Yanmar 129158-52101 Fuel Feed Pump | Replaces 129158-52100 | 3YM30 / 4JH | New OEM

New OEM Yanmar 129158-52101 (12915852101) fuel feed pump assembly. It is the genuine Yanmar lift pump for 2YM15, 3YM30 and 3YM30AE marine engines and for Yanmar 3JH and 4JH-series marine diesels. It supersedes Yanmar 129158-52100. Installation requires gasket 129155-52051 (sold separately). Confirm by engine model and serial number, or by the part number on your existing pump, before ordering.

Key Features:

• Genuine Yanmar fuel feed (lift) pump assembly
• Yanmar part number 129158-52101; supersedes 129158-52100
• Fits Yanmar 2YM15, 3YM30 and 3YM30AE marine engines
• Fits Yanmar 3JH4E and 4JH-series marine engines
• Installs with Yanmar gasket 129155-52051
• New OEM

Specifications:

• Part Number: 129158-52101
• Supersedes: Yanmar 129158-52100
• Brand: Yanmar
• Condition: New OEM
• Component Type: Fuel Feed Pump Assembly (Lift Pump)
• Required Gasket: Yanmar 129155-52051 (not included)

Compatibility / Fitment:

Yanmar YM-series marine diesel engines:

• 2YM15
• 3YM30
• 3YM30AE

Yanmar JH-series marine diesel engines:

• 3JH4E
• 4JHE
• 4JH-TE
• 4JH2E
• 4JH3E
• 4JH4E

Fitment check:

Yanmar uses several different feed pumps across its small marine and industrial engines. Confirm fitment by engine model and serial number in the Yanmar parts catalog, or match the part number on your existing pump (129158-52101 or 129158-52100). Order gasket 129155-52051 with the pump.

Cross-References / Interchange:

Supersession:

• Yanmar 129158-52100 → replaced by 129158-52101

Required with:

• Yanmar 129155-52051 Gasket (sold separately)

Conclusion:

The Yanmar 129158-52101 is a new, genuine OEM fuel feed pump assembly for Yanmar 2YM15, 3YM30, 3YM30AE and JH-series marine diesels, and it is the current replacement for 129158-52100. Ordering it together with gasket 129155-52051 gives a complete factory replacement.