It's easy to keep your cab comfy with top-quality heat and AC parts for your Peterbilt 359. From blower motors and evaporators to heater cores and control housings, these replacements are built for a perfect fit and long-lasting reliability. Driving a Peterbilt 359 means power, style, and classic long-haul reliability. But when your heating or AC system isn’t up to par, the ride can get uncomfortable fast.

Replacement AC & Heat Components

That’s where our aftermarket Peterbilt 359 Heat & AC parts come in. Whether you’re running through summer heat or winter chill, you need a dependable HVAC system to keep your cab comfortable and your windshield clear.

Find Perfect Replacement Components

We carry high-quality components designed specifically for your 359: - Blower motors for strong airflow - Evaporators and condensers to keep cool air flowing - Heater cores that deliver steady cabin warmth - AC switches, expansion valves & control panels to fine-tune your climte - Fittings, hoses & brackets for complete installs or repairs
These parts are engineered to match OEM specs, so installation is simple and performance is reliable.

Why Upgrade Your Semi Truck HVAC System?

Worn-out components lead to poor airflow, weak cooling, or a frosty cab in the winter. Swapping in new aftermarket parts can help: - Restore proper air circulation - Eliminate strange noises or inconsistent temps - Improve defrost and window clarity - Make long hauls more bearable in any season
Plus, new parts help extend the life of your entire HVAC system—saving you downtime and money in the long run. Whether you're doing a full HVAC rebuild or just replacing a failed part, our Peterbilt 359 Heat & AC lineup has what you need to stay comfortable and focused behind the wheel.

Comfort That Works as Hard as You Do

Shop now and keep your 359 cab climate just the way you like it—cool in the summer, warm in the winter, and dependable all year long. Take things a bit further by upgrading your Peterbilt 359 interior dashboard to look good and replacing any of your worn-out engine cooling components for stronger performance.