The Westerbeke 34440 is a marine generator raw-water (seawater) pump impeller kit. It is a service/replacement part used to keep seawater circulating through the generator’s cooling system.

Compatible Generator Specifications

• Output Range: 3.3 kW up to 15.0 kW (50/60Hz models).
• Manufacturing Date: Built prior to March 2004.
• Pump Model: Must use raw water pump number 33636 with an irregular/non-round cover.
• Note: It does not fit post-March 2004 pumps that use a round cover and an O-ring seal.

We recently acquired a large inventory of overstock items. These items are in manufacturer's original packaging and may have minor cosmetic blemishes from storage.