{"product_id":"performance-drive-belt-tensioner-kit-for-chevrolet-silverado-1500-1999-2002-4-8l-5-3l","title":"Performance Drive Belt Tensioner Kit for Chevrolet Silverado 1500 (1999-2002) 4.8L 5.3L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Drive Belt Tensioner and Pulley Kit for 1999-2002 Chevrolet Silverado 1500 (GMT800)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Drive Belt Tensioner Kit replaces worn drive components on the 1999-2002 Chevrolet Silverado 1500 to restore proper serpentine belt tension, eliminate belt slippage, and maintain consistent charging output under high accessory loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Silverado 1500 Accessory Drive Weakness\u003c\/h3\u003e\n\u003cp\u003eOn high-mileage \u003cstrong\u003eGMT800\u003c\/strong\u003e trucks, factory accessory drive assemblies degrade significantly under sustained thermal cycling. The stock spring-loaded tensioner suffers from internal spring fatigue and damping loss, allowing belt slap and harmonic oscillation across the front accessory drive. Compounded by dry-running idler bearings and glazed factory belts, this mechanical wear causes alternator slippage—especially on trucks equipped with high-draw 130-amp alternators—leading to voltage drops, power steering groan, and catastrophic belt shedding during peak engine load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-fit drive kit replaces failure-prone original components with heavy-duty mechanical elements engineered for long-term tension stability. Featuring a reinforced internal torsional spring mechanism, the replacement tensioner dampens drive harmonics and maintains continuous dynamic pressure against thermal expansion. Paired with a premium sealed-bearing idler pulley and an advanced \u003cstrong\u003e6PK2360\u003c\/strong\u003e high-tensile EPDM serpentine belt, this assembly resists edge wear, rib cracking, and heat-induced elongation under heavy towing conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Serpentine Belt (Part # 6PK2360)\u003c\/li\u003e\n  \u003cli\u003e1 Idler Pulley (Part # 38001)\u003c\/li\u003e\n  \u003cli\u003e1 Tensioner Assembly (Part # 38158)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100% style=\" border-collapse: collapse border: solid font-size: min-width:\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e1999-2002 Chevrolet Silverado 1500\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e4.8L LR4 \/ 5.3L LM7 Vortec V8 \/ GMT800\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e255-285 hp \/ 285-325 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e6PK2360, 38001, 38158\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1999-2002 Chevrolet Silverado 1500 4.8L V8 (130 Amp Alternator Option)\u003c\/li\u003e\n  \u003cli\u003e1999-2002 Chevrolet Silverado 1500 5.3L V8 (130 Amp Alternator Option)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the GMT800 Silverado 1500?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1999-2002 Chevrolet Silverado 1500 equipped with the \u003cstrong\u003eLR4\u003c\/strong\u003e or \u003cstrong\u003eLM7\u003c\/strong\u003e Vortec V8 engines with the 130-amp alternator package; models with 105-amp alternators require a different belt length.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need special tools to relieve tension during installation?\u003c\/h4\u003e\n\u003cp\u003eA standard 3\/8-inch drive breaker bar or tensioner tool is required to clock the tensioner arm and slip the serpentine belt into alignment.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Silverado Truck Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt to handle rigorous towing and severe hauling duty, your Vortec-powered Silverado demands heavy-duty accessory tensioning to ensure full electrical charging and consistent cooling performance in any operational environment.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67545454936312,"sku":"DS-EORAUHQ8M","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-drive-belt-tensioner-kit-for-chevrolet-silverado-1500-1999-2002-4-8l-5-3l-1.jpg?v=1790724435","url":"https:\/\/performancechiptuning.com\/fr\/products\/performance-drive-belt-tensioner-kit-for-chevrolet-silverado-1500-1999-2002-4-8l-5-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}