parts\" target=\"_blank\" title=\"Direct Link to all YXZ Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eYXZ Series\u003c\/a\u003e:\u003c\/strong\u003e YXZ1000R, YXZ1000R SS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAll-Terrain Vehicles (ATVs)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-yfz-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all YFZ Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eYFZ Series\u003c\/a\u003e: \u003c\/strong\u003eYFZ50\u003cstrong\u003e, \u003c\/strong\u003eYFZ450R, YFZ450R SE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-raptor-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Raptor Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eRaptor Series\u003c\/a\u003e:\u003c\/strong\u003e Raptor 90, Raptor 110, Raptor 700, Raptor 700R, Raptor 700R SE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-grizzly-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Grizzly Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eGrizzly Series\u003c\/a\u003e:\u003c\/strong\u003e Grizzly 90, Grizzly 110, Grizzly 700 EPS, Grizzly 700 SE, Grizzly 700 XT-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-kodiak-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Kodiak Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eKodiak Series\u003c\/a\u003e:\u003c\/strong\u003e Kodiak 450, Kodiak 450 EPS, Kodiak 700, Kodiak 700 EPS, Kodiak 700 SE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eIMPORTANT DISCLAIMER:\u003c\/strong\u003e Fitment can vary by production date and sub-model trim. Always verify your exact original equipment part number from your vehicle's schematic or consult a certified technician before finalizing your purchase to guarantee flawless compatibility.\u003c\/p\u003e\n\u003ch3\u003eOther Popular Parts \u0026amp; Secondary Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-engine-rebuild-kits-atv?product_type\/Crankshaft-Bearings\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Crankshaft Bearings sold at buywitchdoctors.com\" rel=\"noopener\"\u003eCrankshaft Bearings\u003c\/a\u003e:\u003c\/strong\u003e Crankshaft bearings support the crank as it spins and sit directly in the case bores. Replace them whenever the case is split, and inspect the bores for wear or spinning so the new bearings seat tightly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-engine-rebuild-kits-atv?product_type\/Crankshaft\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Crankshaft sold at buywitchdoctors.com\" rel=\"noopener\"\u003eCrankshafts\u003c\/a\u003e:\u003c\/strong\u003e The crankshaft turns the piston's up-and-down motion into rotation and rides in the crankcase on its bearings. If your crank shows play, roughness, or damage, replace it along with the case seals and bearings so the bottom end is fully refreshed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-engine-gaskets-seals-atv\/?Shop-By\/Aftermarket\/product_type\/Crank-Bearing-Seal-Kit\" target=\"_blank\" title=\"Direct Link to All Aftermarket Crank Bearing\/Seal Kit Sold At Buywitchdoctors.com\" rel=\"noopener\"\u003eCrank Bearing\/Seal Kits\u003c\/a\u003e:\u003c\/strong\u003e Crank bearing and seal kits bundle the bearings and seals needed to refresh where the crank exits the case. Using a kit while the case is open helps keep oil in and contaminants out of your rebuild.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-engine-rebuild-kits-atv?Ride-Type\/Offroad\/Shop-By\/Aftermarket\/product_type\/Stroker-Crankshaft\" target=\"_blank\" title=\"Direct Link to All Aftermarket Stroker Crankshafts Sold At Buywitchdoctors.com\" rel=\"noopener\"\u003eStroker Crankshafts\u003c\/a\u003e:\u003c\/strong\u003e Stroker crankshafts increase displacement for more power and torque in a performance build. If you go this route, confirm that the case, clearances, and related parts are compatible and follow your Yamaha service manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-engine-rebuild-kits-atv?product_type\/Crankcase-Components\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Crankcase \u0026amp; Components sold at buywitchdoctors.com\" rel=\"noopener\"\u003eCrankcase \u0026amp; Components\u003c\/a\u003e:\u003c\/strong\u003e Case halves, covers, dowels, and related hardware complete the housing around the crank. Inspect mating surfaces and bolt holes for damage whenever the engine is apart so the case seals flat and stays aligned.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQs)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know when my Yamaha crankcase or related parts need to be replaced, and how do I confirm the right ones for my machine?\u003c\/strong\u003e\u003cbr\u003eA: Look for cracks or holes in the case, oil seeping along the seam or around covers, damaged or spun bearing bores, stripped bolt holes, metal particles in the oil, milky oil from water contamination, and unusual knocking or vibration from the bottom end. Before replacing parts, clean the engine and trace the leak, and inspect the breather and gaskets, since a clogged breather or bad seal can cause similar symptoms. Because crankcase parts vary by model, model year, and engine, confirm the correct parts and the proper inspection and assembly procedure using your Yamaha service manual or factory schematic, or contact us with your model and VIN and we will help you match them.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do mud, water, sand, and heat affect the crankcase and parts on the trail?