The Bobcat 7298331 DEF Lock Cap is a genuine OEM replacement part designed to securely seal the Diesel Exhaust Fluid (DEF) tank on various Bobcat compact loaders and excavators. This essential component helps prevent contamination and unauthorized access to the DEF system, maintaining optimal engine performance and emissions compliance. Constructed for durability, it measures approximately 101.6 mm in length, 101.6 mm in width, and 76.2 mm in height, with a weight of 0.23 kg.