{"product_id":"performance-drive-belt-tensioner-kit-for-gmc-sierra-3500-2001-2002-6-0l","title":"Performance Drive Belt Tensioner Kit for GMC Sierra 3500 (2001-2002) 6.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Accessory Drive Belt Tensioner Kit for 2001-2002 GMC Sierra 3500 (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 2001-2002 Sierra 3500 to maintain constant belt tension, eliminate slip, and ensure reliable accessory drive operation under heavy towing loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock GMC Sierra 3500 Accessory Drive Weakness\u003c\/h3\u003e\n\u003cp\u003eUnder continuous high-duty-cycle operation and engine bay heat soak, the factory mechanical tensioner on the \u003cstrong\u003eGMT800\u003c\/strong\u003e platform suffers from internal spring fatigue and hydraulic damping loss. On \u003cstrong\u003eVortec 6000 LQ4\u003c\/strong\u003e engines paired with the high-load 130-amp alternator, torsional crank vibration accelerates bearing galling in the stock idler pulley. This causes angular misalignment, rib glazing on the serpentine belt, audible belt chirping, and charging voltage fluctuations under heavy payload or towing demands.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive service kit restores dynamic drive geometry using a reinforced cast-aluminum tensioner housing paired with a heavy-duty internal torsional steel spring to counter severe harmonic vibration. The included idler pulley incorporates premium double-sealed ball bearings packed with synthetic high-temperature grease to resist thermal breakdown and contaminants. Completed by a precision-molded 6-rib EPDM serpentine belt engineered to resist thermal cracking and rib elongation, this direct-replacement assembly delivers OE-level fitment and reliable accessory engagement across the entire RPM range.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Serpentine Belt (Part # \u003cstrong\u003e6PK2360\u003c\/strong\u003e)\u003c\/li\u003e\n  \u003cli\u003e1 Idler Pulley (Part # \u003cstrong\u003e38001\u003c\/strong\u003e)\u003c\/li\u003e\n  \u003cli\u003e1 Tensioner Assembly (Part # \u003cstrong\u003e38158\u003c\/strong\u003e)\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: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\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;\"\u003e2001-2002 GMC Sierra 3500\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;\"\u003e\n\u003cstrong\u003eVortec 6000 LQ4\u003c\/strong\u003e \/ \u003cstrong\u003eGMT800\u003c\/strong\u003e\n\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;\"\u003e300 hp \/ 360 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\u003e2001 GMC Sierra 3500 6.0L V8 (130 Amp Alternator Option)\u003c\/li\u003e\n  \u003cli\u003e2002 GMC Sierra 3500 6.0L 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 Sierra 3500?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2001-2002 GMC Sierra 3500 equipped with the \u003cstrong\u003eVortec 6000 LQ4\u003c\/strong\u003e engine and the 130-amp alternator option. \u003cstrong\u003eThis kit does not fit 8.1L Big Block V8 or 6.6L Duramax Diesel configurations, nor does it fit 6.0L models equipped with 105-amp or 145-amp alternator packages.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eHow do I verify if my truck has the 130 Amp alternator?\u003c\/h4\u003e\n\u003cp\u003eCheck the Service Parts Identification (RPO) sticker in your glovebox for code KG8, which denotes the factory 130-amp charging option.\u003c\/p\u003e\n\n\u003ch3\u003eThe GMC Heavy-Duty Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt for commercial hauling and maximum payload applications, this drive kit ensures your Sierra maintains vital water pump, power steering, and high-output charging operation without failure under continuous towing stress.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67546988314872,"sku":"DS-E0SYLWYYH","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-gmc-sierra-3500-2001-2002-6-0l-1.jpg?v=1790739598","url":"https:\/\/performancechiptuning.com\/products\/performance-drive-belt-tensioner-kit-for-gmc-sierra-3500-2001-2002-6-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}