Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Whirlpool
Electric Cooktop

Model # RC8640XBB1 Official Whirlpool 30" electric built-in cooktop

Here are the diagrams and repair parts for Official Whirlpool RC8640XBB1 30" electric built-in cooktop, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

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

Search
ALL PARTS
Showing 10 of 54 parts  |
Polish 3184478

#NI

All parts diagram

Polish

Part #3184478

Replaced by #W10355051

?
Manufacturer substitution
This part replaces 3184478. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable

Get free shipping with Automatic Reorder

$10.89 | 
16% OFF Phone Price : $12.89
In Stock
Infinite Switch 3188516
Infinite switch

Part #3188516

Replaced by #8203534

?
Manufacturer substitution
This part replaces 3188516. Substitute parts can look different from the original.
$91.19 | 
6% OFF Phone Price : $97.19
In Stock
Cooktop Element Control Switch Seal 3183956
#8

Cooktop diagram

Cooktop element control switch seal

Part #3183956

This item is not returnable
$31.09 | 
16% OFF Phone Price : $37.09
In Stock
Cooking Appliance 14-gauge Splicing Wire, 200-degree C (red) 242831

#NI

All parts diagram

Cooking appliance 14-gauge splicing wire, 200-degree c (red)

Part #242831

$318.95
In Stock
Surface Element 3187188
#5D

Cooktop diagram

Surface element

Part #3187188

Replaced by #W10823694

?
Manufacturer substitution
This part replaces 3187188. Substitute parts can look different from the original.
$168.65 | 
7% OFF Phone Price : $180.65
In Stock
Screw 246119
#6A

Cooktop diagram

Screw

Part #246119

Replaced by #WP486754

?
Manufacturer substitution
This part replaces 246119. Substitute parts can look different from the original.
This item is not returnable
$4.33
In Stock
Cktop-q 3187116
#2B

Cooktop diagram

Cktop-q

Part #3187116

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

Wire (black) 242828

#NI

All parts diagram

Wire (black)

Part #242828

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

Cooktop Trim 3187745
#1B

Cooktop diagram

Cooktop trim

Part #3187745

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

Grommet 3188533
#18

Cooktop diagram

Grommet

Part #3188533

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

Most common symptoms to help you fix your cooktops

Choose a symptom to see related cooktop repairs.

View all

Why isn't my cooktop working at all?

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

Read more

Repair guides for electric cooktops

View all
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.…

Read more
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.…

Read more
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…

Read more
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.

View all
5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

Read more
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.…

Read more
Cooktop common questions

Cooktop common questions

These common questions can help you make the most of your cooktop.…

Read more

Parts & More