{"product_id":"scitoo-180a-12v-alternator-for-toyota-highlander-2017-2022-sienna-2017-2020-oe-104211-0971","title":"SCITOO 180A 12V Alternator for Toyota Highlander 2017-2022 \u0026 Sienna 2017-2020 | OE 104211-0971","description":"\u003cdiv\u003e\n  \u003ch2\u003eOverview\u003c\/h2\u003e\n  \u003cp\u003eMeet the SCITOO high output alternator, crafted as a reliable replacement for Toyota’s 3.5L family. This unit is designed to fit the Highlander from 2017 to 2022 and the Sienna from 2017 to 2020, providing steady power when you need it most. With a 12V system and a robust 180A output, it speaks to modern driving demands while staying compact and lightweight for easier handling.\u003c\/p\u003e\n  \u003cp\u003eThe alternator features a clockwise rotation and an internal regulator, paired with an internal cooling fan. This combination helps keep temperatures in check during long drives, hot days, and varied electrical loads, all without adding unnecessary bulk to your engine bay.\u003c\/p\u003e\n  \u003ch3\u003eKey specifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eVoltage: 12V\u003c\/li\u003e\n    \u003cli\u003eAmperage: 180A\u003c\/li\u003e\n    \u003cli\u003eRotation: CW\u003c\/li\u003e\n    \u003cli\u003eRegulator: Internal\u003c\/li\u003e\n    \u003cli\u003eFan: Internal\u003c\/li\u003e\n    \u003cli\u003eGrooves: 6 Grooves with Clutch Pulley\u003c\/li\u003e\n    \u003cli\u003eCondition: New\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eWhat you gain\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePotentially steadier electrical performance for lights, infotainment, and accessories during daily driving\u003c\/li\u003e\n    \u003cli\u003eDirect OE replacement option with OE reference 104211-0971 for straightforward selection\u003c\/li\u003e\n    \u003cli\u003ePrecision CNC machined castings and bearings tested to OE-like standards for consistent operation\u003c\/li\u003e\n    \u003cli\u003eRelatively simple installation that fits common tools and routines\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eReal-world use and installation tips\u003c\/h3\u003e\n  \u003cp\u003eIn everyday use, you may notice smoother startup power and steadier voltage as loads shift between starts, HVAC, and lighting. The internal cooling helps manage heat during longer commutes or sunny days. When installing, follow a calm, methodical process to minimize rack wear and ensure snug mounting.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eDisconnect the battery negative terminal before starting\u003c\/li\u003e\n    \u003cli\u003eRelax the belt tension to the correct level to avoid power loss or bearing stress\u003c\/li\u003e\n    \u003cli\u003eTighten all screws securely after confirming proper alignment\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eWhy choose SCITOO\u003c\/h3\u003e\n  \u003cp\u003eSCITOO is a recognized source for high-output alternators that balance performance, durability, and affordability. Beyond providing a capable replacement, the brand offers technical support to help with installation questions and compatibility concerns.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which vehicles is this SCITOO alternator compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Toyota Highlander 3.5L (2017–2022) and Sienna 3.5L (2017–2020).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the key features of this alternator?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 12V, 180A output, CW rotation, internal regulator, internal fan, and a 6-groove clutch pulley.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SCITOO","offers":[{"title":"Default Title","offer_id":42395710226517,"sku":"B0DKTJR2TC","price":223.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/scitoo-alternator-highlander-sienna-compatibility.jpg?v=1775946415","url":"https:\/\/plentytorque.co.uk\/products\/scitoo-180a-12v-alternator-for-toyota-highlander-2017-2022-sienna-2017-2020-oe-104211-0971","provider":"PlentyTorque","version":"1.0","type":"link"}