Invincible Marine Pump Lower Unit Fill, Plastic, Clear

Tough and reliable, this plastic clear lower unit fill for your outboard motor is designed to make any boating day go more smoothly. Simply top up the fluid in your lower unit to ensure optimum lubrication for your gear housing and driveshaft. The transparent material helps you easily monitor fluid levels to avoid overfilling. Whether you're an avid fisher or just enjoy a weekend cruise, this convenient lower unit fill will help keep your outboard motor in shipshape for many boating seasons to come.