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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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    Honeywell 121371B 3/4"Well Assembly 3/8"x 3"

    Honeywell

    MSRP: $52.68
    Now: $40.71
    Honeywell 121371B  3/4"Well Assembly 3/8"x 3"  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $52.68
    Now: $40.71
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    Utica-Dunkirk 14663001 24V 3.5" wc Nat Gas Valve

    Utica-Dunkirk

    MSRP: $661.57
    Now: $511.21
    Utica-Dunkirk 14663001   24V 3.5" wc Nat Gas Valve   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $661.57
    Now: $511.21
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    Nor East Controls # 30032685-196 o-ring

    Honeywell

    MSRP: $20.16
    Now: $15.28
    Nor East Controls # 30032685-196  o-ring   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $20.16
    Now: $15.28
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    MSRP: $20.16
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    Nordyne M0042501R Heat Exchanger

    Nordyne

    MSRP: $776.47
    Now: $600.00
    Nordyne M0042501R Heat Exchanger   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $776.47
    Now: $600.00
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    MSRP: $776.47
    Now: $600.00
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    York 025-32935-000 STAND OFF INSULATOR

    York

    MSRP: $186.15
    Now: $141.03
    York 025-32935-000 STAND OFF INSULATOR   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $186.15
    Now: $141.03
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    MSRP: $186.15
    Now: $141.03
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    MARS 12928 4 Microfarad 440Vac Oval Run Capacitor

    MARS

    MSRP: $3.76
    Now: $2.91
    MARS 12928 4 Microfarad 440Vac Oval Run Capacitor   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $3.76
    Now: $2.91
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    Marley Engineered Products 3301-2020-006 Thermostat Knob

    Marley Engineered Products

    MSRP: $16.37
    Now: $12.65
    Marley Engineered Products 3301-2020-006 Thermostat Knob   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $16.37
    Now: $12.65
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    Nordyne 904879 BLOWER WHEEL & HOUSING ASSY

    Nordyne

    MSRP: $1,358.23
    Now: $1,049.54
    Nordyne 904879 BLOWER WHEEL & HOUSING ASSY   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $1,358.23
    Now: $1,049.54
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    MSRP: $1,358.23
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    Carrier P291-1004 10 Microfarad 440Vac Oval Run Capacitor

    Carrier

    MSRP: $10.13
    Now: $7.83
    Carrier P291-1004 10 Microfarad 440Vac Oval Run Capacitor   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $10.13
    Now: $7.83
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    MSRP: $10.13
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    Carrier 323691-403 Blower Cutoff

    Carrier

    MSRP: $17.89
    Now: $13.55
    Blower Cutoff *Item is Non Cancelable / Non Returnable  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $17.89
    Now: $13.55
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    Bard HVAC 8604-091BX (replacement for 8604-091) HEAT STRIP 10KW 240V 4 TERM L

    Bard HVAC

    MSRP: $269.81
    Now: $208.49
    Bard HVAC 8604-091BX HEAT STRIP 10KW 240V 4 TERM L This is identical to 8604-091 FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts -...
    MSRP: $269.81
    Now: $208.49
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    York S1-024-40910-000 230v1ph 1/2hp 1090rpm CW Motor

    York - Source 1

    MSRP: $613.45
    Now: $474.03
    York S1-024-40910-000 230v1ph 1/2hp 1090rpm CW Motor   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $613.45
    Now: $474.03
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    MSRP: $613.45
    Now: $474.03
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    Lennox 99M80 Flue Cover

    Lennox

    MSRP: $103.31
    Now: $79.83
    Flue Cover   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $103.31
    Now: $79.83
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    MSRP: $103.31
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    York S1-024-35760-000 .67"WC SPNO Close On Fall # Sw

    York - Source 1

    MSRP: $60.80
    Now: $46.98
    York S1-024-35760-000 .67"WC SPNO Close On Fall # Sw   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $60.80
    Now: $46.98
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    MSRP: $60.80
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    York S1-6008085 (replacement for S1-024-32031-002) 1/3hp 460v 850rpm CCW Motor

    York - Source 1

    MSRP: $879.15
    Now: $679.35
    York S1-6008085 1/3hp 460v 850rpm CCW Motor This is the direct replacement for S1-024-32031-002 FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New...
    MSRP: $879.15
    Now: $679.35
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    MSRP: $879.15
    Now: $679.35
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    Rheem 47-100436-02 Control Board

    Rheem-Ruud

    MSRP: $61.53
    Now: $47.54
    Rheem 47-100436-02  Control Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $61.53
    Now: $47.54
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    MSRP: $61.53
    Now: $47.54
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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.