{"product_id":"reservoir-tank-by-kawasaki-43078-y005","title":"Reservoir Tank by Kawasaki","description":"\u003cdiv style=\"font-family: Arial; font-size: 12pt;\"\u003e\n\u003ch2\u003eKawasaki UTV\/ATV \u0026amp; Side by Side Cooling Tanks \u0026amp; Components - Available at buywitchdoctors.com\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications: Genuine OEM Kawasaki Reservoir Tank, Part # 43078-Y005.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep your machine running like new with a genuine Kawasaki Cooling Tanks \u0026amp; Components paired with premium maintenance parts from buywitchdoctors.com.\u003c\/p\u003e\n\u003cp\u003eWhen you are out tearing up the trails or working hard on the job site, your thermal management configuration demands absolute pressure containment and precise expansion volume tracking to perform at its peak. This factory-original overflow bottle assembly is designed specifically for your vehicle, ensuring a perfect airtight cap seal and precise volume management that aftermarket options simply cannot guarantee.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose a Genuine Kawasaki OEM Cooling Tanks \u0026amp; Components?\u003c\/h3\u003e\n\u003cp\u003eYour Kawasaki engine cooling loop is a highly integrated, pressurized environment. Off-brand universal recovery tanks or generic expansion bottles often use thinner composite plastics that turn brittle under extreme heat, split open along molded seams, or utilize poorly toleranced neck paths that leak fluid. By choosing an original equipment manufacturer (OEM) replacement tank or structural reservoir cap, you protect your investment, maintain your factory warranty, and ensure heavy-duty chemical resistance, high burst structural limits, and total fluid protection.\u003c\/p\u003e\n\u003ch3\u003ePremium Materials and Engine Protection\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Media:\u003c\/strong\u003e Advanced high-density polyethylene structures engineered to handle extreme thermal fluid spikes and withstand direct impacts from flying trail debris without cracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Fit Polyurethane Seals:\u003c\/strong\u003e Features factory-matched mounting dimensions and exact-thread cap neck pathways to prevent vacuum loss and fluid weeping under system pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Molded with high-visibility fill lines to allow immediate, effortless coolant fluid tracking during pre-ride maintenance safety inspections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Airflow Efficiency:\u003c\/strong\u003e Engineered precisely to align with your vehicle's factory brackets, fitting flush inside the engine bay without rubbing or vibrating against hot chassis surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComprehensive Model Fitment (2015-Current)\u003c\/h3\u003e\n\u003cp\u003eThis genuine OEM part is engineered for a wide range of Kawasaki 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\/kawasaki-mule-parts\" rel=\"noopener\" target=\"_blank\" title=\"Direct Link to all Kawasaki Mule Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\"\u003eMule Series\u003c\/a\u003e:\u003c\/strong\u003e SX, 4000, 4010, PRO-MX, PRO-FX, PRO FXT, PRO-DX, PRO DXT, PRO FXR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/kawasaki-teryx-parts\" rel=\"noopener\" target=\"_blank\" title=\"Direct Link to all Kawasaki Teryx \u0026amp; Teryx4 Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\"\u003eTeryx \u0026amp; Teryx4 Series\u003c\/a\u003e:\u003c\/strong\u003e KRX 1000, KRX4 1000, H2, Teryx5 H2\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/kawasaki-ridge-parts\" rel=\"noopener\" target=\"_blank\" title=\"Direct Link to all Kawasaki Ridge \u0026amp; Ridge XR Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\"\u003eRidge \u0026amp; Ridge XR Series\u003c\/a\u003e:\u003c\/strong\u003e\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\/kawasaki-kfx-parts\" rel=\"noopener\" target=\"_blank\" title=\"Direct Link to all Kawasaki KFX Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\"\u003eKFX Series\u003c\/a\u003e:\u003c\/strong\u003e 50, 90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/kawasaki-brute-force-oem-and-aftermarket-parts\" rel=\"noopener\" target=\"_blank\" title=\"Direct Link to all Kawasaki Brute Force Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\"\u003eBrute Force Series\u003c\/a\u003e:\u003c\/strong\u003e 300, 450, 750 4x4i\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠️ IMPORTANT DISCLAIMER: Always check your owner’s manual or the fitment tab on witchdoctors.com to make sure this part fits your specific year, make, and model before ordering.