Engineered Marine Products Water Pump Impeller 47-03908 for Mercruiser Cooling Systems

The Engineered Marine Products impeller, part number 47-03908, is a water pump impeller built for Mercruiser cooling system applications. Engineered Marine Products has supplied both OEM and marine aftermarket channels for over 40 years, engineering and sourcing components to deliver consistent quality at a competitive price point. This impeller carries a machined exterior finish and is sized to fit within standard Mercruiser water pump housings, making it a straightforward replacement part for boat owners and marine technicians performing cooling system maintenance.

At 3 x 3 x 2 inches and 0.484 pounds, this impeller is compact and easy to handle during a water pump service. Impellers are a wear item in any raw-water cooling system; as the rotating component inside the water pump housing, the impeller circulates raw water through the engine to keep operating temperatures in check. Replacing a worn or cracked impeller on schedule helps prevent overheating and protects the engine's cooling passages from restricted water flow.

Specifications

• Brand: Engineered Marine Products
• Manufacturer Part Number: 47-03908
• Product Type: Water Pump Impeller
• Weight: 0.484 pounds
• Product Dimensions: 3 x 3 x 2 inches
• Exterior Finish: Machined
• UPC: 840080443416
• Application: Mercruiser cooling system

Frequently Asked Questions

What is part number 47-03908? Part number 47-03908 is an Engineered Marine Products water pump impeller made for Mercruiser cooling system applications.

What are the dimensions of this impeller? The 47-03908 impeller from Engineered Marine Products measures 3 x 3 x 2 inches.

How much does the 47-03908 impeller weigh? This Engineered Marine Products impeller weighs 0.484 pounds.

What UPC is assigned to this impeller? The Engineered Marine Products impeller 47-03908 carries UPC 840080443416.

What finish does the 47-03908 impeller have? It has a machined exterior finish, as specified for this Engineered Marine Products impeller.

Is 47-03908 a genuine Engineered Marine Products part? Yes, 47-03908 is manufactured by Engineered Marine Products, a company that has supplied OEM and marine aftermarket parts for over 40 years.

What cooling system is this impeller designed for? This impeller, part number 47-03908, is designed for use in a Mercruiser cooling system.

Does the 47-03908 impeller come with gaskets or a housing? No, this listing is for the impeller itself, part number 47-03908; it does not include a housing, face plate, or gasket set.

What role does an impeller like 47-03908 play in a marine cooling system? The impeller is the rotating component inside a water pump housing that circulates raw water through the engine; part number 47-03908 fills that role in a Mercruiser cooling system.