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Sub-Zero
Freestanding Ice Maker

Model # 505ISC Official Sub-Zero ice maker

Here are the diagrams and repair parts for Official Sub-Zero 505ISC ice maker, as well as links to manuals and error code tables, if available.

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 35 parts  |
Cement 279368

#NI

All parts diagram

Cement

Part #279368

Replaced by #WP279368

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Manufacturer substitution
This part replaces 279368. Substitute parts can look different from the original.
BEST SELLER
$42.72 | 
12% OFF Phone Price : $48.72
In Stock
Refrigerator Service Valve 978025

#NI

All parts diagram

Refrigerator service valve

Part #978025

Replaced by #WP978025

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Manufacturer substitution
This part replaces 978025. Substitute parts can look different from the original.
$29.51 | 
17% OFF Phone Price : $35.51
In Stock
Sears Refrigerator Service Valve 978026

#NI

All parts diagram

Sears refrigerator service valve

Part #978026

$34.19 | 
15% OFF Phone Price : $40.19
In Stock
Sears Refrigerator Service Valve, 3/4-in 978030

#NI

All parts diagram

Sears refrigerator service valve, 3/4-in

Part #978030

$40.49 | 
13% OFF Phone Price : $46.49
In Stock
Refrigerator Ice Maker Inlet Collar Screw 488661
#29

Unit components diagram

Refrigerator ice maker inlet collar screw

Part #488661

This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Ice Maker Pump Mounting Screw 681390
#11

Pump components diagram

Ice maker pump mounting screw

Part #681390

$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Fan Blade 978655
#3

Unit components diagram

Fan blade

Part #978655

$36.99 | 
14% OFF Phone Price : $42.99
In Stock
Sears Refrigerator Service Valve 978027

#NI

All parts diagram

Sears refrigerator service valve

Part #978027

$38.69 | 
13% OFF Phone Price : $44.69
In Stock
Refrigerator Service Valve 978029

#NI

All parts diagram

Refrigerator service valve

Part #978029

$41.18
In Stock
Refrigerator Mastic Sealer 505587

#NI

All parts diagram

Refrigerator mastic sealer

Part #505587

Replaced by #WP505587

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Manufacturer substitution
This part replaces 505587. Substitute parts can look different from the original.
$70.67
In Stock

Most common symptoms to help you fix your freestanding ice makers

Choose a symptom to see related ice maker repairs.

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Why is my ice maker making noise?

Main causes: failing compressor, bad condenser fan motor, faulty drain pump, bad recirculation pump, water supply proble…

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Why does the ice in my freestanding ice maker taste bad?

Main causes: dirty evaporator plate, untreated water supply, food items being stored in ice storage bin…

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Why does my freestanding ice maker leak water?

Main causes: cracked water supply line, leaky drain line, broken drain pump, cracked water reservoir, leaky ice bin…

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Why won't my freestanding ice maker cut the ice into cubes?

Main causes: wiring failure, broken cutting grid, faulty electronic control board…

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Why does my freestanding ice maker run but not make ice?

Main causes: bad electronic control board, water supply problems, faulty recirculation pump, sealed system failure, brok…

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Why isn't my freestanding ice maker making much ice?

Main causes: water supply problems, control board failure, weak recirculation pump, clogged water distributer, faulty cu…

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Why does the ice melt together in my freestanding ice maker?

Main causes: bad bin thermistor, condenser fan failure, faulty control board…

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Why won't my freestanding ice maker run?

Main causes: lack of electrical power, bad power cord, wiring failure, bad control board, faulty bin thermistor, bad eva…

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Most common repair guides to help fix your freestanding ice makers

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

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How to replace a freestanding ice maker recirculation pump

How to replace a freestanding ice maker recirculation pump

If your ice maker isn’t making ice, the pump could be the problem. Here’s how to replace it. …

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a freestanding ice maker electronic control board

How to replace a freestanding ice maker electronic control board

When the electronic control board won’t activate the ice maker components, follow these steps to install a new one.…

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Repair difficulty
Time required
 45 minutes or less
How to replace a freestanding ice maker cutter grid

How to replace a freestanding ice maker cutter grid

When the cutting grid is broken, ice cubes don’t drop into the ice bin. Use the steps in this repair guide to replace a…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your freestanding ice makers

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

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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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Freestanding ice maker troubleshooting

Freestanding ice maker troubleshooting

See what troubleshooting steps to take with your freestanding ice maker before calling for repair.…

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