12 & 24 Volt | Part Number: #8003
(Supersedes Part No. 8002)
Upgrade your cooling system control with the latest Electric Water Pump & Fan Digital Controller Kit – Colour LCD, Gen 7. Designed for precision, reliability, and ease of use, this next-generation controller features an intuitive colour LCD interface and enhanced functionality for complete cooling management.
Engineered to optimise electric water pump and fan performance, the 8003 delivers greater control, improved visibility, and smarter operation—ideal for performance, street, and motorsport applications.
The controller automatically regulates pump speed and fan operation based on coolant temperature, ensuring efficient thermal management.
Suitable for use with Davies Craig electric water pumps and thermatic fans in:
Backed by a 3-year or 2000-hour warranty (whichever occurs first), covering manufacturing defects under normal use.
The 8003 Colour LCD Controller Kit delivers smarter cooling, better visibility, and greater control—making it the ideal upgrade for modern electric water pump and fan systems.
The Electric Water Pump & Fan Digital Controller – Colour LCD (Part No. 8003) and associated design variations are protected by Registered Design rights. Unauthorised reproduction or imitation is prohibited.
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| Part #0480 | Part #0444 | Part #0401 | Part #0500 | Part #0555 | Part #0550 | Part #8003 | |
| Supersedes Part No. |
#0444, #0445, #0448 #0435, #0438 |
N/A |
N/A | N/A | N/A | N/A | #8002, #8102 |
| Sales Variation |
#0481, #0482, #0483, #0485, #0488 |
#0445, #0448 #0435, #0438 |
#0400, #0404 | #0501 | #0556 | #0551 | #8103 |
| Operating Voltage | 12 & 24 Volt | 12 & 24 Volt | 12 & 24 Volt | 12 & 24 Volt | 12 & 24 Volt | 12 & 24 Volt | 12 & 24 Volt |
| Maximum Current | 40 Amps | 40 Amps | 20 Amps | 40 Amps | 40 Amps | N/A | 12 Amps EWP Only |
| Fan Application | MAX 30A Each | MAX 30A Each | Relay Switching Current MAX 15A | All DCPL Fans, EWPs & EBPs | All brushed DCPL Fans, EWPs | All Brushless DCPL Fans, EWPs | All DCPL Fans, EWPs |
| Speed | Single Speed | Single Speed | Single Speed | Single Speed | Variable Speed | Variable Speed | Single speed Fan & Variable EWP |
| Single Fan Control |  |
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Brushed FAN only | Brushless FAN only | |
| Dual Fan Control | |
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Wiring Dependent | |
Brushed FANs only | Brushless FANs only | |
| EWP control | ON / OFF ONLY (USE 8003) | ON / OFF ONLY (USE 8003) | ON / OFF ONLY (USE 8003) | ON / OFF ONLY (USE 8003) | Brushed EWPs only | Brushless EWPs only | |
| EBP control | ON / OFF ONLY | ON / OFF ONLY | ON / OFF ONLY | ON / OFF ONLY |  |
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| EWP/EBP and Fan control | |
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Wiring Dependent | |
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EWP and Fans only |
| Dual Fan Start-Up Delay | 5 Seconds | 10 Seconds | |
Independent set Temperature | 4 independent Operating modes | 5 independent Operating modes | Independent set Temperature |
| Manual Override - Turn On | 2 Fan Override Wires | |
use #0404 | Selectable Fan Override | 2 Fan Override Wires | 2 Fan Override Wires | 2 Fan + 1 EWP Override Wire |
| Manual Override - Turn off | |
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2 Fan Override Wires | 2 Fan Override Wires | |
| Manual Override - Voltage Selection | |
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| °C to °F Change | |
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No temperature units | |
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| Temperature Setting Range |
5°C To 110°C (41°F To 230°F) |
40°C To 110°C (104°F To 230°F) | 40°C To 100°C (104°F To 212°F) | 5°C To 110°C (41°F To 230°F) | 5°C To 110°C (41°F To 230°F) | 5°C To 110°C (41°F To 230°F) | 40°C To 110°C (104°F To 230°F) |
| Temperature Setting Method | Push Button | Push Button | Turn Knob | Push Button | Push Button | Push Button | Push Button |
| Coolant Temperature Detection | Requires #0409 or #0465 | Requires #0409 or #0465 | |
Requires #0409 or #0465 | |
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| Air Temperature Detection | |
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| Transmission Temperature Detection | Fluid measurment Requires #0465 | Ambient temperature only | |
Fluid measurment Requires #0465 | |
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| Display Type | Led Segment | Led Segment | |
Led Segment | Led Segment + Status LEDs | Led Segment + Status LEDs | Colour LCD |
| Temperature Display | |
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| Sensor Fault Display | |
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| Fan Operation Indicator | |
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EWP and Fan1 and FAN2 |
| Over Temperature Warning | |
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| Audible alarm | |
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| Display dimmer | |
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| Mounting position | Engine bay | Engine bay | Engine bay | Vehicle Cabin | Engine bay | Engine bay | Vehicle Cabin |
| Mounting options | Built in Mounting holes | Built in Mounting holes | Bracket supplied | Universal 52mm gauge | Built in Mounting holes | Built in Mounting holes | Various Mounting Options supplied |
