{"product_id":"gates-k040745hd-serpentine-belt","title":"Gates K040745HD Serpentine Belt - Air Compressor","description":"\u003ch2\u003eHeavy-Duty Micro-V Belt for Fleet Applications\u003c\/h2\u003e\u003cp\u003eThe Gates FleetRunner Heavy Duty Micro-V Belt is built for accessory drive systems that need stable performance under demanding service. This K040745HD serpentine belt uses EPDM construction, a polyester cord, and a 4-rib design to support durability, flexibility, and consistent operation on heavy-duty drives.\u003c\/p\u003e\u003cp\u003eCompatible With 1987-1989 Chevrolet and GMC C\/K, G, and G-Series trucks and vans in listed non-A\/C configurations, this belt is a direct-fit option for specific fleet and work vehicle applications. The Gates K040745HD is also cross-referenced to Dayco 5040745 for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFleetRunner Heavy Duty Micro-V Belt from Gates\u003c\/li\u003e\n\u003cli\u003ePart number: K040745HD\u003c\/li\u003e\n\u003cli\u003eEPDM belt material for improved wear resistance and long service life\u003c\/li\u003e\n\u003cli\u003ePolyester cord construction for strength and stability\u003c\/li\u003e\n\u003cli\u003e4-rib automotive V-ribbed belt design\u003c\/li\u003e\n\u003cli\u003eOE Improved rating for updated replacement performance\u003c\/li\u003e\n\u003cli\u003eEffective length: 74.52 in. \/ 1893 mm\u003c\/li\u003e\n\u003cli\u003eOutside circumference: 75.087 in. \/ 1907 mm\u003c\/li\u003e\n\u003cli\u003eTop width: 0.56 in. \/ 14 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Line Details\u003c\/h2\u003e\u003cp\u003eGates FleetRunner Heavy Duty Micro-V belts are engineered for commercial and fleet service where accessory drive reliability matters. The EPDM construction and distinct green overcord are used to improve flexibility, stability, and belt life in heavy-duty operating conditions.\u003c\/p\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe K040745HD is a heavy-duty serpentine belt for accessory drive systems that require a K-section, 4-rib Micro-V profile. It is sized for applications calling for 74.52 inches of effective length and 75.087 inches of outside circumference, making it a precise replacement for listed Chevrolet and GMC trucks and vans from 1987 through 1989. If you are servicing a Chevrolet C1500, C2500, or G10, or a GMC C1500, G1500, or K-series truck in the specified configuration, this belt matches the documented fitment.\u003c\/p\u003e\u003cp\u003eThis part cross-references Dayco 5040745 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat This Belt Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSquealing or slipping accessory drive belts\u003c\/li\u003e\n\u003cli\u003eCracking, glazing, or visible belt wear\u003c\/li\u003e\n\u003cli\u003eLoss of stable drive to belt-driven accessories\u003c\/li\u003e\n\u003cli\u003eService downtime caused by worn fleet belts\u003c\/li\u003e\n\u003cli\u003eFitment issues when replacing an OE-style K-section belt\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify the vehicle year, make, model, and engine\/accessory configuration before ordering.\u003c\/li\u003e\n\u003cli\u003eConfirm the belt path and tensioner condition before installation.\u003c\/li\u003e\n\u003cli\u003eInspect pulleys for wear, misalignment, or contamination that can shorten belt life.\u003c\/li\u003e\n\u003cli\u003eUse the listed effective length and rib count to match the original application.\u003c\/li\u003e\n\u003cli\u003eFor listed fitments, this belt applies to non-air-conditioning configurations noted in the vehicle data.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eGates FleetRunner belts are built with EPDM construction and a heavy-duty Micro-V design to support durability and consistent operation in fleet service. The OE Improved rating reflects a replacement part engineered to meet demanding accessory drive requirements.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45301699281077,"sku":"BBSC-K040745HD","price":45.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_K040745HD_Fro.jpg?v=1775145051","url":"https:\/\/www.partcatalog.com\/products\/gates-k040745hd-serpentine-belt","provider":"PartCatalog","version":"1.0","type":"link"}