If your ice maker is producing small cubes, stopping early, or failing to cycle, the thermostat may be the part that needs attention.
This 2026 roundup highlights dependable ice maker mold thermostat replacements for common refrigerator and bin applications, with a focus on fit, temperature range, and compatibility.
Best 10 Ice Maker Mold Thermostat Picks for 2026
OEM Replacement
- Replaces WP627985 and many alternate numbers
- OEM-style refrigerator icemaker thermostat
- Check fitment before installing
Best For: Part-number-matched OEM-style replacements
Sensor Pick
- Tracks ice maker bin temperature
- Cross-references WPW10511923, AP6022509, and PS11755842
- Model-specific fitment required
Best For: Replacing a compatible bin temperature sensor
Genuine OEM
WP627985 Icemaker Mold Thermostat
- Listed as Genuine OEM Part # WP627985
- Replaces many alternate part numbers
- Best when matching an existing OEM part
Best For: Confirmed WP627985 OEM replacements
Aftermarket Utility
SL5708 Ice Maker Defrost Thermostat
- Aftermarket replacement for SL5708 and 4752C
- Open 75°F, close 40°F
- 42-inch leads and rated load specs listed
Best For: Aftermarket repairs matched to known compatibility codes
Whirlpool-Compatible Replacement
- Compatible with Whirlpool icemaker WP627985
- Includes icemaker mold thermostat
- Verify fit before ordering
Best For: Whirlpool ice maker repairs requiring the WP627985 part
Commercial Bin Control
Ice-O-Matic 1011411-59 Thermostat
- Exact part number 1011411-59
- Electronic component for Ice-O-Matic equipment
- Made in the United States
Best For: Replacing the 1011411-59 thermostat in compatible Ice-O-Matic machines
Genuine Frigidaire Part
3206322 Icemaker Mold Thermostat
- Genuine Frigidaire replacement part
- Identified as an icemaker mold thermostat
- Model number 3206322
Best For: Frigidaire repairs needing a genuine 3206322 replacement
Freezer Control Pick
W1609-101 Mechanical Thermostat for -30°F to 90°F
- -30°F to 90°F adjustable range
- 5-foot capillary bulb for easier installation
- Direct replacement for W1609-101 / TH-1609
Best For: Users replacing a mechanical freezer or cooler thermostat
Whirlpool Match
37TV801 Icemaker Mold Thermostat L32-17F
- Fits Whirlpool 37TV801 icemaker mold
- L32-17F part identifier
- Compact replacement-size design
Best For: Whirlpool 37TV801 icemaker mold repairs
Exact Replacement
999311 Icemaker Mold Thermostat L32-17F
- Fits 3ECKMF86, 3ECKMF87, and 3ED22DQXAW00
- 240-volt rated replacement part
- Small, lightweight thermostat assembly
Best For: Exact-match icemaker mold replacements for listed models
OEM Replacement – WP627985 CM Mold Thermostat
If you need an ice maker mold thermostat replacement for a compatible refrigerator, this WP627985 CM part is aimed at direct part-number matching. It cross-references a long list of numbers, which can make it easier to identify the right ice maker mold thermostat when you’re replacing an existing OEM-style component.
Best For: Buyers looking for a part-number-specific replacement with broad cross-reference compatibility.
Pros:
- Replaces WP627985 and multiple alternate part numbers.
- OEM-style replacement for refrigerator icemaker use.
- Compact 4 x 4 x 4 inch listed dimensions.
Cons:
- Must not be installed if the part does not match your appliance.
- Returns are only accepted in new, re-saleable condition.
- No refund once installed, per the listing notes.
Overall, this is a straightforward choice if you already know the exact part number you need. The main advantage is the extensive interchange list, but fitment verification is essential before installation.
Sensor Pick – W10511923 Bin Thermistor
Supplying Demand W10511923 3021097 Ice Cube Maker Bin Temperature Sensor Thermistor Replacement
Check Price On AmazonThis ice maker mold thermostat-related replacement is actually a bin temperature sensor thermistor, designed to monitor the ice maker bin and report the temperature to the electronic control board. If your repair calls for a compatible ice maker bin sensor, this model is built around a model-specific fit and includes alternate part numbers for reference.
