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Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.

Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.

Yanmar Water Pumps and Thermostats for 4LH Engines

Discover our wide inventory of Cooling System Components for 4LH Series Engines, including Water Pumps and Thermostats.

If you do not see the Yanmar part you are looking for, please use our quote request form or call us at 888.687.0539: our knowledgeable inside sales staff will gladly assist you.


WATER PUMP GASKET - 4TN100 / 3TN100L / 4T112TL

$8.11

FRESH WATER PUMP - 4LH

Use with YM-119000-42021 Gasket

$887.81

SEA WATER PUMP IMPELLER PLATE - 4LH-DTZ / 4LH-HT / 4LHA-STE / 4LHA-DTE

Surplus Item - Special Pricing

$16.03

RAW WATER PUMP - 4LH

$1,679.57

RAW WATER PUMP - 4LHA-STP

$912.54

WATER COOLER END GASKET - 6LP-DT / 6LP-DTZY / 6LP-STZY

$13.36

FRESH WATER COOLER END GASKET - 3JH3E / 4JHE / 4JH45 / 4JH5E / 3JH4E

$11.91

IMPELLER KIT - 4LV150 / 4LV170 / 4LV195

$62.85

IMPELLER - 4LH (RAW WATER PUMP)

$132.54

IMPELLER - 4LHA / 4LH / 6BY / 6BY3 (RAW WATER PUMP)

$86.97

SEA WATER COOLING PIPE - 4JH2-THE / 3JH3-TE

$54.11