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
Thermador
Gas Cooktop

Model # SGC304RB Official Thermador gas steel burner cooktop

Here are the diagrams and repair parts for Official Thermador SGC304RB gas steel burner 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 49 parts  |
Nut 14-93-167
Nut

Part #14-93-167

Replaced by #00188978

?
Manufacturer substitution
This part replaces 14-93-167. Substitute parts can look different from the original.
$20.59 | 
23% OFF Phone Price : $26.59
Back Order
Plug 20-02-377
#10

Maintop component parts diagram

Plug

Part #20-02-377

Replaced by #00189324

?
Manufacturer substitution
This part replaces 20-02-377. Substitute parts can look different from the original.
$35.49 | 
14% OFF Phone Price : $41.49
In Stock
Grate Kit 15-11-039
#2

Maintop component parts diagram

Grate kit

Part #15-11-039

Replaced by #00413552

?
Manufacturer substitution
This part replaces 15-11-039. Substitute parts can look different from the original.
This item is not returnable
$27.49 | 
18% OFF Phone Price : $33.49
In Stock
Ring 20-02-042
#20

Maintop component parts diagram

Ring

Part #20-02-042

This item is not returnable
$3.99
Back Order
Module 20-09-166
#16

Component parts diagram

Module

Part #20-09-166

Replaced by #00753257

?
Manufacturer substitution
This part replaces 20-09-166. Substitute parts can look different from the original.
$179.68 | 
6% OFF Phone Price : $191.68
In Stock
O-ring 20-02-018-02
#7

Maintop component parts diagram

O-ring

Part #20-02-018-02

This item is not returnable
$4.52
In Stock
Cover 20-01-998-01
#7

Gas control valve detail diagram

Cover

Part #20-01-998-01

This item is not returnable
$3.49
In Stock
Burner Cap 20-02-020-04
#4

Maintop component parts diagram

Burner cap

Part #20-02-020-04

Replaced by #00189335

?
Manufacturer substitution
This part replaces 20-02-020-04. Substitute parts can look different from the original.
$121.02 | 
9% OFF Phone Price : $133.02
In Stock
Venturi 20-02-396
Venturi

Part #20-02-396

Replaced by #00189321

?
Manufacturer substitution
This part replaces 20-02-396. Substitute parts can look different from the original.
$46.44
In Stock
O-ring 20-02-018-01
#9

Maintop component parts diagram

O-ring

Part #20-02-018-01

Replaced by #00189317

?
Manufacturer substitution
This part replaces 20-02-018-01. Substitute parts can look different from the original.
This item is not returnable
$27.27 | 
18% OFF Phone Price : $33.27
In Stock

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 gas cooktops

View all
How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

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