When you're driving a Peterbilt 389, comfort matters just as much as power. Whether you're hauling through blazing summer heat or freezing winter winds, a reliable HVAC system keeps your cab livable and your focus sharp. This lineup of aftermarket Peterbilt 389 Heat & AC parts is built to deliver year-round comfort and performance.

Upgrade Your Pete 389 Truck HVAC System

From quick fixes to full replacements, we stock everything you need to repair or upgrade your HVAC system: - Cabin air filters to trap dust and debris - Heater cores for consistent winter warmth - AC compressors, condensers & evaporators for cold, steady air - Hoses, fittings, switches & valves to keep airflow moving efficiently - Blower motors to maintain strong cabin circulation Every component is engineered for a tight fit and long life in your Peterbilt 389.

Designed for Heavy Duty Trucks

These parts are built for the demands of commercial trucking—day in, day out: - Durable materials that withstand vibration, dust, and heat - Direct-fit design for quick, hassle-free installation - Trusted brands like BESTfit and other proven HVAC names You’ll maintain a comfortable Pete 389 interior space and reduce downtime with parts designed to last. A working heat and AC system isn't just a comfort feature—it’s a driver safety essential. Fogged windows, stale air, or a frozen cab can wear you down on long runs. Proper HVAC keeps you: - Cool in the summer, warm in the winter - Alert and focused for safer driving - Comfortable mile after mile

Start Upgrading Today

When your Peterbilt 389’s climate control system needs attention, don’t settle for less. If you're looking for a larger upgrade, consider enhancing your Peterbilt 389 engine cooling components. Explore our full line of heat & AC parts built for performance and durability.