Espar AS3-B2L 12V Airtronic Replacement Heater (Heater & FMP Only)

Espar AS3-B2L 12V Airtronic Gen 3 Replacement Heater

When your Espar Airtronic heater needs replacing, don't settle for anything less than a genuine OEM unit. This is the latest Generation 3 Espar AS3-B2L 12V air heater paired with its Fuel Metering Pump (FMP) — the two core components you need to get back up and running fast.

Designed as a direct replacement for compatible Airtronic B2L installations, this unit delivers the same reliable, fuel-efficient heat you expect from Espar. Perfect for RVs, vans, trucks, and other vehicles where dependable warmth is non-negotiable.

Note: This listing includes the heater unit and fuel metering pump only. Controller, wiring harness, ducting, and installation hardware are not included.

Key Specifications

• Model: Espar Airtronic AS3-B2L (Generation 3)
• Voltage: 12V
• Fuel Type: Diesel
• Country of Origin: Poland
• SKU: 20.2029.05.0000
• Weight: 10 lbs

What's Included

• Espar Airtronic AS3-B2L 12V Heater Unit
• Fuel Metering Pump (FMP)

If you need a complete installation kit with all accessories, browse our full Airtronic truck and van kits.