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Thermador
Side-By-Side Refrigerator

Model # KBUIT4255E/01 Official Thermador built-in side-by-side refrigerator

Here are the diagrams and repair parts for Official Thermador KBUIT4255E-01 built-in side-by-side refrigerator, 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 227 parts  |
Refrigerator Slide 143729
#627

Shelf assy 1 diagram

Refrigerator slide

Part #143729

Replaced by #00143729

?
Manufacturer substitution
This part replaces 143729. Substitute parts can look different from the original.
$194.56
In Stock
Refrigerator Shelf 143724
#601

Shelf assy 1 diagram

Refrigerator shelf

Part #143724

Replaced by #00771984

?
Manufacturer substitution
This part replaces 143724. Substitute parts can look different from the original.
$320.22
In Stock
Refrigerator Hinge Assembly 609329
#806

Referigerator door diagram

Refrigerator hinge assembly

Part #609329

Replaced by #00609329

?
Manufacturer substitution
This part replaces 609329. Substitute parts can look different from the original.
$181.48
In Stock
Refrigerator Ice Maker 144796
#527

Ice maker diagram

Refrigerator ice maker

Part #144796

Replaced by #00144999

?
Manufacturer substitution
This part replaces 144796. Substitute parts can look different from the original.
$374.09 | 
$12.00 OFF Phone Price : $386.09
In Stock
Refrigerator Damper 422683
#408

Evaporator diagram

Refrigerator damper

Part #422683

Replaced by #00422683

?
Manufacturer substitution
This part replaces 422683. Substitute parts can look different from the original.
$111.12
In Stock
Refrigerator Harness 643640
#1205

Top grill diagram

Refrigerator harness

Part #643640

Replaced by #00643640

?
Manufacturer substitution
This part replaces 643640. Substitute parts can look different from the original.
$161.42
In Stock
Refrigerator Hinge 609333
#903

Freezer door diagram

Refrigerator hinge

Part #609333

Replaced by #00609333

?
Manufacturer substitution
This part replaces 609333. Substitute parts can look different from the original.
$194.22
In Stock
Refrigerator Switch 416133
#237

Cabinet parts diagram

Refrigerator switch

Part #416133

Replaced by #00416133

?
Manufacturer substitution
This part replaces 416133. Substitute parts can look different from the original.
$105.18
In Stock
Butterdish 487840
#828

Referigerator door diagram

Butterdish

Part #487840

Replaced by #00487840

?
Manufacturer substitution
This part replaces 487840. Substitute parts can look different from the original.
$109.51
In Stock
Refrigerator Valve 422410
#NI

Control panel diagram

Refrigerator valve

Part #422410

Replaced by #00422410

?
Manufacturer substitution
This part replaces 422410. Substitute parts can look different from the original.
$143.24
In Stock

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Main causes: damaged door seal, faulty defrost sensor or bi-metal thermostat, broken defrost heater, bad defrost timer o…

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Main causes: control board or cold control failure, broken compressor start relay, compressor motor failure, defrost tim…

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Why isn't my refrigerator cooling well?

Main causes: blocked vents, defrost system problems, evaporator fan failure, dirty condenser coils, bad sensors, condens…

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Why is my freezer not cold enough?

Main causes: leaky door gasket, defrost system failure, evaporator fan not running, dirty condenser coils, condenser fan…

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Why won't my refrigerator ice maker make ice?

Main causes: jammed ice cubes, broken ice maker assembly, dirty water filter, kinked water line, bad water valve, freeze…

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Why won't my refrigerator cool at all?

Main causes: blocked air vents, compressor problems, condenser or evaporator fan not working, control system failure, se…

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Why is water dripping from my refrigerator onto the floor?

Main causes: water valve leaking, frozen or broken defrost drain tube, overflowing drain pan, cracked water system tubin…

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What routine maintenance does my refrigerator need?

Things to do: clean condenser coils, replace the water filter, clean the interior, adjust doors to prevent air leaks, cl…

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Most common repair guides to help fix your refrigerators

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Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

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Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator temperature control board

How to replace a refrigerator temperature control board

If the temperature in your refrigerator doesn't match the temperature you set, the problem could be the temperature cont…

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Repair difficulty
Time required
 30 minutes or less
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How to clean refrigerator condenser coils

Help your refrigerator run more efficiently by cleaning the condenser coils. It's easy and takes just a few minutes.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your refrigerators

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How to prevent water dispenser and ice maker problems

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