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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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    Lochinvar & A.O. Smith 100208622 Flame Sensor Cable

    Lochinvar & A.O. Smith

    MSRP: $47.47
    Now: $36.68
    Lochinvar & A.O. Smith 100208622 Flame Sensor Cable   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $47.47
    Now: $36.68
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    Lochinvar & A.O. Smith 100208620 Spark Electrode Harness Kit

    Lochinvar & A.O. Smith

    MSRP: $34.47
    Now: $26.63
    Lochinvar & A.O. Smith 100208620 Spark Electrode Harness Kit   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $34.47
    Now: $26.63
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    Lochinvar & A.O. Smith 100208061 BAFFLE INSULATION

    Lochinvar & A.O. Smith

    MSRP: $55.80
    Now: $43.12
    Lochinvar & A.O. Smith 100208061 BAFFLE INSULATION FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $55.80
    Now: $43.12
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    Lochinvar & A.O. Smith 100208060 INSULATION FOR DOOR

    Lochinvar & A.O. Smith

    MSRP: $63.76
    Now: $49.27
    Lochinvar & A.O. Smith 100208060 INSULATION FOR DOOR FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $63.76
    Now: $49.27
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    Lochinvar & A.O. Smith 100208762 Sight Glass Gasket

    Lochinvar & A.O. Smith

    MSRP: $29.47
    Now: $22.77
    Lochinvar & A.O. Smith 100208762 Sight Glass Gasket   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $29.47
    Now: $22.77
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    Lochinvar & A.O. Smith 100163249 KIT, SIGHT GLASS

    Lochinvar & A.O. Smith

    MSRP: $191.25
    Now: $147.79
    Lochinvar & A.O. Smith 100163249 KIT, SIGHT GLASS   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $191.25
    Now: $147.79
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    Lochinvar & A.O. Smith 100135310 BURNER ASSY

    Lochinvar & A.O. Smith

    MSRP: $890.75
    Now: $688.31
    Lochinvar & A.O. Smith 100135310 BURNER ASSY   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $890.75
    Now: $688.31
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    Lochinvar & A.O. Smith 100165929 Ignitor W/Gasket

    Lochinvar & A.O. Smith

    MSRP: $66.53
    Now: $51.41
    Lochinvar & A.O. Smith 100165929 Ignitor W/Gasket      FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $66.53
    Now: $51.41
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    Lochinvar & A.O. Smith 100165930 Flame Sensor w/ Gasket

    Lochinvar & A.O. Smith

    MSRP: $37.65
    Now: $29.10
    Lochinvar & A.O. Smith 100165930 Flame Sensor w/ Gasket   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $37.65
    Now: $29.10
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    Siemens Industrial Controls 75D70131A 120/240V Coil Kit

    Siemens Industrial Controls

    MSRP: $296.98
    Now: $229.49
    Siemens Industrial Controls 75D70131A 120/240V Coil Kit   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $296.98
    Now: $229.49
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    Siemens Industrial Controls 75D70131J 24VAC REPLACEMENT COIL

    Siemens Industrial Controls

    MSRP: $571.59
    Now: $433.03
    Siemens Industrial Controls 75D70131J 24VAC REPLACEMENT COIL   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $571.59
    Now: $433.03
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    York 025-37852-002 120V 140W Crankcase Heater

    York

    MSRP: $270.14
    Now: $204.65
    York 025-37852-002 120V 140W Crankcase Heater   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $270.14
    Now: $204.65
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    Heatcraft Refrigeration 7077106 Heater 57in 230V 500Watt

    Heatcraft Refrigeration

    MSRP: $262.05
    Now: $198.53
    Heatcraft Refrigeration 7077106 Heater 57in 230V 500Watt   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $262.05
    Now: $198.53
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    MSRP: $262.05
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    Nordyne 903458 Piezo Ignitor

    Nordyne

    MSRP: $132.36
    Now: $102.28
    Nordyne 903458 Piezo Ignitor   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements
    MSRP: $132.36
    Now: $102.28
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    MSRP: $132.36
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    International Comfort Products 1186936 MOTOR INDUCED DRAFT

    International Comfort Products

    MSRP: $728.23
    Now: $562.72
    International Comfort Products 1186936 MOTOR INDUCED DRAFT   If out of stock, call or text 1.866.620.8417 for possible cross reference  
    MSRP: $728.23
    Now: $562.72
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    MSRP: $728.23
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    Xylem-Hoffman Specialty DP0828 DIFFUSER

    Xylem-Hoffman Specialty

    MSRP: $666.02
    Now: $504.56
    Xylem-Hoffman Specialty DP0828 DIFFUSER   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $666.02
    Now: $504.56
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    MSRP: $666.02
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    Xylem-Hoffman Specialty DP0716 PROPELLER STEM

    Xylem-Hoffman Specialty

    MSRP: $326.73
    Now: $247.53
    Xylem-Hoffman Specialty DA0361 Alternator For Watchman WCD   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $326.73
    Now: $247.53
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    MSRP: $326.73
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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.