Stay comfortable in every season. When you're driving long hours, cabin comfort isn't a luxury—it's a must. Keep your Freightliner Columbia 112 or 120 running cool in the summer and warm in the winter with high-quality aftermarket heating and A/C parts built for heavy-duty performance.

Aftermarket Freightliner Columbia 112/120 Heating & A/C Parts

Whether you're troubleshooting weak airflow or replacing a worn-out A/C compressor, we've got the parts that keep your climate control system working like it should. Shop top replacement parts like: - HVAC blower motors for strong, steady airflow - Heater cores and evaporators to regulate cabin temps - A/C compressors, expansion valves & condensers - Control panels and temperature switches - Hoses, fittings, and blend doors that fit right the first time
Every part in this collection is designed for a perfect fit with Freightliner Columbia 112 and 120 models, so you don’t waste time on trial-and-error installs. With tough construction and reliable performance, these components keep you riding in comfort mile after mile.

Fix it fast. Stay cool. Or heat things up—on your terms.

Browse Freightliner Columbia 112/120 engine cooling parts alongside replacement HVAC parts now and keep your cab climate dialed in all year long.