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GMC GUN125-4B gas furnace Parts

Here are the diagrams and repair parts for GMC GUN125-4B gas furnace, as well as links to manuals and error code tables, if available.

GMC GUN125-4B gas furnace
By Schematic
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Browse Parts for GUN125-4B Gas Furnace

  • 5 Mfd 440/37 for GMC GUN125-4B - Part TRCF5

    Misc. electrical/hardware diagram

    Capacitor 5/

    Part #B9456-50

    Replaced by #TRCF5

    Info Icon
    Manufacturer substitution
    This part replaces B9456-50. Substitute parts can look different from the original.
    In Stock
    $29.15
    Minus Item
    Qty
    Plus Item
  • Transformer for GMC GUN125-4B - Part B11416-00

    Misc. electrical/hardware diagram

    Transformer

    Part #B11416-00

    The manufacturer no longer makes this part, and there's no substitute part

  • 1/6-1/2 Hp M for GMC GUN125-4B - Part 45460

    Blower assembly diagram

    Motor

    Part #B13400-09

    Replaced by #45460

    Info Icon
    Manufacturer substitution
    This part replaces B13400-09. Substitute parts can look different from the original.
    In Stock
    $280.82
    Minus Item
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  • Central Air Conditioner Air Handler Blower Wheel for GMC GUN125-4B - Part B1368016S

    Blower assembly diagram

    Blower Wheel

    Part #B13680-16

    Replaced by #B1368016S

    Info Icon
    Manufacturer substitution
    This part replaces B13680-16. Substitute parts can look different from the original.
    In Stock
    $235.99
    Minus Item
    Qty
    Plus Item
  • Furnace Inducer Vent Motor Assembly for GMC GUN125-4B - Part B1859001S

    Misc. electrical/hardware diagram

    Furnace Inducer Vent Motor Assembly

    Part #B1859001S
    In Stock
    $1598.95
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  • Exact Furn I for GMC GUN125-4B - Part IG412

    Gas train diagram

    Hot Surface

    Part #B14010-09

    Replaced by #IG412

    Info Icon
    Manufacturer substitution
    This part replaces B14010-09. Substitute parts can look different from the original.
    In Stock
    $29.09
    Minus Item
    Qty
    Plus Item
  • Motor Run Capacitor for GMC GUN125-4B - Part 12910

    Blower assembly diagram

    Capacitor 15

    Part #B9456-53

    Replaced by #12910

    Info Icon
    Manufacturer substitution
    This part replaces B9456-53. Substitute parts can look different from the original.
    In Stock
    $7.95
    11% OFF Phone Price : $8.95Info Icon
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    Qty
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  • Furnace Blower Fan Wheel for GMC GUN125-4B - Part D6723306S

    Blower assembly diagram

    Blower Wheel

    Part #B13680-47

    Replaced by #D6723306S

    Info Icon
    Manufacturer substitution
    This part replaces B13680-47. Substitute parts can look different from the original.
    In Stock
    $150.10
    7% OFF Phone Price : $162.10Info Icon
    Minus Item
    Qty
    Plus Item
  • Furnace Range Burner Orifice for GMC GUN125-4B - Part B1789342

    Gas train diagram

    Gas Orifice

    Part #B17893-42

    Replaced by #B1789342

    Info Icon
    Manufacturer substitution
    This part replaces B17893-42. Substitute parts can look different from the original.
    In Stock
    $32.30
    Minus Item
    Qty
    Plus Item
  • Heat Exchange for GMC GUN125-4B - Part 18212-30S

    Heat exchanger assembly diagram

    Heat Exchange

    Part #18212-30S

    The manufacturer no longer makes this part, and there's no substitute part

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