Mercury Force Drain/Fill Screw Washer Lower Unit Gearcase 12pk 12-19183 3 307552

Drain/Fill Screw Washer for Mercury and Force

This drain/fill screw washer is a 12-pack of replacement washers designed for Mercury and Force outboard lower unit gearcases, providing a leak-proof seal for drain and fill screws. It matches OEM part numbers 12-19183, 3, and 307552, ensuring compatibility with many models.

Overview

These drain/fill screw washers are essential for maintaining the integrity of your outboard's lower unit gearcase. Each washer creates a tight seal around the drain and fill plugs, preventing oil leaks and keeping water out. Made for Mercury and Force outboards, this 12-pack ensures you have spares on hand for multiple services.

Built For Performance

• High-quality rubber compound resists oil, heat, and compression
• Precision-cut to match OEM dimensions for a snug fit
• Pack of 12 provides cost-effective replacements for regular maintenance
• Works with standard drain and fill screws on lower unit gearcases
• Easy to install without special tools

On-The-Job Use

• Replaces worn washers during oil changes in the lower unit
• Prevents gearcase oil leaks that can lead to bearing damage
• Ideal for boat owners who perform their own seasonal maintenance
• Suitable for both saltwater and freshwater use

Specs At A Glance

Good To Know

Q: How often should these washers be replaced? A: It is recommended to replace them each time you change the lower unit oil, which is typically every 100 hours or annually. This prevents leaks and maintains proper pressure.

Q: Are these washers universal? A: They are designed to fit standard Mercury and Force drain/fill screws, but always verify your specific model's plug size to ensure a proper seal.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.