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Davies Craig EWP115 Electric Water Pump Alloy 12v

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Davies Craig EWP115 Electronic Water Pump Alloy Housing 12v

The EWP115 (115 L/min) pump is suitable for small, medium, large, high- performance and 4WD vehicles. It's a performance product that improves engine cooling control and capacity whilst giving you more power and torque and improved fuel economy.

The EWP115 is a practical alternative to the mechanical belt-driven pump or fitted as an auxiliary pump. Mechanical belt-driven water pumps run directly off the motor and sap engine power, the EWP115 is hardwired into your electrical system, by-passing the engine and releasing additional horsepower.

Specification Metric Imperial & Other
Flow Rate (Max) @ 13V DC 115 L/min 30.38 US Gal/min
Min Temperature -40 °C -40 °F
Max Temperature 130 °C 266 °F
Inlet / Outlet Size 38 mm 1.5"
Inlet / Outlet Thread AN16 -
Weight 1.1 kg 2.43 lbs
Burst Pressure 500 kPa 72.5 psi
Nominal Voltage 12V DC
Operating Voltage 3-15V DC
Max Current 10A @ 13V DC
Pump Design Clockwise Centrifugal with Volute Chamber
Pump Material Powdercoated Aluminium
Warranty 24 Months
Manufacturer Part Number 8040

Kit Contents

Quantity Description
1x EWP115 Alloy 12v Water Pump
1x Wiring Harness
2x Rubber Adapter Sleeve - 3mm (1/8")
2x Hose Clamps
1x Assorted Hardware Bag inc Relay

Pump Control

PLEASE NOTE: This is a pump only kit. The pump can be controlled via the following methods:

1. Continuous Running: The pump can be wired direct to the battery for continuous running, this is the simplest way to wire in the pump and is most suitable for racing applications only.

2. EWP Digital Controller: Install along with a Davies Craig EWP Digital Controller, this PWM controller will adjust pump speed based user adjustable target engine temperature. Pumps & Digital Controllers are also available to purchase together as a kit.

3. Thermatic Fan Switch: Combined with a fan switch the pump can be wired to come on with the radiator fan only when additional cooling is required.

Pump Selection Guide

Please note that this is a guide only, many factors are involved when choosing a suitable water pump such as engine capacity, specific output, coolant pipe length etc

Engine Size Pump Model Pump PN Pump & Controller PN
Engines up to 2.0L EWP80 8005 8907
Engines 2.0 - 3.5L EWP115 8025, 8040 8930, 8950
Engines 3.5 - 5.0L EWP130 8080 8990
Engines 5.0L or greater EWP150 8060 8970
Supercharged or Turbo EWP150 8060 8970
Drag Racing or Drifting EWP150 8060 8970
FI Engines 5.0L or greater 2x EWP150 2x 8060 8970


The EWP is a recirculating pump which is ideal for a 'closed system', similar to an automotive cooling system. It is not self-priming.