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Whirlpool
Gas Range

Model # SF378PEWQ1 Official Whirlpool 30" gas range

Here are the diagrams and repair parts for Official Whirlpool SF378PEWQ1 30" gas range, 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”.

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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 172 parts  |
Surface Igniter 4363540
#35

Manifold diagram

Surface igniter

Part #4363540

Replaced by #WP3185804

?
Manufacturer substitution
This part replaces 4363540. Substitute parts can look different from the original.
This item is not returnable
$34.99 | 
15% OFF Phone Price : $40.99
In Stock
Insulation 786675
#16

Internal oven diagram

Insulation

Part #786675

Replaced by #WPW10208653

?
Manufacturer substitution
This part replaces 786675. Substitute parts can look different from the original.
$38.42 | 
14% OFF Phone Price : $44.42
In Stock
Insulation 786674
#14

Internal oven diagram

Insulation

Part #786674

Replaced by #WPW10208653

?
Manufacturer substitution
This part replaces 786674. Substitute parts can look different from the original.
$38.42 | 
14% OFF Phone Price : $44.42
In Stock
Insulation 786676
#17

Internal oven diagram

Insulation

Part #786676

Replaced by #WPW10208653

?
Manufacturer substitution
This part replaces 786676. Substitute parts can look different from the original.
$38.42 | 
14% OFF Phone Price : $44.42
In Stock
Light Socket 4320323
#29

Oven electrical diagram

Light socket

Part #4320323

Replaced by #WP74011278

?
Manufacturer substitution
This part replaces 4320323. Substitute parts can look different from the original.
$71.99 | 
8% OFF Phone Price : $77.99
In Stock
Shut-off Valve 4363534
#20

Manifold diagram

Shut-off valve

Part #4363534

$58.13
In Stock
Wiring Diagram LIT4363618

#NI

All parts diagram

Wiring diagram

Part #LIT4363618

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

Oven Igniter 4363426
#14

Oven electrical diagram

Oven igniter

Part #4363426

Replaced by #786324

?
Manufacturer substitution
This part replaces 4363426. Substitute parts can look different from the original.
$46.23 | 
11% OFF Phone Price : $52.23
In Stock
Screw 4320376
Screw

Part #4320376

Replaced by #WP486754

?
Manufacturer substitution
This part replaces 4320376. Substitute parts can look different from the original.
This item is not returnable
$4.33
In Stock
Screw 4315342
Screw

Part #4315342

Replaced by #WP965173

?
Manufacturer substitution
This part replaces 4315342. Substitute parts can look different from the original.
This item is not returnable
$5.85
In Stock

Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

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Why is my range's oven temperature wrong?

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner ignite…

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Why won't my range's oven heat?

Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner ig…

Read more

How do I get rid of streaks on my range's oven window?

Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleanin…

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Why isn't my range working?

Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure…

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Why doesn't my range's oven broiler work?

Main causes: broken broiler element, weak or broken broil burner igniter, control system failure, faulty temperature sen…

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Why won't my range's oven bake?

Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sen…

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Why can't I unlock my range's oven door?

Main causes: broken oven door lock assembly, wiring failure, electronic control board problem…

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Most common repair guides to help fix your ranges

These step-by-step repair guides will help you safely fix what’s broken on your range.

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How to replace a range oven door switch

How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it …

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Repair difficulty
Time required
 30 minutes or less
How to replace a range oven door lock assembly

How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your ranges

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

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How to clean and maintain your stove

How to clean and maintain your stove

Learn how to clean and maintain your stove to keep it in top shape.…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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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.…

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