Designed to be an ideal replacement for your vehicle's worn equipment, ACDelco Professional, premium aftermarket Auto Wire and Auto Cable products are built to meet nearly every application and budget. ACDelco meet or exceed most original manufacturers' specifications. Built to exacting specifications, and extensively tested, ACDelco Auto Wires and Auto Cables includes our Original Equipment line for GM vehicles and a select offering of premium aftermarket Professional products for GM and non-GM vehicles. ACDelco Professional, premium aftermarket Direct Ignition Coil-on-Plug Boots seal snugly against the spark plug's insulator, keeping moisture and contaminates out and promoting longer spark plug life. They are thoroughly engineered to meet or exceed your expectations for fit, form, and function. ACDelco Professional Direct Ignition Coil-on-Plug Boots provide the performance and dependability you expect from ACDelco. Product Features:Weather tight boot seal for protection against moisture intrusionHigh temperature resistant silicone for protection against thermal overloadStainless steel internal spring with resistor to suppress RFI and deliver maximum voltage to the spark plugPremium, high-quality aftermarket spark plug boot Signs that you might need to replace your direct ignition coil-on-plug boot are:Engine will not start or runReduced PowerExcessive tailpipe emissionsCheck Engine Light is onEngine misfireReduced fuel economy
