This genuine Honda oil seal (MPN 91211-Z3E-003) is a precision lip seal designed to keep engine oil in and contaminants out of Honda mini 4-stroke engines. Manufactured to Honda’s specifications for the GX25 series, it provides a tight, reliable seal around a rotating shaft, typically on the crankcase side. The seal body is made from oil- and heat-resistant elastomer with metal reinforcement for shape stability and consistent fit. It helps maintain correct lubrication and prevents premature wear of bearings and other internal parts. Ideal for handheld machinery powered by the GX25 platform-such as blowers and brushcutters-this OEM seal is a direct-fit replacement for the GX25T and GX25NT, restoring factory sealing performance and supporting long service life. Genuine Honda part for assured compatibility and quality.

Key Features:
– Genuine Honda part for the correct fit and reliable sealing performance
– Oil- and heat-resistant elastomer with metal reinforcement for durability
– Precision lip profile to retain oil and exclude dust and debris
– Helps protect bearings and internal components from premature wear
– Supports stable engine efficiency by preventing oil leaks
– Manufactured to Honda tolerances for consistent installation and operation
– Suitable for routine maintenance or leak repairs on GX25 engines
– Direct replacement with no modification when used on listed models

Typical Applications:
Used when servicing or repairing Honda GX25 engines found in handheld garden and light-duty contractor tools. Typical tasks include replacing a leaking crankshaft or drive-end seal during routine maintenance, after shaft or bearing work, or when oil seepage is observed. Helps keep tools like blowers, brushcutters, and multi-tool power units running cleanly and efficiently with proper lubrication and reduced downtime.

Also known as:
Crankshaft oil seal, rotary shaft seal, oil lip seal, engine shaft seal, Honda GX25 oil seal, drive-end seal, crank oil seal, shaft seal for small engines.

Fits Models:
GX25NT, GX25T, HHB25E

Alternate Part Numbers:
91211-Z3E-003, 91211Z3E003

Product Specifications