Honda Outboard Lower Unit Seal Kit 91252-ZV1-003 91351-ZV1-003 BF4 BF4.5 BF5 BF6

Lower Unit Seal Kit for Honda

This lower unit seal kit for Honda outboards replaces OEM references 91252-ZV1-003 and 91351-ZV1-003 to restore the watertight integrity of the gearcase.

Overview

This lower unit seal kit for Honda is a complete set of gaskets and seals designed for Honda BF4, BF4.5, BF5, and BF6 outboard motors. It prevents water ingress and lubricant loss in the lower gearcase, extending the life of the drive components. This seal kit is ideal for routine maintenance or overhaul of compatible Honda outboards.

Built For Performance

• Includes both OEM part numbers 91252-ZV1-003 and 91351-ZV1-003 for full coverage
• Precision-molded rubber seals that resist oil, fuel, and seawater
• Engineered to match factory tolerances for a secure seal
• Replaces worn, brittle, or damaged seals to eliminate leaks
• Complete kit simplifies ordering and reduces downtime

Fits These Machines

• for Honda BF4
• for Honda BF4.5
• for Honda BF5
• for Honda BF6

On-The-Job Use

• Used during lower unit service on small Honda outboards
• Commonly applied in saltwater and freshwater fishing boats
• Ideal for dinghy, tender, and inflatable boat motors
• Essential for seasonal maintenance and gearcase rebuilding

Specs At A Glance

Good To Know

Q: How do I know this seal kit fits my outboard? A: Confirm your Honda model and compare the original part numbers with those listed.

Q: Can I install this kit without special tools? A: Basic hand tools are sufficient, but a manufacturer service manual is recommended.

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