Peterbilt 379 Heat & A/C Replacement Parts
When youâre driving a Peterbilt 379, you spend long hours behind the wheel. So staying cool in summer and warm in winter isnât a luxuryâitâs a must. Our lineup of Peterbilt 379 HVAC parts helps you maintain total climate control no matter what the weather or haul throws your way.
Whether you're replacing a worn-out
AC compressor and an
ac condenser, upgrading your HVAC control module, or tracking down a hard-to-find heater box, weâve got you covered.
Everything You Need for a Comfortable Cab
This product lineup includes dependable aftermarket solutions for the full Peterbilt 379 air conditioning system, including:
- Peterbilt 379 HVAC box replacements and rebuilds.
- Blower motors, heater cores, and AC lines.
- AC control panels and HVAC control modules for better in-cab function.
- Expansion valve parts, pressure switches, and threaded accumulators.
- Sleeper evaporators to keep your rest space just right.
- Heavy duty AC compressors designed for commercial long-haul durability.
Need parts for related models like the 357, 378, or 385? Weâve got cross-compatible HVAC components ready to ship.
Why Upgrade Your HVAC System?
- Restore cab comfort with consistent heating and cooling.
- Avoid breakdowns caused by worn-out compressors or clogged expansion valves.
- Save fuel by replacing inefficient blower motors or leaking AC lines.
- Extend the life of your sleeper unit with a properly working evaporator.
- Stay sharp and safe with clear windshield defrosting and controlled temps.
You work hardâand your truck should keep you comfortable while you do it.
Reliable Parts Online at 4 State Trucks
At 4 State Trucks, we make it simple to shop online for reliable HVAC parts that fit your Peterbilt 379. Use our filters to narrow your search, find the exact replacement part, and get back on the road faster. Every component we sell is road-tested, heavy-duty, and ready to handle the demands of commercial trucking.