{"product_id":"dorman-300-406-engine-harmonic-balancer-pulley","title":"Dorman 300-406 Engine Harmonic Balancer Pulley","description":"\u003ch2\u003eOverview of Dorman Engine Harmonic Balancer Pulley 300-406\u003c\/h2\u003e\u003cp\u003eThe Dorman 300-406 engine harmonic balancer pulley is designed for Toyota 4Runner, Pickup, and T100 models. This pulley helps maintain engine balance and reduces vibration, contributing to smoother engine operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 2.44 inches\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 6.1 inches\u003c\/li\u003e\n\u003cli\u003eSingle V-belt groove for belt compatibility\u003c\/li\u003e\n\u003cli\u003eFour mounting holes with 0.365 inch diameter each\u003c\/li\u003e\n\u003cli\u003eDepth of 0.89 inches for proper fitment\u003c\/li\u003e\n\u003cli\u003eRegular grade type construction\u003c\/li\u003e\n\u003cli\u003eMounting hardware and center bolt not included\u003c\/li\u003e\n\u003cli\u003eNo keyway notch present\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 300-406 harmonic balancer pulley is engineered to meet the specifications required for Toyota 4Runner, Pickup, and T100 vehicles. With an inside diameter of 2.44 inches and an outside diameter of 6.1 inches, this pulley is designed to accommodate a single V-belt groove, ensuring proper belt alignment and tension. The pulley features four mounting holes, each with a diameter of 0.365 inches, allowing secure attachment to the engine block. Its 0.89-inch depth ensures compatibility with the engine’s harmonic balancer assembly. The regular grade type construction provides reliable performance under normal operating conditions. Note that mounting hardware and center bolt are not included, so these components must be sourced separately during installation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces engine vibration and harmonic imbalance\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged harmonic balancer pulleys\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear by maintaining proper pulley alignment\u003c\/li\u003e\n\u003cli\u003eHelps avoid engine accessory drive issues related to pulley failure\u003c\/li\u003e\n\u003cli\u003eRestores smooth engine operation in Toyota 4Runner, Pickup, and T100 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the pulley matches the engine harmonic balancer specifications for your Toyota model\u003c\/li\u003e\n\u003cli\u003eVerify the inside and outside diameters and mounting hole dimensions before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the pulley or mounting holes\u003c\/li\u003e\n\u003cli\u003eSince mounting hardware and center bolt are not included, prepare compatible fasteners prior to installation\u003c\/li\u003e\n\u003cli\u003eCheck belt condition and alignment after installation to ensure proper operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 300-406 harmonic balancer pulley undergoes quality inspections to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43610885456053,"sku":"BKKY-300-406","price":53.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_300406_Fro.jpg?v=1774983362","url":"https:\/\/www.partcatalog.com\/products\/dorman-300-406-engine-harmonic-balancer-pulley","provider":"PartCatalog","version":"1.0","type":"link"}