Jabsco Replacement Impeller 22405-0001-P, 6-Blade Neoprene for Volvo, Johnson, and Ancor Pumps

The Jabsco Replacement Impeller 22405-0001-P is a 6-blade neoprene impeller built for Volvo, Johnson, and Ancor raw water pumps. It is the wear component that drives cooling water through your engine's raw water pump, and it is designed to be swapped in as a direct replacement when the original impeller in these pump models becomes worn, cracked, or brittle. The impeller measures 2 inches in diameter with an impeller depth of 3/4 inch and fits a 15/32 inch shaft. Its hub is reinforced with a brass insert for a secure, long-lasting fit around the drive shaft, while the neoprene blade material is formulated to hold its flexibility and sealing ability under repeated engine heat cycles and constant water contact. The impeller is designed for a slotted shaft with pin drive, so it engages and turns with the pump shaft through a drive pin rather than a keyway. Neoprene is the standard impeller material for raw water and general-purpose engine cooling pumps because it resists the fuel and oil residue commonly found in bilge and engine spaces while still flexing enough to move water efficiently at low RPM. Replacing a worn impeller on schedule protects the pump housing and cam from scoring and helps prevent overheating caused by reduced water flow. This impeller is sized and drive-configured specifically for Volvo, Johnson, and Ancor pump applications, so confirm your pump brand before ordering.

Specifications

• Brand: Jabsco
• Manufacturer Part Number: 22405-0001-P
• Material: Neoprene
• Insert Material: Brass
• Number of Blades: 6
• Shaft Size: 15/32 inch
• Impeller Diameter: 2 inches
• Impeller Depth: 3/4 inch
• Drive Type: Slotted shaft, pin drive
• Weight: 0.2 pounds
• UPC: 671880574747

Fitment

• Volvo raw water pumps
• Johnson raw water pumps
• Ancor raw water pumps

Replaces (OEM)

No OEM cross-reference numbers are specified for this part.

Frequently Asked Questions

What pumps does the Jabsco 22405-0001-P impeller fit? The Jabsco 22405-0001-P is made for Volvo, Johnson, and Ancor raw water pumps, and is not a universal impeller for other pump brands.

What material is this impeller made from? This impeller is made from neoprene rubber blades with a brass insert reinforcing the center hub, giving it durability against heat and constant water exposure.

How many blades does the 22405-0001-P impeller have? It has 6 blades, which is the standard configuration for this Jabsco raw water pump impeller.

What size shaft does the Jabsco 22405-0001-P impeller use? The impeller is sized for a 15/32 inch shaft.

What are the dimensions of this impeller? The Jabsco 22405-0001-P measures 2 inches in diameter with an impeller depth of 3/4 inch.

How does this impeller attach to the pump shaft? It is designed for a slotted shaft with a pin drive, meaning a drive pin through the shaft slot turns the impeller rather than a keyway.

How much does the impeller weigh? The Jabsco 22405-0001-P weighs 0.2 pounds.

Is this a genuine Jabsco part or an aftermarket copy? The 22405-0001-P is a genuine Jabsco replacement impeller, not a generic aftermarket copy, and is manufactured to the same specifications as the original part it replaces.

When should I replace my pump impeller? A raw water pump impeller like the 22405-0001-P should be replaced when its neoprene blades show cracking, chunking, or loss of flexibility, since worn blades reduce cooling water flow and can lead to engine overheating.

Will this impeller work in any raw water pump? No. The Jabsco 22405-0001-P is specifically sized and drive-configured for Volvo, Johnson, and Ancor pumps, so it should not be assumed to fit other pump models.

What is included when I order this part? Ordering the Jabsco 22405-0001-P gets you the single replacement impeller unit; the brass insert is already fitted into the neoprene impeller hub.