The Fuel Gas Tank with Gas Cap is a durable black plastic fuel tank designed for direct replacement in Briggs & Stratton lawn mowers. It comes with a gas cap. The tank is compatible with models such as Briggs & Stratton 84004115 and 594112, and is made with high-quality materials for long-lasting performance. Its compact size of 7.87 x 7.87 x 5.90 inches and weight of 14.11 oz make it convenient for installation on the engine of your lawnmower.