Espar AS3-D2L Commercial Truck Kit

Espar Airtronic AS3-D2L 12V Diesel Air Heater – Commercial Truck Kit

Stop idling. Start saving. The Espar Airtronic AS3-D2L is the latest-generation diesel cab heater built for professional truck drivers who demand reliable warmth, quiet operation, and real fuel savings — night after night, mile after mile.

With built-in altitude compensation up to 4,000m (13,000 ft), this heater performs at elevation without any additional modules. From flatlands to mountain passes, you're covered.

This complete Truck Kit includes the EasyStart Pro Controller and a Vent-Style fuel pickup tube for straightforward tank installation — everything you need, nothing you don't.

Key Specifications

• Fuel Type: Diesel
• Voltage: 12V
• Max Heat Output: 2.2 kW / 7,500 BTU
• Altitude Compensation: Up to 4,000m / 13,000 ft (built-in, no extra module needed)
• Controller: EasyStart Pro (included)
• Noise Level: Whisper-quiet operation

What's Included

• Eberspacher Airtronic S3 D2L 12V Heater Unit
• Fuel Metering Pump
• EasyStart Pro Controller
• Fuel Line & Clamps
• Fuel Pickup Pipe (Vent Style)
• Wire Harnesses
• Stainless Steel Exhaust Pipe
• Combustion Intake Pipe
• Flexible Ducting – 0.5 meter
• Outlet Grill
• Air Outlet Hood (90mm straight)
• Mounting Plate with Seals & Screws
• Screws, Clips & Plastic Straps
• Installation Manual
• Warranty Documentation

Why Drivers Choose the AS3-D2L

• ✔ Eliminate overnight idling — reduce fuel costs and engine wear
• ✔ Heats your cab fast, even in extreme cold
• ✔ Compact, lightweight design fits most commercial truck installations
• ✔ Backed by Eberspaecher's global engineering reputation
• ✔ Complete kit — just add your truck