\u003c\/strong\u003e\u003cbr\u003eA: Deep water and mud can push moisture past breathers and seals and into the oil, while sand and grit speed up wear if they get past the intake. Rocks can crack or dent an exposed case, and long, hot rides stress seals and gaskets over time. After a wet, muddy, or sandy ride, rinse the engine gently, check for oil seepage or milky oil, and make sure the breather lines are clear and secure. Follow your Yamaha service manual for correct installation, sealing, and service guidance.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-top: auto; margin-bottom: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP: \u003c\/span\u003e\u003c\/b\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/yamaha-oem-vs-aftermarket-parts-comparison\" title=\"Direct link to Buywitchdoctors.com blog about Yamaha OEM vs. Aftermarket Parts: Are Factory Components Best for Your Trail Riding?\" rel=\"noopener\" target=\"_blank\"\u003e\u003cb\u003e\u003cspan\u003e\u003cspan style=\"color: blue;\"\u003eLearn More about Yamaha OEM vs. Aftermarket Parts\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-top: auto; margin-bottom: auto; line-height: normal;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; color: #ff2a00;\"\u003ePRO TIP:\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e \u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/utv-atv-crankshaft-bearings-symptoms-fix\" rel=\"noopener\" title=\"Direct link to Buywitchdoctors.com blog about How to Tell If Your UTV or ATV Crankshaft Bearings Are Failing\" target=\"_blank\"\u003e\u003cb\u003e\u003cspan style=\"color: blue;\"\u003eHow to Tell If Your UTV or ATV Crankshaft Bearings Are Failing?\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb style=\"mso-bidi-font-weight: normal;\"\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; color: red;\"\u003ePRO TIP: \u003c\/span\u003e\u003c\/b\u003e\u003cb style=\"mso-bidi-font-weight: normal;\"\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/atv-utv-engine-crankcase-buyers-guide-rebuild-tips\" rel=\"noopener\" title=\"Direct link to Buywitchdoctors.com blog about ATV\/UTV Engine Crankcase Buyer’s Guide: Structural Integrity Over Cutting Corners\" target=\"_blank\"\u003e\u003cspan style=\"color: blue;\"\u003eATV\/UTV Engine Crankcase Buyer’s Guide: Structural Integrity Over Cutting Corners\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; color: #ff2a00;\"\u003ePRO TIP:\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e \u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/failing-balance-shaft-symptoms-fixes-on-your-atv-or-utv\" rel=\"noopener\" title=\"Direct link to Buywitchdoctors.com blog about Failing Balance Shaft Symptoms \u0026amp; Fixes on Your ATV or UTV\" target=\"_blank\"\u003e\u003cspan style=\"color: blue;\"\u003eFailing Balance Shaft Symptoms \u0026amp; Fixes on Your ATV or UTV\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cstrong\u003eUpgrade Your Ride's Engine Bottom End Performance Today\u003c\/strong\u003e\u003cbr\u003eFactory-fit crankcase parts keep your engine's rotating assembly aligned, sealed, and running strong on every ride. Complete your bottom-end rebuild with matching crankshaft bearings, crankshafts, crank bearing\/seal kits, stroker crankshafts, and crankcase \u0026amp; components so your whole engine stays sealed, balanced, and trail-ready. Order your genuine Yamaha replacement components today from \u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/find-all-yamaha-off-road-utv-atv-parts?Shop-By\/OEM\" title=\"Direct Link to the Collection of All Yamaha OEM ATV \u0026amp; UTV Parts \u0026amp; Accessories Available at BuyWitchdoctors.com.\" rel=\"noopener\" target=\"_blank\"\u003ebuywitchdoctors.com\u003c\/a\u003e and experience top-tier off-road performance!\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003eAre You Looking to Find Great Places \u0026amp; Adventurous Trails to Ride Your UTV, Side by Side or ATV? Check out these highly recommended places:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/northernoutdoors.com\" title=\"Direct Link to Northern Outdoors ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eNorthern Outdoors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.blm.gov\/visit\/imperial-sand-dunes\" title=\"Direct Link to Imperial Sand Dunes ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eImperial Sand Dunes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/blm.gov\/visit\/johnson-valley-ohv-area\" title=\"Direct Link to Johnson Valley ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eJohnson Valley OHV Area\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/mycountyparks.com\" title=\"Direct Link to Gypsum City ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eGypsum City OHV Park\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leatherwoodoffroad.com\" title=\"Direct Link to Leatherwood ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eLeatherwood Off-Road Park\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Off Road Express","offers":[{"title":"Default Title","offer_id":41654485516350,"sku":"3B4-15411-01-00","price":266.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/2502\/5349\/files\/Yamaha_OEM-Part-Number_3B4-15411-01-00_19df4ea3-0818-48a4-beab-d022c228f8f8.png?v=1772561169","url":"https:\/\/buywitchdoctors.com\/products\/crankcase-cover-by-yamaha-3b4-15411-01-00","provider":"Witchdoctors","version":"1.0","type":"link"}