{"product_id":"performance-drive-belt-tensioner-kit-for-ram-2500-2011-2018-5-7l","title":"Performance Drive Belt Tensioner Kit for Ram 2500 (2011-2018) 5.7L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Drive Belt Tensioner Kit for 2011-2018 Ram 2500 (DJ)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Drive Belt Tensioner Kit replaces the fatigue-prone factory tensioner, idler pulley, and belt on the 2011-2018 Ram 2500 to maintain constant accessory drive tension, eliminate belt slip, and protect critical engine accessories under severe load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Ram 2500 Tensioner Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe factory accessory drive on the \u003cstrong\u003eDJ\u003c\/strong\u003e chassis equipped with the \u003cstrong\u003e5.7L HEMI V8\u003c\/strong\u003e experiences significant thermal degradation and harmonic vibration during prolonged towing. Over time, the internal torsional dampening spring in the OEM assembly relaxes, resulting in tensioner arm deflection and improper belt contact angles. This slack induces high-load belt slippage, rapid rib glazing, and uneven side-loading on alternator and water pump bearings. Furthermore, factory sealed pulley bearings dry out from underhood heat soak, resulting in severe parasitic drag, squealing, and eventual bearing seizure.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive service kit restores front-end accessory drive efficiency and maintains stable dynamic tension across all operating RPMs. Tensioner assembly \u003cstrong\u003e38323\u003c\/strong\u003e integrates a heat-treated internal damping mechanism engineered to absorb abrupt torsional spikes caused by heavy cooling fan cycling and alternator engagement. Paired with idler pulley \u003cstrong\u003e38018\u003c\/strong\u003e, both components house premium, dual-sealed low-friction cartridge bearings pre-packed with high-temp grease to eliminate rotational resistance and seizure. The included \u003cstrong\u003e6PK2020\u003c\/strong\u003e heavy-duty EPDM serpentine belt resists rib cracking, tensile stretch, and thermal degradation under severe duty cycles.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Serpentine Belt (6PK2020)\u003c\/li\u003e\n  \u003cli\u003e1 Idler Pulley (38018)\u003c\/li\u003e\n  \u003cli\u003e1 Tensioner Assembly (38323)\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;\"\u003e2011-2018 Ram 2500\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;\"\u003e5.7L HEMI V8 \/ DJ\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;\"\u003e383 hp \/ 400 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;\"\u003e6PK2020, 38018, 38323\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\u003e2011-2018 Ram 2500 5.7L V8 Gas\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 DJ 2500?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2011-2018 Ram 2500 equipped with the \u003cstrong\u003e5.7L HEMI V8\u003c\/strong\u003e engine. \u003cstrong\u003eThis kit does not fit 6.4L HEMI V8 gas or 6.7L Cummins Turbo Diesel configurations.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eAre modifications or aftermarket brackets required for installation?\u003c\/h4\u003e\n\u003cp\u003eNo modifications are necessary; this kit is a direct bolt-on replacement engineered to interface with the factory timing cover and accessory bracket mounting locations.\u003c\/p\u003e\n\n\u003ch3\u003eThe Ram Heavy-Duty Caliber\u003c\/h3\u003e\n\u003cp\u003eWhen hauling maximum payload or towing heavy trailers, dependable accessory drive operation is non-negotiable. This kit delivers rugged component longevity to keep your alternator, power steering, and cooling systems fully powered without fail.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67547030847736,"sku":"DS-EOZ5BL3DW","price":71.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-drive-belt-tensioner-kit-for-ram-2500-2011-2018-5-7l-1.jpg?v=1790739972","url":"https:\/\/performancechiptuning.com\/de\/products\/performance-drive-belt-tensioner-kit-for-ram-2500-2011-2018-5-7l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}