{"product_id":"goodyear-serpentine-belt-5-rib-40-5-5pk1029-epdm-rubber-polyester-cord-for-gm","title":"Goodyear Serpentine Belt 5-Rib 40.5\" (5PK1029) — EPDM Rubber, Polyester Cord for GM","description":"\u003cp\u003e\u003cstrong\u003eThe Goodyear Belts 1050405 is a 5-rib serpentine belt (40.5\" \/ 1029 mm, part 5PK1029) engineered to restore reliable accessory drive performance with EPDM rubber and a balanced-twist polyester cord.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen a stretched, glazed, or cracked serpentine belt starts to slip, replace it with a belt built to meet or exceed original equipment specifications. The Goodyear 1050405 multi V-belt combines modern EPDM compound resistance with a reinforced polyester cord to deliver quiet operation, extended wear life, and consistent power transfer for compatible GM vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this belt improve my vehicle's accessory drive performance?\u003c\/h3\u003e\n\u003cp\u003eThe 1050405 maintains proper tension and grip across pulleys, reducing slippage and accessory noise. Its EPDM compound resists heat and ozone, while the balanced-twist polyester cord preserves tensile strength so the belt retains its shape under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e5-rib profile for stable contact on multiple pulleys\u003c\/li\u003e\n  \u003cli\u003eEPDM rubber resists heat, ozone, and abrasion\u003c\/li\u003e\n  \u003cli\u003eBalanced-twist polyester cord improves longevity and tension retention\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet or exceed OE fit and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and part numbers are compatible with this belt?\u003c\/h3\u003e\n\u003cp\u003eThe 1050405 fits a range of GM models across Buick and Chevrolet model years listed by manufacturers. It’s identified as 5PK1029 in some catalogs, so cross-reference that alternate part number for compatibility when shopping.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Buick: LaCrosse (2011), Regal (2012, 2015–2017), Verano (2012–2017, 2013–2016)\u003c\/li\u003e\n  \u003cli\u003eFits Chevrolet: Captiva Sport (2008–2010), Classic (2004–2005), Cobalt (2007–2010), and various Chevrolet models 2010–2017\u003c\/li\u003e\n  \u003cli\u003eAlternate part number: 5PK1029\u003c\/li\u003e\n  \u003cli\u003eLength specification: 40.5 inches (1029 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and design features extend the belt's service life?\u003c\/h3\u003e\n\u003cp\u003eEPDM rubber provides superior resistance to environmental degradation compared with older rubber compounds, meaning fewer cracks and less hardening. The balanced-twist polyester cord runs down the center of the belt to carry load and minimize elongation, keeping accessory alignment and performance stable over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEPDM compound reduces abrasion and ozone cracking\u003c\/li\u003e\n  \u003cli\u003ePolyester cord offers high tensile strength and low stretch\u003c\/li\u003e\n  \u003cli\u003eMulti V-rib geometry spreads contact pressure evenly\u003c\/li\u003e\n  \u003cli\u003eManufactured to OE tolerances for consistent pulley fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain this serpentine belt for best results?\u003c\/h3\u003e\n\u003cp\u003eInstall using a proper belt routing and tensioning procedure; if your vehicle uses an automatic tensioner, verify the tensioner condition and replace if worn. Regularly inspect the belt for glazing, cracks, or uneven wear and confirm pulley alignment to avoid premature failure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow vehicle routing diagram and torque specs\u003c\/li\u003e\n  \u003cli\u003eCheck and, if needed, replace the tensioner and idler pulleys\u003c\/li\u003e\n  \u003cli\u003eInspect belt edges and ribs every oil change interval\u003c\/li\u003e\n  \u003cli\u003eReplace belt at first signs of cracking, fraying, or glazing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Goodyear 1050405 (5PK1029) is aimed at DIY mechanics, professional technicians, and vehicle owners who drive compatible Buick and Chevrolet models and need a durable, OE-grade serpentine belt replacement. It’s ideal when you want a direct-fit belt with modern EPDM durability and reinforced cord construction to maintain quiet, reliable accessory drive operation.\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 Goodyear 1050405 the same as 5PK1029?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Goodyear 1050405 is listed as alternate part number 5PK1029 and measures 40.5 inches (1029 mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What materials make this belt durable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Its EPDM rubber resists heat and ozone while a balanced-twist polyester cord provides tensile strength and low stretch.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Goodyear","offers":[{"title":"Default Title","offer_id":48084567785630,"sku":"B08SP9FQPR","price":30.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/goodyear-belt-front-packaging_290d588c-a200-4dec-857a-c26b383274a8.jpg?v=1785859838","url":"https:\/\/northtrailauto.ca\/products\/goodyear-serpentine-belt-5-rib-40-5-5pk1029-epdm-rubber-polyester-cord-for-gm","provider":"North Trail Auto","version":"1.0","type":"link"}