Product Overview Keep your Jeep Cherokee KJ running smoothly with this high-quality 3.7L Belt Tensioner, designed to maintain proper serpentine belt tension and prevent belt slippage, squealing, or premature wear. Built specifically for the Jeep Cherokee KJ 3.7 V6 engine, this tensioner ensures reliable performance under demanding driving conditions, whether you’re cruising on highways or tackling off-road terrain. Why Replacing the Tensioner …