{"product_id":"performance-drive-belt-tensioner-kit-for-chrysler-300-2011-2020-3-6l","title":"Performance Drive Belt Tensioner Kit for Chrysler 300 (2011-2020) 3.6L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Performance Drive Belt Tensioner Kit for 2011-2020 Chrysler 300 (LD)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Drive Belt Tensioner Kit restores correct accessory drive tension and eliminates belt slip across the alternator, water pump, and compressor on the 2011-2020 Chrysler 300 \u003cstrong\u003e3.6L Pentastar\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chrysler 300 Belt Drive Weakness\u003c\/h3\u003e\n\u003cp\u003eFactory belt tensioners on the \u003cstrong\u003eLD\u003c\/strong\u003e chassis utilize cast internal damping springs that suffer from severe fatigue under sustained thermal cycling. Over mileage, dampening loss allows belt flutter, leading to dynamic misalignment and premature accessory bearing failure. Compounding the issue, the OEM composite idler pulleys develop bearing play and micro-groove scoring, resulting in high-frequency belt squeal, edge fraying, or thrown belts during aggressive high-RPM downshifts on the \u003cstrong\u003e3.6L Pentastar\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-replacement refresh kit stabilizes accessory drive harmonics and restores steady tension load under harsh operating conditions. Featuring a heavy-duty tensioner assembly engineered with high-durability internal springs, it actively resists dampening breakdown. Paired with dual heavy-duty idler pulleys packed with premium high-speed radial bearings and a durable \u003cstrong\u003e6PK1670\u003c\/strong\u003e EPDM serpentine belt resistant to rib separation and cracking up to 250°F, this assembly delivers consistent traction without parasitic drag.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x Serpentine Belt (6PK1670)\u003c\/li\u003e\n  \u003cli\u003e1x Tensioner Assembly\u003c\/li\u003e\n  \u003cli\u003e2x Idler Pulleys\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;\"\u003e2011-2020 Chrysler 300\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 \/ LD\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;\"\u003e292-300 hp \/ 260-264 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;\"\u003eN\/A\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\u003e2011-2020 Chrysler 300 3.6L V6 (Limited, S, Touring, Base trims)\u003c\/li\u003e\n  \u003cli\u003eConfigured strictly for 3.6L Pentastar accessory belt paths requiring 6PK1670\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 LD 300?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2011-2020 Chrysler 300 equipped with the \u003cstrong\u003e3.6L Pentastar\u003c\/strong\u003e engine. \u003cstrong\u003eThis kit does not fit 5.7L HEMI or 6.4L SRT8 V8 engine configurations.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eHow do I verify the serpentine belt length is correct?\u003c\/h4\u003e\n\u003cp\u003eVerify that your existing accessory belt configuration calls for a 6-rib, 1670mm effective length (\u003cstrong\u003e6PK1670\u003c\/strong\u003e) prior to installation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chrysler Muscle Sedan Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt to handle the demanding loads and extended high-speed cruising typical of the full-size Chrysler \u003cstrong\u003eLD\u003c\/strong\u003e platform, keeping vital engine cooling and charging systems functioning without slip.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67547017117944,"sku":"DS-EXPF4JIDO","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-chrysler-300-2011-2020-3-6l-1.jpg?v=1790739819","url":"https:\/\/performancechiptuning.com\/de\/products\/performance-drive-belt-tensioner-kit-for-chrysler-300-2011-2020-3-6l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}