Yanmar Impeller Pump Gasket | 3JH / 4JH Series | 129150-01881

Description

The Yanmar Impeller Pump Gasket (129150-01881) is designed to provide a reliable, watertight seal between the engine block and the impeller (raw water) pump on Yanmar 3JH and 4JH marine diesel engines. Proper sealing at this interface is essential to prevent seawater leakage and ensure efficient raw water cooling.

Manufactured to OEM-equivalent specifications, this gasket ensures accurate fitment and dependable performance. It should be replaced whenever the impeller pump is removed during maintenance or servicing.

Product Type

Impeller pump gasket (engine-to-pump)

OEM / Reference Number

• 129150-01881

Installation Location

Between the engine block and the impeller pump

Compatibility

Suitable for Yanmar engines:

3JH Series (all models)

• 3JH2

• 3JH2-TCE

• 3JH2E

• 3JH25A

• 3JH3

• 3JH3E / E-YEU-E

• 3JH4E

• 3JH5AE

• 3JH5E

4JH Series (all models)

• 4JH

• 4JH-DTE

• 4JH-HTZ

• 4JH-HTZA

• 4JH-TZ

• 4JH-TE