HVAC Parts
Reliable A/C compressors, condensers, heater cores, and climate control components. Guaranteed fitment to restore your cabin comfort year-round.
Common Signs You Need New HVAC
Watch for these warning signs that indicate your hvac components may need replacement.
A/C Blowing Warm Air
When your air conditioning stops cooling, the most common causes are low refrigerant from a leak, a failing A/C compressor, a clogged expansion valve, or a condenser that cannot dissipate heat.
Weak Airflow From Vents
Reduced airflow from your climate system typically results from a clogged cabin air filter, a failing blower motor, or a stuck blend door actuator that restricts air passage through the ducts.
Strange Odors From Vents
Musty or foul smells when the A/C or heat runs usually indicate mold or bacteria growth on the evaporator core, or a cabin air filter that is overdue for replacement.
A/C Compressor Cycling On and Off
Rapid compressor cycling can signal low refrigerant charge, a faulty pressure switch, an electrical issue with the compressor clutch, or a restriction in the system.
No Heat in Winter
Loss of cabin heat is often caused by a stuck-open thermostat, low coolant level, a plugged heater core, or a blend door actuator that fails to direct air through the heater core.
Brands We Carry
We stock hvac parts from the industry's most trusted manufacturers.
Popular HVAC Parts
Browse the most requested hvac parts we supply. Call for pricing and availability.
Your vehicle's HVAC system is responsible for keeping you comfortable in extreme heat and bitter cold alike. The air conditioning side uses a closed refrigerant loop with a compressor, condenser, evaporator, and expansion device to cool and dehumidify cabin air, while the heating side routes hot engine coolant through a heater core to warm the interior. Blend door actuators and the blower motor control airflow temperature and volume through the duct system.
A/C compressors are one of the most commonly replaced HVAC components, and failure often occurs after 100,000 to 150,000 miles of use. When a compressor fails, metallic debris can contaminate the entire system, making it critical to also replace the receiver drier or accumulator and flush the lines during the repair. Condensers, which sit in front of the radiator, are prone to damage from road debris and corrosion, causing refrigerant leaks and reduced cooling capacity. On the heating side, heater cores can develop leaks that cause fogging windshields and a sweet coolant smell inside the cabin.
Rocks Auto supplies HVAC components from leading brands like Denso, Four Seasons, Sanden, and UAC. A/C parts are especially sensitive to correct fitment because refrigerant type, oil charge, compressor displacement, and connector styles vary across vehicles. Our specialists match every component to your exact vehicle configuration so the system operates at peak efficiency. Call our team for fast, accurate HVAC parts with guaranteed fitment for your car or truck.
How to Order
Getting the right hvac parts for your vehicle is simple.
1. Find Your Vehicle
Use our vehicle lookup tool to select your year, make, model, and engine so we can verify exact fitment.
2. Call Us to Order
Call +1 (888) 381-6887 to speak with a fitment specialist who will confirm your parts and place your order.
3. Fast Delivery
Your parts ship quickly from our network of warehouses, with tracking provided so you know exactly when to expect delivery.
Ready to Order HVAC Parts?
Our fitment experts are standing by to help you find the exact hvac parts for your vehicle. Call now for pricing, availability, and guaranteed fitment.
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