Sierra 18-99524 Gearcase Filler Pump for Outboard Lower Units

The Sierra 18-99524 Gearcase Filler is a precision fluid dispensing pump designed for filling and servicing outboard motor lower units and stern drive gearcases. This essential marine service tool allows you to efficiently add gear lube to lower unit housings through the drain or fill plug opening.

Key Features:

• Precision pump design for controlled gear oil dispensing
• Compatible with standard quart bottles of marine gear lube
• Flexible nozzle reaches tight drain/fill plug locations
• Reduces mess and waste during gearcase servicing
• Durable construction for marine workshop environments
• Works with most outboard and stern drive lower units

This gearcase filler pump simplifies routine lower unit maintenance by providing controlled, mess-free gear oil delivery. The flexible dispensing tube allows you to reach recessed fill plugs while the pump mechanism gives you precise control over oil flow. An essential tool for do-it-yourself boaters and marine technicians performing regular gearcase oil changes.