{"product_id":"3976831-genuine-cummins-belt-tensioner","title":"3976831 - Genuine Cummins Belt Tensioner","description":"\u003cp\u003eGenuine Cummins 3976831 Belt Tensioner automatically maintains the correct tension on the engine accessory belt as engine speed, load, temperature, and normal belt wear change. Keeping the belt properly loaded helps the accessory drive run smoothly without excessive belt slip, flutter, or side-to-side movement.\u003c\/p\u003e\u003cp\u003eKey Functions\u003cbr\u003e - Automatically maintains working tension on the accessory belt.\u003cbr\u003e - Helps control belt vibration and movement as engine speed changes.\u003cbr\u003e - Keeps the belt properly seated and aligned across the accessory-drive pulleys.\u003c\/p\u003e\u003cp\u003eVerify fitment with us before ordering to ensure the correct part for your application.\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":48379746156765,"sku":"WP20408","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7808\/6621\/files\/wp20408-1.png?v=1789600440","url":"https:\/\/wisentpartscenter.com\/products\/3976831-genuine-cummins-belt-tensioner","provider":"Wisent Parts Center","version":"1.0","type":"link"}