Espar AM3-D4L 12V Airtronic Replacement Heater (Heater & FMP Only)
Espar AM3-D4L 12V Airtronic Replacement Heater (Heater & FMP Only) is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
Products ship in 1-2 business days.
Espar AM3-D4L 12V Airtronic Replacement Heater (Heater & FMP Only) is backordered and will ship as soon as it is back in stock.
Espar / Eberspaecher AM3-D4L 12V Airtronic Diesel Air Heater — Heater & FMP
Replace your failed, worn, or 2nd generation Airtronic unit with this genuine Espar / Eberspaecher AM3-D4L OEM diesel air heater. Delivering 4 kW of consistent, fuel-efficient heat, this 3rd generation Airtronic is purpose-built for demanding marine, RV, truck cab, and heavy equipment environments where reliable cold-weather performance is non-negotiable.
- Output: 4 kW (13,600 BTU/hr)
- Voltage: 12V DC
- Fuel: Diesel
- Generation: 3rd generation Airtronic (AM3)
- Automatic Altitude Compensation: Up to 18,000 feet
- Gen 2 Drop-In Compatible: Same footprint, wiring harness, and connections as the 2nd generation Airtronic — no modifications required
- Includes: Replacement heater unit and fuel metering pump (FMP) — heater and FMP only, no additional harnesses or controllers
- OEM quality: Genuine Espar / Eberspaecher part — SKU 25.2955.05.0000
- Warranty: 2 years or 2,000 hours, whichever comes first
Note: This listing includes the heater and fuel metering pump only. Wiring harnesses, controllers, and installation kits are sold separately.
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