Mercury 2/4-Str 6-15HP Lower Unit Seal Kit 26-66022 26-99325 26-821928 25-33145

Lower Unit Seal Kit for Mercury

This lower unit seal kit for Mercury outboard motors replaces worn seals to keep water out and gear oil in, with OEM cross-reference numbers 26-66022, 26-99325, 26-821928, and 25-33145.

Overview

This lower unit seal kit for Mercury is designed for 6-15HP 2-stroke and 4-stroke outboard motors. It provides a complete set of seals and gaskets to rebuild the lower unit, preventing leaks and water intrusion. Ideal for maintaining the performance and reliability of your Mercury outboard.

Built For Performance

• Precision-molded seals ensure a tight, secure fit
• Includes all necessary gaskets and O-rings for a complete rebuild
• Corrosion-resistant materials withstand marine environments
• Meets or exceeds OEM specifications for durability
• Direct replacement for part numbers 26-66022, 26-99325, 26-821928, and 25-33145
• Engineered for Mercury 6-15HP 2/4-stroke outboard lower units

Fits These Machines

• for Mercury 6-15HP 2-stroke outboards
• for Mercury 6-15HP 4-stroke outboards

On-The-Job Use

• Replacing worn lower unit seals during routine maintenance
• Preventing water intrusion and gear oil leaks
• Restoring performance in aging outboard lower units
• Ideal for DIY mechanics and professional marine technicians

Specs At A Glance

Good To Know

Q: Will this seal kit fit my Mercury 9.9HP outboard? A: Yes, it is designed for Mercury 6-15HP 2-stroke and 4-stroke outboards, but always confirm your serial number for exact compatibility.

Q: What does the lower unit seal kit include? A: It includes all necessary seals, gaskets, and O-rings to rebuild the lower unit and prevent leaks.

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