{"product_id":"hayden-automotive-idler-belt-tensioner-pulley-for-1-belt-3-00-od-0-69-id-oe-fit","title":"Hayden Automotive idler \u0026 belt-tensioner pulley for 1\" belt — 3.00\" OD, 0.69\" ID, OE-fit","description":"\u003cp\u003e\u003cstrong\u003eHayden Automotive 5979 is a replacement idler and belt-tensioner pulley sized for 1\" belts with a 3.00\" outside diameter and a 0.69\" inner diameter.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis pulley is built to route and maintain tension on accessory drive belts used with air conditioning compressors, alternators, power steering pumps and water pumps. Manufactured to meet or exceed original equipment specifications, it’s intended as a direct-fit aftermarket component for vehicles that require a 1\" back idler pulley. The part comes packaged compactly, weighs about 0.249 kilograms and is produced in China.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this pulley keep my accessory belt running smoothly?\u003c\/h3\u003e\n\u003cp\u003eThe Hayden 5979 guides the belt around drive accessories and keeps appropriate tension so the belt tracks correctly without slipping. Proper belt routing reduces noise and wear while supporting stable operation of related systems like charging and steering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 1\" width accessory belts used as back idlers\u003c\/li\u003e\n  \u003cli\u003e3.00\" outside diameter for correct belt contact surface\u003c\/li\u003e\n  \u003cli\u003e0.69\" inner diameter to match common mounting shafts\u003c\/li\u003e\n  \u003cli\u003eEngineered to meet OE fit and tolerance standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical specs and package details?\u003c\/h3\u003e\n\u003cp\u003eThe pulley’s measured dimensions ensure compatibility where a 3\" OD and 0.69\" ID are specified. The unit ships in small retail packaging and is lightweight for easy handling and installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePulley outside diameter: 3.00 inches (approximately)\u003c\/li\u003e\n  \u003cli\u003eInner bore diameter: 0.69 inches\u003c\/li\u003e\n  \u003cli\u003eDesigned for 1\" accessory belts (back idler application)\u003c\/li\u003e\n  \u003cli\u003ePackage dimensions: 10.414 x 3.302 x 10.16 cm; package weight: 0.249 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know this is the right replacement for my vehicle?\u003c\/h3\u003e\n\u003cp\u003eSelect this part when your vehicle's service manual or the failed pulley lists a back idler with a 1\" belt fitment and the 3.00\" OD \/ 0.69\" ID bore specification. Cross-reference part numbers and physical measurements before replacing the original component.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare OD and ID measurements to the removed pulley\u003c\/li\u003e\n  \u003cli\u003eVerify it’s listed for accessory drive routing (idler\/tensioner role)\u003c\/li\u003e\n  \u003cli\u003eConfirm belt width compatibility: 1\" belt required\u003c\/li\u003e\n  \u003cli\u003eUse as a direct-fit aftermarket replacement where OE-equivalent is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat benefits can I expect after installing the Hayden 5979 pulley?\u003c\/h3\u003e\n\u003cp\u003eInstalling a correctly sized idler pulley restores proper belt alignment and tension, which helps reduce belt squeal and uneven wear. While outcomes depend on the whole belt system condition, the replacement part is designed for long life and straightforward swapping during routine maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps prevent belt slips that cause noise\u003c\/li\u003e\n  \u003cli\u003ePromotes even belt wear and quieter operation\u003c\/li\u003e\n  \u003cli\u003eSimple replacement—fits common mounting shafts\u003c\/li\u003e\n  \u003cli\u003eMeets or exceeds OE manufacturing standards for fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: The Hayden Automotive 5979 pulley is intended for vehicle owners, mechanics and maintenance shops seeking a dependable aftermarket idler\/tensioner pulley for systems using a 1\" accessory belt. It’s a suitable choice when measurements match the 3.00\" OD and 0.69\" ID specifications and when an OE-grade replacement is required for air conditioning compressors, alternators, power steering pumps or water pumps.\u003c\/p\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: Is the Hayden 5979 compatible with a 1\" accessory belt?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Hayden 5979 is designed for 1\" width belts used as a back idler, with a 3.00\" OD and 0.69\" bore.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this pulley myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, if you have basic hand tools and mechanical experience. Always match measurements and follow vehicle-specific service instructions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hayden Automotive","offers":[{"title":"Default Title","offer_id":48084368949406,"sku":"B000C3BBL2","price":29.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/hayden-5979-front-view.jpg?v=1785851950","url":"https:\/\/northtrailauto.ca\/products\/hayden-automotive-idler-belt-tensioner-pulley-for-1-belt-3-00-od-0-69-id-oe-fit","provider":"North Trail Auto","version":"1.0","type":"link"}