{"product_id":"loosoo-a-c-serpentine-drive-belt-tensioner-kit-for-gm-trucks-suvs-90k-38159-ack040378hd-oem-fit-noise-reduction","title":"loosoo A\/C Serpentine Drive Belt Tensioner Kit for GM Trucks \u0026 SUVs — 90K-38159\/ACK040378HD, OEM Fit \u0026 Noise Reduction","description":"\u003cp\u003e\u003cstrong\u003eThe loosoo A\/C serpentine drive belt tensioner kit is a direct-fit replacement tensioner assembly designed to restore proper belt tension and reduce noise on compatible GM trucks and SUVs from 1999–2008.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit replaces worn or failing A\/C drive belt tensioners on a range of Cadillac and General Motors models, providing an OEM-level fit and a quieter accessory drive. Engineered to meet factory fitment dimensions and supplied with the core components installers expect, the loosoo tensioner kit (90K-38159 \/ ACK040378HD \/ 19311139) is intended for owners who need a reliable, straightforward repair without sourcing multiple aftermarket parts separately.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this tensioner kit fit?\u003c\/h3\u003e\n\u003cp\u003eThe loosoo kit covers many full-size GM trucks and SUVs across model years roughly spanning 1999–2008. Always check your vehicle’s year, make, model and engine configuration against the provided part numbers before ordering to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon compatible models: Cadillac Escalade (2002–2008), Chevrolet Avalanche (2002–2008), Express (2003–2008)\u003c\/li\u003e\n  \u003cli\u003eAlso fits: Silverado, Suburban, Tahoe, Sierra, Yukon, H2 and Savana in listed years\u003c\/li\u003e\n  \u003cli\u003eReplacement references: 90K-38159, ACK040378HD, 19311139\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this kit improve belt performance and noise?\u003c\/h3\u003e\n\u003cp\u003eWorn tensioners allow the serpentine belt to slip or misalign, which causes squeal, chatter or inconsistent accessory operation. Replacing the tensioner restores correct belt pre-load and pulley alignment, improving accessory drive stability and reducing audible belt noise.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores correct belt tension for steady A\/C and accessory operation\u003c\/li\u003e\n  \u003cli\u003eReduces belt slip and high-pitched squealing during start-up\u003c\/li\u003e\n  \u003cli\u003ePrecision mating surfaces help keep the belt tracking properly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and what tools are needed for installation?\u003c\/h3\u003e\n\u003cp\u003eThe kit supplies the tensioner assembly and related hardware so you won’t need to source additional components for a standard replacement. Typical installation is straightforward for someone with basic hand tools and a moderate DIY skill level.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKit includes the replacement tensioner assembly and mounting hardware\u003c\/li\u003e\n  \u003cli\u003eCommon tools: 5mm socket and 15mm end wrench (and a torque wrench for final tightening)\u003c\/li\u003e\n  \u003cli\u003eEstimated install time: about 1 hour for an experienced DIYer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part match OEM quality and longevity?\u003c\/h3\u003e\n\u003cp\u003eThe loosoo tensioner is built to meet OEM fit and form standards for the referenced part numbers, aiming to provide a durable replacement that performs like the factory unit. Proper installation and routine belt inspection will help ensure long service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured to OEM fitment dimensions for correct alignment\u003c\/li\u003e\n  \u003cli\u003eDesigned to reduce noise and maintain accessory drive performance\u003c\/li\u003e\n  \u003cli\u003eRecommended to inspect belt condition and routing during replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This tensioner kit is suited to owners and technicians working on late‑1990s through 2008 GM full‑size trucks and SUVs who need a reliable, drop‑in replacement for a failing A\/C serpentine drive belt tensioner. It’s ideal for DIY mechanics looking to eliminate belt noise and restore accessory operation, as well as professional shops seeking a cost-effective, OEM‑compatible part for routine repairs. Before purchase, verify your vehicle’s part number and year to confirm fitment.\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: How long does installation take?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typical installation takes about one hour for someone with basic tools and experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit match OEM part numbers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it replaces part numbers 90K-38159, ACK040378HD, and 19311139 for listed models.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"loosoo","offers":[{"title":"Default Title","offer_id":48084448510110,"sku":"B0BZNKCCNT","price":31.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/loosoo-front-packaging-tensioner-kit.jpg?v=1785855693","url":"https:\/\/northtrailauto.ca\/products\/loosoo-a-c-serpentine-drive-belt-tensioner-kit-for-gm-trucks-suvs-90k-38159-ack040378hd-oem-fit-noise-reduction","provider":"North Trail Auto","version":"1.0","type":"link"}