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Furnace & HVAC Replacement Parts

Furnace & HVAC Replacement Parts

Shop the full range of furnace and HVAC replacement parts at Furnace Part Source, covering heating, cooling, and control components for residential, commercial, and industrial equipment. Browse by category or search by exact part number to find the right replacement fast.

Use the category filters below to narrow results by part type, including actuators, assemblies, blower motors, burners, capacitors, control boards, coils, contactors, dampers, drain pans, heating elements, flame sensors, ignitors, motors, switches, transformers, and wiring.

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    Trane CNT5033 Complete Control Assembly

    Trane

    MSRP: $697.57
    Now: $528.46
    Trane CNT5033 Complete Control Assembly  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $697.57
    Now: $528.46
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    MSRP: $697.57
    Now: $528.46
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    Trane BRD3827 CONTROL CIRCUIT BOARD

    Trane

    MSRP: $1,601.87
    Now: $1,237.81
    Trane BRD3827 CONTROL CIRCUIT BOARD  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,601.87
    Now: $1,237.81
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    MSRP: $1,601.87
    Now: $1,237.81
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    Trane BAYBCIR001A BACNET COMMUNICATION INTERFACE

    Trane

    MSRP: $654.88
    Now: $506.05
    Trane BAYBCIR001A BACNET COMMUNICATION INTERFACE   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $654.88
    Now: $506.05
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    MSRP: $654.88
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    Trane ACT0482 24VAC/DC 45InLb NSR Damper Act

    Trane

    MSRP: $443.16
    Now: $335.73
    Trane ACT0482 24VAC/DC 45InLb NSR Damper Act   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $443.16
    Now: $335.73
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    MSRP: $443.16
    Now: $335.73
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    Trane 4AYTXVH3G2436A 3ton R410A TXV

    Trane

    MSRP: $200.56
    Now: $154.98
    Trane 4AYTXVH3G2436A 3ton R410A TXV  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $200.56
    Now: $154.98
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    MSRP: $200.56
    Now: $154.98
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    Trane WIR4853 4 PIN WIRE HARNESS

    Trane

    MSRP: $338.55
    Now: $261.60
    Trane WIR4853 4 PIN WIRE HARNESS  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $338.55
    Now: $261.60
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    MSRP: $338.55
    Now: $261.60
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    Trane VAL9891 48/44# R-22 3Ton TXV

    Trane

    MSRP: $665.20
    Now: $514.02
    Trane VAL9891 48/44# R-22 3Ton TXV  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $665.20
    Now: $514.02
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    MSRP: $665.20
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    Trane VAL9600 3/8x1/2 R410A 6Ton TXV

    Trane

    MSRP: $159.79
    Now: $123.47
    Trane VAL9600 3/8x1/2 R410A 6Ton TXV  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $159.79
    Now: $123.47
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    MSRP: $159.79
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    Trane VAL9575 1/2x5/8 R410A 8Ton TXV; 60"Cap

    Trane

    MSRP: $330.40
    Now: $255.31
    Trane VAL9575 1/2x5/8 R410A 8Ton TXV; 60"Cap  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $330.40
    Now: $255.31
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    MSRP: $330.40
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    Trane VAL7347 3/8"x1/2" 3-Ton R410S TXV Vlv

    Trane

    MSRP: $315.91
    Now: $244.11
    Trane VAL7347 3/8"x1/2" 3-Ton R410S TXV Vlv  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $315.91
    Now: $244.11
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    MSRP: $315.91
    Now: $244.11
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    Trane VAL7178 1/2"SW 2W 35# 24V Fltg NSR

    Trane

    MSRP: $315.51
    Now: $239.03
    Trane VAL7178 1/2"SW 2W 35# 24V Fltg NSR  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $315.51
    Now: $239.03
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    MSRP: $315.51
    Now: $239.03
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    Trane VAL6472 3/4"UnSwt 3w 4.6cv W/24v Act

    Trane

    MSRP: $1,202.27
    Now: $910.81
    Trane VAL6472 3/4"UnSwt 3w 4.6cv W/24v Act  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $1,202.27
    Now: $910.81
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    MSRP: $1,202.27
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    Trane VAL4359 SOLENOID VALVE, 24VDC

    Trane

    MSRP: $756.67
    Now: $584.70
    Trane VAL4359 SOLENOID VALVE, 24VDC  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $756.67
    Now: $584.70
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    MSRP: $756.67
    Now: $584.70
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Furnace & HVAC Replacement Parts

This is the master category for every furnace and HVAC replacement part carried by Furnace Part Source, spanning heating, cooling, and control components across residential, commercial, and industrial equipment. Whether you're troubleshooting a specific failure or stocking parts for a service route, this category is the starting point for locating what you need.

Because this catalog spans thousands of individual parts across dozens of subcategories, the fastest way to find what you need is to search by exact OEM part number or browse into a specific subcategory, such as motors, blowers, ignitors, or control boards.

Major Subcategories

This category includes dedicated subcategories for:

  • Motors and blowers, including main blower motors, inducer motors, and blower assemblies.
  • Ignition components, including hot surface ignitors, pilot burners, and flame sensors.
  • Controls, including control boards, ignition modules, relays, and switches.
  • Electrical components, including capacitors, contactors, transformers, and circuit breakers.
  • Structural and mechanical parts, including housings, brackets, bearings, and pulleys.
  • Combustion and venting parts, including burners, gas valves, heat exchangers, and vent dampers.

How to Find the Right Part

Before ordering, check the equipment data plate and the existing part for the model number, serial number, and part number. Because this category covers such a wide range of equipment types and brands, matching by exact part number is the most reliable way to confirm compatibility.

For best fit, compare:

  • Original part number
  • Equipment model and serial number
  • Voltage, fuel type, and system type
  • Replacement or superseded part number, if applicable

Furnace & HVAC Parts From Leading Brands

Our catalog includes replacement parts from Carrier, Trane, York, Lennox, Rheem-Ruud, Amana-Goodman, Copeland, Honeywell, and hundreds of other HVAC, refrigeration, and combustion equipment manufacturers, covering both OEM and cross-reference replacement parts.

Need Help Finding a Part?

Not sure which subcategory to search, or which part you need? Use the model number, serial number, and existing part number from your equipment, or contact Furnace Part Source for help identifying the correct replacement.

Furnace & HVAC Replacement Parts FAQs

How do I find a specific part quickly in this category?

The fastest way is to search by the exact OEM part number printed on the existing component, or to browse into a more specific subcategory, such as motors, ignitors, or control boards.

Do you carry parts for both residential and commercial equipment?

Yes. This category includes parts for residential furnaces and air handlers as well as light-commercial and industrial heating, cooling, and combustion equipment.

What if I don't know the exact part number I need?

Use the equipment model number and serial number to help narrow the search, or contact Furnace Part Source for assistance identifying the correct replacement part.

Are replacement parts here new or used?

Furnace Part Source carries brand-new replacement parts, including OEM and compatible cross-reference components, unless a listing specifically states otherwise.