{"product_id":"performance-drive-belt-tensioner-kit-for-jeep-grand-cherokee-2011-2020-3-6l","title":"Performance Drive Belt Tensioner Kit for Jeep Grand Cherokee (2011-2020) 3.6L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Drive Belt Tensioner Kit for 2011-2020 Jeep Grand Cherokee (WK2)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Drive Belt Tensioner Kit maintains optimal serpentine belt tension and pulley alignment on the 2011-2020 Jeep Grand Cherokee to eliminate belt slip and prevent auxiliary system drive failure.\u003c\/p\u003e\n\u003ch3\u003eThe Stock Jeep Grand Cherokee WK2 Accessory Drive Weakness\u003c\/h3\u003e\n\u003cp\u003eFactory accessory drive assemblies on the \u003cstrong\u003eWK2\u003c\/strong\u003e platform succumb to severe fatigue over extended heat cycles. The OEM tensioner internal torsional spring weakens from continuous dampening demands, causing improper belt preload, harmonic oscillations, and audible belt squeal under sudden throttle transients. Simultaneously, the stock polymer idler pulleys are prone to thermal degradation and bearing grease dry-out under sustained \u003cstrong\u003e3.6L Pentastar V6\u003c\/strong\u003e operating temperatures. As the internal roller bearings seize or develop radial runout, the \u003cstrong\u003e6PK1670\u003c\/strong\u003e belt experiences abnormal edge wear, structural cord degradation, and premature snapping, which instantaneously disables the alternator, power steering assist, and water pump circuit.\u003c\/p\u003e\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive service kit eliminates accessory drive failures by upgrading the load-bearing components to heavy-duty mechanical specifications. The replacement tensioner assembly utilizes a precision-wound torsional spring engineered to counter premature tensile slack and resist dampening loss under heavy load transitions. Paired with high-grade steel idler pulleys equipped with dual-sealed, high-temperature low-friction radial bearings, this kit prevents rotational wobble and lateral deflection. The included \u003cstrong\u003e6PK1670\u003c\/strong\u003e serpentine belt features a durable EPDM elastomeric construction with polyester tensile cords that resist oil saturation, cracking, and rib glaze, restoring silent, efficient accessory drive synchronization across the entire RPM band.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 Serpentine Belt 6PK1670\u003c\/li\u003e\n\u003cli\u003e1 Tensioner Assembly\u003c\/li\u003e\n\u003cli\u003e2 Idler Pulleys\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003ctbody\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;\"\u003e2011-2020 Jeep Grand Cherokee\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;\"\u003e3.6L Pentastar V6 \/ WK2\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;\"\u003e290-295 hp \/ 260 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;\"\u003eDS-5184617AD, \n\u003cdiv class=\"ux-layout-section-evo__col\"\u003e\n\u003cdiv class=\"ux-labels-values__values-content\"\u003e\n\u003cdiv\u003e\u003cspan class=\"ux-textspans\"\u003e5184617AD,5281821AA,5281301AA,6PK1670\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2011-2020 Jeep Grand Cherokee 3.6L V6 (WK2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the WK2 Grand Cherokee?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2011-2020 Jeep Grand Cherokee equipped with the \u003cstrong\u003e3.6L Pentastar V6\u003c\/strong\u003e engine. \u003cstrong\u003eThis kit does not fit 5.7L HEMI, 6.4L SRT, or 3.0L EcoDiesel models; verify your engine displacement and that your vehicle utilizes a 6PK1670 belt before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eWhat is the specific belt specification included in this kit?\u003c\/h4\u003e\n\u003cp\u003eThe kit includes a 6-rib, 1670mm effective length (6PK1670) heavy-duty EPDM serpentine drive belt designed specifically for the standard 3.6L Pentastar accessory configuration.\u003c\/p\u003e\n\u003ch3\u003eThe Jeep Durability Standard\u003c\/h3\u003e\n\u003cp\u003eWhether navigating washboard gravel trails or sustaining maximum tow capacities in summer heat, the Grand Cherokee demands rugged accessory drive reliability. Installing this heavy-duty tensioner, bearing, and belt kit prevents trailside breakdowns and ensures consistent electrical and cooling system performance under punishing off-road and towing conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67547018166520,"sku":"DS-ED77R82GF","price":88.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-drive-belt-tensioner-kit-for-jeep-grand-cherokee-2011-2020-3-6l-1.jpg?v=1790739845","url":"https:\/\/performancechiptuning.com\/products\/performance-drive-belt-tensioner-kit-for-jeep-grand-cherokee-2011-2020-3-6l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}