Eberspaecher Hydronic S3-D6L 24V

Espar/Eberspaecher Hydronic S3-D6L 6kW Replacement Heater — 24V (Heater & Fuel Metering Pump)

The Hydronic S3-D6L is Eberspaecher’s 6kW diesel coolant heater, engineered for heavy-duty 24V applications including trucks, buses, coaches, and large marine vessels. This listing covers the replacement heater and fuel metering pump (FMP) only — the direct-fit solution for restoring full heating capacity without replacing the entire system.

Key Specifications

• Model: Hydronic S3-D6L
• Output: 6kW
• Voltage: 24V
• Part number: 25.2972.05.0000
• Fuel: Diesel

Typical Applications

• Heavy-duty trucks and commercial vehicles
• Buses and coaches
• Large marine vessels
• Construction and agricultural equipment

What’s Included

• 1× Eberspaecher Hydronic S3-D6L replacement heater
• 1× Fuel metering pump (FMP)

What’s Not Included

• Wiring harness
• Heater hood
• Controller / timer
• Coolant hoses and fittings
• Mounting hardware
• Fuel line
• Circulation pump

Verify your existing heater part number and voltage before ordering to ensure compatibility.