Heater and A/C HVAC Parts

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HVAC Blower for Excavators - Replacement for Bobcat 46979469 - PartsOnline
Bobcat HVAC Blower for Excavators - Replacement for Bobcat 46979469
Sale price$364.64 Regular price$428.99
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Heater Vent - Replacement for Bobcat 6674231 - PartsOnline
Bobcat Heater Vent - Replacement for Bobcat 6674231
Sale price$35.49 Regular price$45.49
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Switch - Replacement for Bobcat 6675176 - PartsOnline
Bobcat Switch - Replacement for Bobcat 6675176
Sale price$37.65 Regular price$48.99
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Hvac Potentiometer - Replacement for Bobcat 7244206 - PartsOnline
Bobcat Hvac Potentiometer - Replacement for Bobcat 7244206
Sale price$65.11 Regular price$78.99
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Primary Air Filter - Replacement for Yale 901515400 - PartsOnline
Bobcat HVAC Blower for Excavators - Replaces Bobcat 46979470
Sale price$629.99 Regular price$635.99
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A/C Compressor Belt - Replacement for Bobcat 7503864 - PartsOnline
Bobcat A/C Compressor Belt - Replacement for Bobcat 7503864
Sale price$20.81 Regular price$24.49
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Evaporator Thermostat - Replacement for Bobcat 7322689 - PartsOnline
Bobcat Evaporator Thermostat - Replacement for Bobcat 7322689
Sale price$243.09 Regular price$285.99
Blower Assembly - Replacement for Bobcat 7349537 - PartsOnline
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Control Module for Excavators - Replaces Bobcat 7349563 - PartsOnline
Bobcat Control Module for Excavators - Replaces Bobcat 7349563
Sale price$389.01 Regular price$394.49
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Cab Heater Motor - Replacement for Bobcat 6675509 - PartsOnline
Bobcat Cab Heater Motor - Replacement for Bobcat 6675509
Sale price$232.11 Regular price$283.99
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Resistor - Replacement for Bobcat 7021380 - PartsOnline
Bobcat Resistor - Replacement for Bobcat 7021380
Sale price$97.72 Regular price$114.99
Cab Heater Blower (12V) - Replacement for John Deere 73R4062 - PartsOnline
Heater Core - Replacement for Sellick 181132 - PartsOnline
Evaporator - Replacement for Ammann 1230589 - PartsOnline
Heater Thermostat - Replacement for JCB 331/14049 - PartsOnline
Heater Blower - Replacement for JCB 30/925975 - PartsOnline
Discharge A/C Hose Assembly - Replaces Doosan 420102-00748 - PartsOnline
Suction A/C Hose Assembly - Replaces Doosan 420102-00747 - PartsOnline
Engine Block Heater Kit (Deutz) - Replaces Clark 936592 - PartsOnline
Heater Air Vent - Replacement for Clark 8087791 - PartsOnline
Air Distributor - Replacement for Linde 3535841702 - PartsOnline
Evaporator Coil (39X-02) - Replacement for Linde 173946 - PartsOnline
Air Distributor - Replacement for Linde 3535841701 - PartsOnline
Heater Air Nozzle - Replacement for Linde L3525841700 - PartsOnline
Evaporator - Replacement for Linde L0009822600 - PartsOnline
Blower Resistor - Replacement for Develon 545-00003 - PartsOnline
Heater Core - Replacement for Develon 300802-00039 - PartsOnline
Air Conditioner Control Panel - Replaces Develon 300611-00825C - PartsOnline
Air Compressor Assembly - Replacement for Develon 2208-6012B - PartsOnline
Round Vent Nozzle - Replacement for Develon 430218-00046 - PartsOnline
Round Vent Nozzle - Replacement for Develon 430218-00474E - PartsOnline
Large Vent Nozzle - Replacement for Develon K1006042 - PartsOnline
Blower Speed Controller - Replaces Develon 300611-02331 - PartsOnline
Blower Resistor - Replacement for Develon 300645-00006 - PartsOnline
Evaporator Core Assembly - Replaces Develon 300802-00051 - PartsOnline
Air Conditioner Control Panel - Replaces Develon 300611-00825A - PartsOnline

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HVAC Part Fitment and Compatibility

Cab climate parts are specific to the cab rather than to the machine model, because an enclosed heated cab and an enclosed air conditioned cab use different components behind the same trim panel. Common replacements include the HVAC blowers for excavators replacing OEM 46979469 and 46979470, the blower assembly replacing OEM 7349537, the cab heater motor replacing OEM 6675509, the blower resistor replacing OEM 7021380, the HVAC potentiometer replacing OEM 7244206, the evaporator thermostat replacing OEM 7322689, the A/C compressor belt replacing OEM 7503864, the A/C bracket replacing OEM 7164564, the heater vent replacing OEM 6674231, and the louver replacing OEM 6660885.

One symptom is worth knowing before you order anything. If the fan runs on its highest speed and nothing else, the fault is almost always the blower resistor rather than the blower motor. The resistor drops voltage to produce the lower speeds and the top speed bypasses it entirely, so the one speed that still works is the only one that does not depend on it.

Types of Replacement HVAC Parts

Blower motors and assemblies move the air. A blower that squeals, hums, or draws more current than it used to is on its way out, and a plugged cab filter shortens its life by making it work against a restriction every hour it runs.

Controls cover resistors, potentiometers, and switches, and they fail far more often than the motors they control. Air conditioning components cover evaporator thermostats, which cycle the compressor to stop the evaporator icing over, along with compressor belts and mounting brackets. Air distribution covers vents, louvers, and ducting, which are usually replaced for breakage rather than wear.

Before concluding that an air conditioning system is low on refrigerant, check the cab filter and the condenser face. Restricted airflow produces weak, barely cool output that imitates a refrigerant problem closely enough to send people down the wrong path.