Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Please enter one or more characters
Scan Icon
Tips to find your model number
Water filters
Water filter finder tool
DIY help
Featured products
Top brands
View all parts by brand
Top products and services
Products by brand
Orders
Customer Service
Schedule a repair

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
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for GUN125-4B Gas Furnace

  • 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
  • 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
  • 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
  • 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
    Minus Item
    Qty
    Plus Item
  • Furnace Blower Fan Motor Housing for GMC GUN125-4B - Part 0271A00016S

    Blower assembly diagram

    Blower Shell

    Part #18393-00

    Replaced by #0271A00016S

    Info Icon
    Manufacturer substitution
    This part replaces 18393-00. Substitute parts can look different from the original.
    In Stock
    $136.57
    8% OFF Phone Price : $148.57Info Icon
    Minus Item
    Qty
    Plus Item
  • Gas Burner for GMC GUN125-4B - Part B18225-00

    Gas train diagram

    Gas Burner

    Part #B18225-00

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

  • Burner Assembly for GMC GUN125-4B - Part B18225-11

    Gas train diagram

    Burner Assembly

    Part #B18225-11

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

  • Control Acce for GMC GUN125-4B - Part 18813-11P

    Casing diagram

    Control Acce

    Part #18813-11P

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

  • Door Switch for GMC GUN125-4B - Part B13708-18

    Misc. electrical/hardware diagram

    Door Switch

    Part #B13708-18

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

  • Manifold, 3 for GMC GUN125-4B - Part B18264-17

    Gas train diagram

    Manifold, 3

    Part #B18264-17

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

Symptoms for electric ranges

Why doesn't my electric range's surface element heat properly?

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Read more

Should I replace a damaged glass cooktop?

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Read more

Repair guides for electric ranges

How to replace an oven temperature sensor on an electric range

How to replace an oven temperature sensor on an electric range

These step-by-step instructions guide you through replacing an oven temperature sensing probe.…

Read more

Repair time and Difficulty

 15 minutes or less
How to replace an electric range oven control board

How to replace an electric range oven control board

If the electronic oven control board isn't powering the bake and broil functions, you can replace it in less than half a…

Read more

Repair time and Difficulty

 15 minutes or less
How to replace a range surface element control switch

How to replace a range surface element control switch

The surface element control switch lets you turn the stovetop elements on and off, and to set the heat level. These step…

Read more

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your furnaces

View all
How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Read more
2023 HVAC regulation changes and how they may affect you

2023 HVAC regulation changes and how they may affect you

Find out how new DOE standards going into effect in 2023 can affect you and what you need to do.…

Read more
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Read more

Parts & More

Parts
Blower Wheel 134-2513-01Handle 749-04693A-0637Home Electronics Coil 146005311Air Grid 00604148Home Electronics Flywheel YASFX013005Camshaft 209-32201-11Cabinet X25141021Label (trade 224-91635-03Lead Connector BN39-00441BC-film,mpp 2301-001251Link-mechan 797233Shrtblk St UP00739Home Electronics Knob 23874870Bkt,backing, 191337Home Electronics Shield 126-02715-01Home Electronics Holder YEFK04129Home Electronics Capacitor 022-07433HANDLE LATC 73-837Passive Woof TCG35228607PANEL- W/CON 52420100