Performance Drive Belt Tensioner Kit for Dodge Charger (2011-2020) 3.6L

Heavy-Duty Serpentine Drive Belt & Tensioner Kit for 2011-2020 Dodge Charger (LD)

What it Does: The Performance Drive Belt Tensioner Kit restores positive accessory drive engagement on the 2011-2020 Charger to eliminate belt slip, bearing squeal, and charging system fluctuations under load.

The Stock Dodge Charger Accessory Drive Failure Points

Under repeated thermal cycling and sustained engine RPM, the factory accessory drive on the LD platform develops critical weaknesses. The internal dampening spring inside the stock belt tensioner loses tension over time, leading to excessive arm oscillation, micro-slipping, and premature belt glazing. Concurrently, factory idler pulley bearings are prone to lubricant washout and cage degradation, causing bearing play, pulley misalignment, and severe belt chirp. Left unchecked, tensioner dampening failure on the 3.6L Pentastar leads to thrown belts, loss of alternator charging output, and sudden water pump disengagement.

The Engineering Solution

This comprehensive service kit replaces fatigued factory components with heavy-duty mechanical assemblies designed to maintain rigid dynamic belt tracking. The tensioner features a calibrated torsion spring and cast-aluminum housing to suppress rotational harmonics and damp torsional whip during rapid throttle transitions. Matched with double-sealed idler pulleys packed with high-temperature synthetic grease, the system eliminates parasitic bearing drag. An oil- and heat-resistant EPDM 6PK1670 serpentine belt provides optimal rib-to-sheave friction across the alternator, water pump, and A/C compressor pulleys without stretching.

What's Included

• 1 Serpentine Belt (6PK1670)
• 1 Tensioner Assembly
• 2 Idler Pulleys

Technical Specifications

Compatibility

• 2011-2020 Dodge Charger 3.6L V6 (SE, SXT, GT trims)

Frequently Asked Questions & Fitment Warnings

Does this fit the LD Charger?

Yes, this is a direct fit for the 2011-2020 Dodge Charger equipped with the 3.6L Pentastar engine. This kit does not fit 5.7L HEMI, 6.4L SRT, or 6.2L Hellcat V8 models.

What belt configuration does this kit use?

This kit includes a 6PK1670 belt (6-rib, 1670mm effective length); verify your engine routing and equipment configuration before ordering.

The Dodge Muscle Standard

Consistent power delivery on modern rear-wheel-drive muscle platforms demands uncompromising valvetrain and accessory stability, keeping all auxiliary systems turning true even under sudden wide-open-throttle revs.