This gas fuel cap is a genuine Briggs & Stratton part, designed for use with the 400e-550ex series of lawn mowers. It is made from durable plastic and has a sleek black color that complements the stylish design of your mower. The cap is compatible with gas-powered mowers and comes in a pack of one, making it a convenient replacement part to have on hand.

The cap is labeled as part number 5449 or 596250 and fits perfectly onto the fuel tank of your lawn mower. It is a must-have accessory for any gardener or lawn enthusiast who values the quality and reliability of Briggs & Stratton products.