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BDK Electric Water Pump Kit

Product "BDK Electric Water Pump Kit"

BDK Electric Water Pump – Complete Kit for converting to a fully electric, temperature-controlled coolant circulation system. Flow rate up to 20 l/min and a service life of over 20,000 operating hours. Ideal for racing conversions, engines without a mechanical pump, or projects with optimised thermal management.


Advantages
  • complete solution – all core components for electric pump operation included
  • fully temperature-controlled regulation (start point and maximum temperature adjustable)
  • no power loss from a mechanical pump
  • max. flow rate 20 l/min (compact design)
  • long service life: tested for 20,000 h
  • 20 mm hose connections

Technische Hauptmerkmale
Flow ratemax. 20 l/min
Service lifetested for 20,000 operating hours
Temperature controlTwo adjustment potentiometers on the controller:
Start temperature: 35–45 °C
Maximum flow: 55–65 °C
Linear increase in flow between these two points
SensorTemperature sensor 1/8" x 27 NPTF (tapered thread)
Connections20 mm hose connections (inlet/outlet)
Wiring harness / coloursred: switched +12 V • black: earth (may also earth the sensor mount) • yellow: sensor • green: negative for pump
Important note on scope of deliveryThis kit does not include vehicle-specific fitting parts such as model-specific brackets, coolant hoses, adapters/reducers, sensor adapter pieces, end caps/blanking plugs or engine block seals. Such parts must be selected, manufactured or adapted specifically for the vehicle.
Suitability / target groupThis conversion requires your own technical skill (e.g. positioning the sensor at the cylinder head outlet, possibly cutting threads/making adapters, bypassing or removing the original pump, removing the thermostat). For this reason, the kit is recommended for experienced mechanics and enthusiasts only.
Keep an eye on the temperatureAs the pump is designed for max. 20 l/min, the coolant temperature should be closely monitored after conversion – particularly under high load, in hot ambient conditions, or on the racetrack.
Power requirement to note 1.25A / 15W
 
Scope of delivery
1.Electric water pump (20 mm connections)
2.Temperature sensor (1/8" x 27 NPTF)
3.Water pump controller
4.Wiring harness with connectors
5.Rubber mounting bracket for attachment
Installation overview
1.Fit the temperature sensor close to the cylinder head outlet; cut a thread/make an adapter if necessary.
2.Bypass or remove the original water pump; seal the mating surface on the engine block with a suitable end cap/blanking plug.
3.Mount the pump so that the inlet or outlet is as vertical as possible (to avoid air pockets); note the flow direction (arrow).
4.Remove any thermostats that would restrict flow below the start temperature.
5.Set the controller (start 35–45 °C / max 55–65 °C), fill the system and bleed it carefully – never run it dry!
6.📄 Installation instructions
 
IMPORTANT:
  • This kit does not include vehicle-specific brackets, hoses, adapters or seals.
  • Proper conversion requires your own modifications.
  • The maximum flow rate is 20 l/min – the coolant temperature should always be closely monitored after the conversion.
  • Current draw 1.25A - monitor within your own system (alternator / battery / settings) and adjust the setup if necessary

 

FUNCTION: STAND ALONE

Compatibility

BrandModelYears
ApriliaAPRILIA RSV4 11002021-2026
ApriliaAPRILIA Tuono V4 11002015-2026

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