{"product_id":"goodyear-serpentine-belt-4-rib-37-8-1040378-exact-fit-high-tensile-heat-resistant","title":"Goodyear Serpentine Belt 4-Rib 37.8\" (1040378) — Exact-Fit, High-Tensile Heat-Resistant","description":"\u003cp\u003e\u003cstrong\u003eGoodyear 1040378 is a 4-rib serpentine replacement belt 37.8 inches (960 mm) long designed to restore quiet, reliable accessory-drive performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement belt is engineered by Goodyear Belts to meet or exceed original equipment specifications for modern engines and heavy-duty machines. Built with heat- and abrasion-resistant materials and high-tensile reinforcement, the 1040378 (alternate part 4pk0960) is intended as an exact-fit option when the original serpentine belt shows signs of wear, glazing, cracking, or loss of tension.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this belt improve my vehicle's accessory drive?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn belt with the Goodyear 1040378 restores the correct rib profile and tension needed to drive alternators, power steering pumps, air-conditioning compressors and water pumps smoothly. That helps reduce belt slip, noise, and premature wear on pulleys and accessories.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConsistent rib profile for secure contact with pulley grooves\u003c\/li\u003e\n  \u003cli\u003eHigh-tensile cords to resist stretching under load\u003c\/li\u003e\n  \u003cli\u003eHeat- and abrasion-resistant compound for longer service life\u003c\/li\u003e\n  \u003cli\u003eExact length (37.8\" \/ 960 mm) to match original routing and tension\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this belt fit my vehicle and how do I confirm compatibility?\u003c\/h3\u003e\n\u003cp\u003eGoodyear designs each belt to fit specific makes and models; the 1040378 corresponds to applications needing a 4-rib, 37.8-inch serpentine belt. Always verify fitment using your vehicle’s OEM part reference, the seller’s fitment guide, or the alternate part number 4pk0960.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck your owner’s manual or current belt part number\u003c\/li\u003e\n  \u003cli\u003eCross-reference 1040378 with OEM listings or fitment tools\u003c\/li\u003e\n  \u003cli\u003eMeasure your old belt length (inside circumference) if uncertain\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat construction features extend belt life?\u003c\/h3\u003e\n\u003cp\u003eThe Goodyear 1040378 uses reinforced tensile cords and a specially formulated rubber compound to resist heat, oil, and abrasion common in engine bays. These design choices reduce stretching and cracking, maintaining quieter operation and predictable service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReinforced high-tensile cords to limit elongation\u003c\/li\u003e\n  \u003cli\u003eDurable rubber compound for heat and abrasion resistance\u003c\/li\u003e\n  \u003cli\u003ePrecision molded ribs for even load distribution across pulleys\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install or check the condition of a serpentine belt?\u003c\/h3\u003e\n\u003cp\u003eInstallation typically requires releasing tension via the belt tensioner, following the belt routing diagram, and confirming correct seating in each pulley groove. Inspect for cracks, fraying, glazing, or chunking; if any appear, replacement is advisable to avoid roadside failures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse a wrench on the tensioner to remove and fit the belt\u003c\/li\u003e\n  \u003cli\u003eFollow the vehicle-specific routing diagram to avoid misalignment\u003c\/li\u003e\n  \u003cli\u003eInspect pulleys and tensioner for wear before installing a new belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Goodyear 1040378 serpentine belt is for DIY owners, professional mechanics, and fleet maintenance teams seeking a durable, OE-quality 4-rib replacement at 37.8 inches (960 mm). It suits anyone restoring proper accessory drive operation on compatible engines where exact-fit, low-noise, and long-lasting performance are priorities. Always confirm vehicle compatibility before purchase and replace worn tensioners or pulleys as needed to maximize belt life.\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: What size is the Goodyear 1040378 belt?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It is a 4-rib serpentine belt with a length of 37.8 inches (960 mm), also referenced as part 4pk0960.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I replace the belt myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, with basic tools and a tensioner tool you can replace it; follow the vehicle routing diagram and inspect pulleys and the tensioner.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Goodyear","offers":[{"title":"Default Title","offer_id":67591399669945,"sku":"B08SPSZMBT","price":63.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/goodyear-serpentine-belt-front.jpg?v=1790549583","url":"https:\/\/redleafauto.ca\/products\/goodyear-serpentine-belt-4-rib-37-8-1040378-exact-fit-high-tensile-heat-resistant","provider":"Redleaf Auto","version":"1.0","type":"link"}