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GE
Electric Cooktop

Model # JP378B9K1 Official GE built-in cooktop

Here are the diagrams and repair parts for Official GE JP378B9K1 built-in cooktop, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 107 parts  |
Washer WB1X119

#312

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Washer

Part #WB1X119

Replaced by #WB1X119D

?
Manufacturer substitution
This part replaces WB1X119. Substitute parts can look different from the original.
This item is not returnable
$22.85 | 
18% OFF Phone Price : $27.85
In Stock
Terminal Housing WB17X5096

#33

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Terminal housing

Part #WB17X5096

$175.39 | 
5% OFF Phone Price : $185.39
In Stock
Screw WB1X5471

#NI

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Screw

Part #WB1X5471

This item is not returnable
$2.16
In Stock
Screw WB1X537

#459

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Screw

Part #WB1X537

$8.11
In Stock
Screw WB1X5763

#148

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Screw

Part #WB1X5763

Replaced by #WB1X536

?
Manufacturer substitution
This part replaces WB1X5763. Substitute parts can look different from the original.
$7.88 | 
11% OFF Phone Price : $8.88
In Stock
Screw WB1X500

#769

All parts diagram

Screw

Part #WB1X500

Replaced by #WB1X500D

?
Manufacturer substitution
This part replaces WB1X500. Substitute parts can look different from the original.
This item is not returnable
$8.50 | 
11% OFF Phone Price : $9.50
In Stock
Use And Care Guide 49-4831

#LITR

All parts diagram

Use and care guide

Part #49-4831

Replaced by #49-4999

?
Manufacturer substitution
This part replaces 49-4831. Substitute parts can look different from the original.
$8.49
In Stock
Case WB49X5411

#1233

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Case

Part #WB49X5411

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

Motor WB26X5087

#1258

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Motor

Part #WB26X5087

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

Cover Rear Case WB2X7832

#42

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Cover rear case

Part #WB2X7832

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

Most common symptoms to help you fix your cooktops

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Why isn't my cooktop working at all?

Main causes: lack of electrical power, gas supply failure, bad pressure regulator, control system failure…

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Repair guides for electric cooktops

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How to replace a coil surface element on an electric cooktop

How to replace a coil surface element on an electric cooktop

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

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Repair difficulty
Time required
 15 minutes or less
How to replace the glass top on an electric cooktop

How to replace the glass top on an electric cooktop

Don't use a cracked or damage glass cooktop—replace it, using these instructions to guide you.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a radiant element on an electric cooktop

How to replace a radiant element on an electric cooktop

Follow these step-by-step instructions to replace a damaged radiant element on your electric cooktop when the element wo…

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Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your cooktops

Use the advice and tips in these articles and videos to get the most out of your cooktop.

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Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

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How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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