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Yanmar® Water Pump Kits

Genuine Yanmar water pump parts and 1000s of other Yanmar Parts are always in stock from Marine Diesel Direct .

All parts can be ordered at our online store (Marine Diesel Direct), or by contacting support.  

To order online, simply click on the appropriate part number, listed below and be moved to that part in our secure online store.

4LH-SERIES ENGINES
Order Yanmar part number K19171-42200
Kit contains: mechanical seal, oil seal, o-rings, bolts, impeller, bearings, circlips

2QM20 and 3QM30 ENGINES
Order Yanmar part number K24770-42702  (old part number K24770-42701)
Kit contains: impeller, cam, seals, cover plate screws, gaskets, bearings, circlips, keys

2GM, 3GM, 2GM20, 3GM30 ENGINES
Order Yanmar part number K28270-42000
Kit contains: seals, bearings, cam, impeller, impeller gasket, screws, lock nut, spacers

GMF SERIES ENGINES
Order Yanmar part number  K28670-42101 (old part number K28670-42100)
Kit contains: seals, bearings, cam, impeller, impeller gasket, screws, lock nut, spacers, belt, circlips, key

4JH/4JH2 SERIES ENGINES
Order Yanmar part number K29573-42200 (old part number K29573-42200)
Kit contains: mechanical seal, oil seal, o-rings, bolts, impeller, bearings, circlips

Impeller Kits

GMF / HMF SERIES ENGINES
Order Yanmar part number K28670-4211M (old part number K28670-4210M)
Kit contains: impeller, impeller gasket, seal

4JH / 4JH2 SERIES ENGINES
Order Yanmar part number K29573-4220M
Kit contains: impeller, impeller o-ring, seal, mounting gasket