\u003c\/p\u003e\n\u003ch3\u003eOther Popular Parts and Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-cooling-systems?product_type\/Cooling-Fans-Components\/vendor\/Kawasaki\" rel=\"noopener\" target=\"_blank\" title=\"Direct Link to all Kawasaki OEM Coolant Fans \u0026amp; Components  sold at buywitchdoctors.com\"\u003eCoolant Fans \u0026amp; Components\u003c\/a\u003e:\u003c\/strong\u003e High-output waterproof electric fan shrouds, blades, and temperature relay switches built to force air through cores during slow trail crawling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-oil-atv?product_type\/Coolant\/Shop-By\/Aftermarket\" rel=\"noopener\" target=\"_blank\" title=\"Direct Link to All Aftermarket Coolant Sold At Buywitchdoctors.com\"\u003eCoolant\u003c\/a\u003e:\u003c\/strong\u003e High-performance pre-diluted engine coolant fluid chemically formulated to lubricate water pumps and prevent internal aluminum oxidation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-cooling-systems?product_type\/Radiator-Hose-Line\/vendor\/Kawasaki\" rel=\"noopener\" target=\"_blank\" title=\"Direct Link to all Kawasaki OEM Radiator Hose \/ Line sold at buywitchdoctors.com\"\u003eRadiator Hose \/ Line\u003c\/a\u003e:\u003c\/strong\u003e Heavy-duty molded EPDM rubber fluid transfer hoses reinforced with high-tensile inner fiber braid networks to manage high pressure lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-cooling-systems?product_type\/Radiators-Components\/vendor\/Kawasaki\" rel=\"noopener\" target=\"_blank\" title=\"Direct Link to all Kawasaki OEM Radiators \u0026amp; Components sold at buywitchdoctors.com\"\u003eRadiators \u0026amp; Components\u003c\/a\u003e:\u003c\/strong\u003e Premium factory replacement radiator cores, high-pressure caps, and heavy-duty mud guards engineered to maximize cooling block efficiencies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQs)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes a Kawasaki UTV\/ATV coolant expansion tank to boil over or bubble rapidly?\u003c\/strong\u003e\u003cbr\u003eExtreme bubbling inside your cooling tank typically means air pockets are expansion-cycling in the system, your radiator core is blocked with trail mud fin debris, or your radiator pressure cap spring has weakened. When a cap can no longer hold standard loop pressure, fluid escapes prematurely into the overflow reservoir, causing a boil over.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I clean or flush out my reservoir bottle if it looks dark or slimy inside?\u003c\/strong\u003e\u003cbr\u003eYes, absolutely. If you notice a milky brown color, a dark \"chocolate milk\" texture, or fine grit settling at the base of your cooling tank, it reveals internal system degradation or a contaminated mixture. Draining, flushing, and replacing the bottle along with fresh fluid prevents abrasive sludge from flowing back into your water pump assemblies.\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; color: black;\"\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/kawasaki-oem-vs-aftermarket-parts-comparison\" rel=\"noopener\" target=\"_blank\" title=\"Direct link to Buywitchdoctors.com blog about Kawasaki OEM vs. Aftermarket Parts: Are Factory Components Best for Your Teryx or Brute Force?\"\u003e\u003cspan style=\"color: blue;\"\u003eLearn More about Kawasaki OEM vs. Aftermarket Parts\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\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP:\u003c\/span\u003e \u003c\/b\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/upper-radiator-hose-hot-lower-hose-cold-utv-atv\" rel=\"noopener\" target=\"_blank\" title=\"Direct link to Buywitchdoctors.com blog about UTV\/ATV Cooling Issues Explained\"\u003e\u003cb\u003e\u003cspan style=\"color: blue;\"\u003eUTV\/ATV Cooling Issues Explained.\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP: \u003c\/span\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/why-utv-coolant-overflow-tank-bubbling-boiling-over\" rel=\"noopener\" target=\"_blank\" title=\"Direct link to Buywitchdoctors.com blog about Why Is My Coolant Tank Bubbling, Boiling Over, or Spitting Out Fluid?\"\u003eWhy Is My Coolant Tank Bubbling, Boiling Over, or Spitting Out Fluid?\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eUpgrade Your Ride's Protection Today\u003c\/h3\u003e\n\u003cp\u003eDon't let a brittle overflow bottle, cracked expansion cap, or leaking reservoir connection siphon away your coolant loop pressures and overheat your motor out on the trails. Keep your cooling infrastructure running strong with maximum factory durability on every single venture. \u003cstrong\u003eOrder your genuine Kawasaki UTV\/ATV OEM Cooling Tanks \u0026amp; Components today from Witchdoctors.com and enjoy fast shipping straight to your door!\u003c\/strong\u003e\u003c\/p\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:\/\/minesandmeadows.com\" rel=\"noopener\" target=\"_blank\"\u003eMines \u0026amp; Meadows\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/mountainridgeatvtrails.com\/\" rel=\"noopener\" target=\"_blank\"\u003eMountain Ridge ATV Park\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/buscobeach.com\" rel=\"noopener\" target=\"_blank\"\u003eBusco Beach ATV\/ UTV Park\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/indianmountainatvpark.com\" rel=\"noopener\" target=\"_blank\"\u003eIndian Mountain ATV\/UTV Park\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wildcatoffroadpark.com\" rel=\"noopener\" target=\"_blank\"\u003eWildcat Offroad Park\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Off Road Express Peach St","offers":[{"title":"Default Title","offer_id":43997728211006,"sku":"43078-Y005","price":29.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/2502\/5349\/files\/Kawasaki_OEM-Part-Number_43078-Y005_ee63e9a6-2037-4d42-96c5-a240079f910d.png?v=1789561916","url":"https:\/\/buywitchdoctors.com\/products\/reservoir-tank-by-kawasaki-43078-y005","provider":"Witchdoctors","version":"1.0","type":"link"}