{"product_id":"acdelco-idler-pulley-for-freightliner-mt45-2020-2021-6-0l-v8-direct-fit-with-bolt-oe-equivalent-durability","title":"ACDelco idler pulley for Freightliner MT45 2020-2021 — 6.0L V8 direct-fit with bolt, OE-equivalent durability","description":"\u003cstrong\u003eACDelco Idler Pulley with Bolt (part 36299) is a direct-fit accessory drive idler designed for 2020–2021 Freightliner MT45 trucks with the 6.0L V8 engine.\u003c\/strong\u003e\n\n\u003cp\u003eThis ACDelco Gold (Professional) idler pulley replaces the original equipment part to restore correct belt routing and tension. Built to meet ACDelco's fit, form, and function standards and backed by General Motors, the pulley offers a cost-effective option for fleet maintenance and individual truck owners who need a reliable replacement part that matches OE specifications.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this idler pulley restore belt performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn pulley reduces belt slippage and uneven wear, helping accessories like the alternator and power steering work smoothly. The ACDelco Gold version uses materials and tolerances intended to align with OE parts so the belt tracks as designed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact fit for Freightliner MT45 (2020–2021) with 6.0L V8.\u003c\/li\u003e\n  \u003cli\u003eIncludes the mounting bolt for a straightforward swap.\u003c\/li\u003e\n  \u003cli\u003ePrecision bearing for consistent rotation and reduced noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part fit my vehicle and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThis idler pulley is specified for Freightliner MT45 models from 2020 and 2021 with the 6.0L V8 gasoline engine, providing a direct replacement for the OE component. Installation is typically a simple remove-and-replace job for anyone comfortable with basic accessory belt service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOEM-equivalent sizing for bolt hole alignment and pulley diameter.\u003c\/li\u003e\n  \u003cli\u003eSold with the required bolt to eliminate hardware mismatches.\u003c\/li\u003e\n  \u003cli\u003eNo special tools beyond common hand tools and belt tensioner access.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and quality standards does ACDelco Gold use?\u003c\/h3\u003e\n\u003cp\u003eACDelco Gold (Professional) parts are manufactured to meet quality, dimensional, and durability expectations similar to OE components. This pulley is engineered for consistent rotation and long service life under normal operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComponents produced to meet ACDelco Gold specifications.\u003c\/li\u003e\n  \u003cli\u003eDurable bearing construction to reduce premature failure.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant surfaces where applicable for extended service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I replace the idler pulley on my Freightliner MT45?\u003c\/h3\u003e\n\u003cp\u003eInspect the pulley during routine belt service or if you hear squealing, grinding, or notice belt misalignment. Early replacement prevents belt damage and accessory stress, avoiding more extensive repairs later.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace if pulley shows wobble, noise, or visible bearing wear.\u003c\/li\u003e\n  \u003cli\u003eChange during belt replacement for preventative maintenance.\u003c\/li\u003e\n  \u003cli\u003eUse ACDelco Gold for OE-compatible replacement standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This ACDelco idler pulley is aimed at Freightliner MT45 owners, fleet mechanics, and do-it-yourself technicians who require an OE-equivalent replacement for 2020–2021 models with the 6.0L V8. It’s appropriate for those seeking a dependable, backed-by-GM part that includes the mounting bolt, simplifies installation, and maintains manufacturer-intended belt routing and tension without the cost of dealer-only components.\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 this pulley a direct replacement for Freightliner MT45 2020–2021?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Part 36299 is specified to directly fit 2020–2021 Freightliner MT45 models with the 6.0L V8 engine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the purchase include the mounting bolt?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The idler pulley is sold complete with the required mounting bolt for straightforward installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":48082899435678,"sku":"B002E54VSG","price":63.64,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/acdelco-idler-pulley-front-with-bolt.jpg?v=1785818827","url":"https:\/\/northtrailauto.ca\/products\/acdelco-idler-pulley-for-freightliner-mt45-2020-2021-6-0l-v8-direct-fit-with-bolt-oe-equivalent-durability","provider":"North Trail Auto","version":"1.0","type":"link"}