Shop Peterbilt 379 AC Compressors & Drier Replacements
Restore maximum cooling power to your cab with our heavy-duty AC compressors and receiver driers for the Peterbilt 379.
Whether you are performing a routine service or a full system overhaul, our aftermarket components are engineered to meet or exceed OEM specifications for fitment, displacement, and durability.
Select the right AC components for your 379 setup:
- Sanden & York-Style Compressors: Direct-replacement units available in multiple port configurations (vertical/horizontal) and clutch groove styles.
- High-Capacity Receiver Driers: Essential moisture-absorption units designed to protect your expansion valve and evaporator from internal corrosion.
- Compressor Clutch Assemblies: Heavy-duty electromagnetic clutches available in 12V configurations with specific pulley diameters for your belt alignment.
- Mounting Brackets & Hardware: Precision-engineered kits to ensure vibration-free installation on CAT, Cummins, and Detroit engine platforms.
Professional-Grade Cooling for Owner-Operators & Fleets
Don't settle for "universal" fits that fail under the vibration of a Class 8 truck. Our BESTfitÂŽ AC components are tested for long-haul reliability and high-ambient temperature performance.
- OEM Cross-Reference Support: Our inventory includes replacements for major Paccar and Sanden part numbers to ensure a "first-time" fit.
- System Protection: Replacing your
Peterbilt 379 AC condenser alongside a new compressor is a great way to protect and preserve your setup.
- Reduced Engine Drag: High-efficiency internal pistons reduce the horsepower load on your engine, helping maintain fuel economy even when the AC is at max blast.
- Rapid Shipping: We stock a full range of serpentine belts, AC lines,
CAC replacements, and
CAC Hoses to get your truck out of the shop and back on the road.