Core Features & Benefits
Genuine Espar / Eberspacher Hydronic 24V fuel dosing pump (fuel metering pump) designed for precise diesel fuel delivery in Hydronic D5WS and D5WSC heater systems. This pump ensures accurate fuel dosing, stable combustion, and reliable heater performance.
If you require a 12V fuel metering pump for Hydronic D5WS or D5WSC heaters, you can find it here: Eberspacher Hydronic D5WS / D5WSC 12V fuel pump
Note: This pump replaces older part numbers and may be supplied under updated reference 224522030000.
Part Numbers and References
- 251942450000
- 25.1942.45.0000
- 25.1942.45.00.00
- 25 1942 45 0000
- 25 1942 45 00 00
- 224522030000
- 22.4522.03.0000
- 22.4522.03.00.00
- 22 4522 03 0000
- 22 4522 03 00 00
Application
This fuel metering (dosing) pump regulates the flow of diesel fuel from the tank to the heater unit. Its pulse-controlled operation ensures consistent fuel delivery for efficient combustion and reliable heater operation.
Compatibility
- Compatible with Eberspacher Hydronic D5WS and D5WSC heater systems (24V)
- Designed for automotive, commercial, and heavy-duty heating applications
Suitable Heater Models
- 252009050000 - Hydronic D5WS 24V
- 252146050000 - Hydronic D5WS 24V
- 252147050000 - Hydronic D5WSC 24V
- 252218050000 - Hydronic D5WSC 24V
Genuine Product Guarantee
- Original Espar / Eberspacher OEM fuel metering pump
- Supplied by an authorised Eberspacher North American dealer
- Manufactured to factory specifications
- Ensures correct fuel metering and system performance
Specifications
- Voltage: 24V
- Fuel type: Diesel
- Application: Fuel metering pump
- Heater type: Hydronic water heaters
- Condition: New
Key Features
- Precise diesel fuel dosing for optimal combustion
- Designed for Hydronic D5WS and D5WSC systems
- Reliable performance in demanding environments
- Direct replacement for original equipment
- Also referred to as a fuel dosing pump
Common Symptoms of a Faulty Fuel Pump
- Heater fails to start or ignite
- No fuel reaching the heater unit
- Intermittent heater operation
- Poor coolant heating performance
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