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

Heavy-Duty Drive Belt Tensioner & Pulley Kit for 2011-2020 Dodge Challenger (LC/LA)

What it Does: The Performance Drive Belt Tensioner Kit stabilizes accessory drive belt alignment and restores consistent dynamic tension on the 2011-2020 Dodge Challenger 3.6L, preventing belt slip, parasitic drag, and accessory drive failure.

The Stock Dodge Challenger Pentastar Tensioner Limitation

Factory accessory drive assemblies on the 3.6L Pentastar V6 are vulnerable to mechanical fatigue over sustained thermal cycles. The factory tensioner's internal damping spring gradually loses its calibrated torsional resistance, permitting excessive arm oscillation under variable RPM loads. Concurrently, factory plastic idler pulleys suffer bearing grease washout and raceway degradation. These flaws cause belt misalignment, high-frequency chirping, uneven rib wear, and sudden throwing of the serpentine belt under aggressive engine deceleration.

The Engineering Solution

This comprehensive service kit replaces worn front-end accessory drive hardware with upgraded components engineered to withstand high engine speeds and severe underhood temperatures. The tensioner assembly features a fortified internal damping mechanism to control belt whip and absorb crankshaft torsional vibrations. Matched with heavy-duty idler pulleys packed with high-temperature synthetic grease, the included 6PK1670 EPDM micro-V serpentine belt resists rib cracking, tensile cord decay, and thermal elongation on the LC/LA chassis.

What's Included

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

Technical Specifications

Compatibility

• 2011-2020 Dodge Challenger SXT (3.6L V6)
• 2011-2020 Dodge Challenger SXT Plus (3.6L V6)
• 2017-2020 Dodge Challenger GT (3.6L V6 AWD/RWD)

Frequently Asked Questions & Fitment Warnings

Does this fit the LC/LA Challenger?

Yes, this is a direct fit for the 2011-2020 Dodge Challenger equipped with the 3.6L Pentastar V6 engine. This kit does not fit 5.7L HEMI, 6.4L 392, or 6.2L Supercharged Hellcat V8 platforms.

What is the specific belt specification included in this kit?

This kit includes a direct-fit 6-rib, 1670mm effective length (6PK1670) serpentine belt designed strictly for factory Pentastar 3.6L accessory drive routing.

The Dodge Muscle Caliber

Maintain consistent alternator charging, hydraulic power transmission, and engine cooling when demanding wide-open throttle performance from your Pentastar-powered modern muscle coupe.