Looking for dipsticks or fluid level indicators with caps that are easy to identify? Turn to Orscheln Products, a global leader in the design and manufacture of motion control systems for heavy-duty trucks, buses, construction equipment, agriculture equipment, and other heavy-duty vehicles. Orscheln Products offers clearly labeled fluid level indicators for heavy-duty trucks and are designed to be suited for a wide range of engine and transmission applications. Various color options are available, which can also assist in positive fluid identification. Orscheln’s Twist2Lock® fluid level indicators are manufactured as a complete system, which includes a tube, locking cap, and indicator as required.