Keep your vehicle's cooling system operating at peak performance with this 18 lbs radiator cap. Crafted from durable metal with a chrome-plated finish, this direct replacement cap is designed for specific vehicle applications including select Jeep, Dodge, and Chrysler models from 1993-2006. Compatible with various engines including the Jeep Grand Cherokee 5.2L V8, Dodge B Van 3.9L V6 & 5.2L V8, and Jeep Wrangler 2.5L/4.0L engines. The cap features a locking design with key for added security and maintains proper cooling system pressure. Each package includes one radiator cap that matches OEM specifications (equivalent to part numbers 52079799AA and 55116901AA). Measuring 4.5 x 4.0 x 3.5 inches and weighing 8 ounces, this silver-finished cap ensures a precise fit for your vehicle. Remember to verify your vehicle's specifications before purchase to ensure compatibility.