{"product_id":"3691281-belt-tensioner","title":"3691281 Belt Tensioner","description":"\u003cp\u003eUpgrade engine performance with the 3691281 Belt Tensioner, designed for Cummins QSK45, QSK60, and QST30 engines. This reliable replacement matches OE specification 3638012, ensuring optimal belt tension and durability for heavy-duty operation.\u003c\/p\u003e\n\u003cdiv class=\"t\" title=\"Supersedes\"\u003eSupersedes:3638012\u003c\/div\u003e\t","brand":"Cummins","offers":[{"title":"Default Title","offer_id":55180029886743,"sku":"3691281","price":189.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1028\/1648\/1559\/files\/1184242543177498624.jpg?v=1790074297","url":"https:\/\/www.dieselthump.com\/products\/3691281-belt-tensioner","provider":"Diesel Thump","version":"1.0","type":"link"}