About this item

【Fitment Vehicle】39415 belt tensioner automotive replacement fits for: ①2012-2018 multiple Jeep Wrangler 3.6L trims, including Unlimited/Sport/Sahara/Rubicon; ②2018 Jeep Wrangler JK 3.6L.
【OE Standards】Certified to exceed OEM specs for serpentine belt kits, covering exact replacements for OE# 90K-39415/39415 & 4627038AA/04627038AA belt tensioner pulley & K060876 serpentine drive belt.
【Durable Material】The serpentine belt kit features premium rubber belts paired with alloy pulleys, engineered to withstand extreme temperatures and resist cracking/glazing under prolonged stress.
【Improving Performance】The pulley and tensioner kit maintains optimal belt tension through precision-machined components, reducing slippage compared to worn OEM parts while lowering accessory drive noise.
【Installation & Packaging】Each kit contains tensioners, idler pulleys, and belts (hardware included), though professional installation is advised due to torque-sensitive fasteners.

The 90K-39415 Serpentine Belt Tensioner Kit is designed specifically for 2012-2018 Jeep Wrangler 3.6L vehicles. Made from durable aluminum material, this kit is built to last. Manufactured in the United States, this tensioner kit ensures high quality and a perfect fit for your vehicle. Keep your Jeep running smoothly with this reliable and trustworthy component.