Description
Seal 23x36x6
The Honda 91251-ZW1-B04 is a genuine OEM oil seal designed to prevent oil leakage and protect critical components within Honda outboard engines. Built from premium rubber and metal materials, this seal provides a tight, durable fit that withstands high heat, pressure, and marine conditions.
Commonly used in the lower unit or crankcase assembly of select Honda BF-series outboards, the 91251-ZW1-B04 maintains proper lubrication, prevents contamination, and ensures smooth, reliable engine operation. It’s a direct-fit replacement for worn or damaged seals and helps extend overall engine life.
Always verify compatibility with your specific model and serial number before installation.
The Honda 91251-ZW1-B04 Oil Seal is a genuine OEM lower-unit seal engineered for select Honda BF-series marine outboard engines. Positioned around the propeller shaft or in the gearcase assembly, this precision-molded seal prevents water intrusion and gear oil leakage—protecting gears, bearings, and internal drivetrain components from costly damage. Made from high-grade, marine-resistant rubber with reinforced sealing lips, it withstands heat, pressure, saltwater exposure, and high-RPM shaft rotation. Ideal for water pump rebuilds, gearcase servicing, or replacing a worn or leaking seal to restore factory-spec reliability and long-term outboard performance.