Best For: Shoppers replacing a bin temperature sensor thermistor in a compatible refrigerator.
Pros:
- Monitors ice maker bin temperature and sends readings to the control board.
- Lists alternate part numbers WPW10511923, AP6022509, and PS11755842.
- Includes a 30-day return policy for new, unopened items.
- Comes with a 90-day limited manufacturer’s warranty on compatible models.
Cons:
- Model-specific fitment must be verified before purchase.
- Not the evaporator thermistor; a different part number is needed for that repair.
- Power should be disconnected before servicing.
As a replacement sensor, this option is useful when the issue is the bin temperature reading rather than the ice maker mechanism itself. The fitment guidance is important here, since the listing is clear that compatibility needs to be confirmed for your exact refrigerator model.
Genuine OEM – WP627985 Icemaker Mold Thermostat
If you want a genuine OEM ice maker mold thermostat, this WP627985 part is listed directly as the OEM component. It also replaces the same group of alternate numbers as other WP627985 variants, making it a practical choice when you’re matching an existing refrigerator icemaker part number.
Best For: Buyers who want a genuine OEM replacement identified by the WP627985 part number.
Pros:
- Listed as Genuine OEM Part # WP627985.
- Replaces a wide range of alternate part numbers.
- Clear model identifiers are provided in the listing.
Cons:
- Fit still depends on matching the exact appliance part.
- No return or warranty terms are detailed in the notes.
This is the most direct option if your repair plan centers on the WP627985 number itself. With OEM identification and broad cross-reference support, it fits best when you’re replacing a confirmed original part.
Aftermarket Utility – SL5708 Ice Maker Defrost Thermostat
For an aftermarket ice maker mold thermostat-style repair, this defrost thermostat is built around specific compatibility numbers like SL5708 and 4752C. The listing also provides temperature and load ratings, which helps if you need a replacement with clearly stated operating specs.
Best For: Buyers needing an aftermarket replacement matched to SL5708, 4752C, or similar identifiers.
Pros:
- Compatible with part numbers SL5708, 4752C, L75-40F, 14T21, and Style 30318.
- States open and close temperatures: 75°F open, 40°F close.
- Lists electrical load handling up to 25 amps at 120/240VAC.
- Includes 42-inch leads for installation flexibility.
Cons:
- Aftermarket replacement part, not OEM.
- Buyer must compare pictures to the original part carefully.
This option stands out for the amount of operating detail included in the listing, especially the temperature thresholds and load ratings. It is best suited to buyers who already know the compatibility codes and want a functional aftermarket replacement.
Whirlpool-Compatible Replacement – WP627985 Mold Thermostat
If you need an ice maker mold thermostat for a Whirlpool-compatible repair, this WP627985 replacement is aimed at buyers who want a direct-fit style part for a specific unit. The listing warns you to confirm compatibility before ordering, so it’s best used when you already know the exact part number you need.
Best For: Whirlpool ice maker repairs where the original WP627985 mold thermostat is the required part.
Pros:
- Compatible with Whirlpool icemaker WP627985
- Includes the icemaker mold thermostat component
- Product listing explicitly advises checking compatibility first
Cons:
- No broad compatibility list is provided in the notes
- Dimensions are listed but no installation guidance is included
- Buyer must verify fit before ordering
Overall, this is a straightforward replacement option for shoppers who already know they need the WP627985 mold thermostat. The main advantage is specificity; the main caution is to confirm the match before buying.
Commercial Bin Control – Ice-O-Matic 1011411-59 Thermostat
This Ice-O-Matic bin thermostat is a replacement electronic component for buyers servicing compatible ice machines. If you’re comparing an ice maker mold thermostat-style part for an Ice-O-Matic setup, this listing stands out for its clear model number and U.S. origin details.
Best For: Ice-O-Matic equipment owners or technicians replacing the 1011411-59 bin thermostat.
Pros:
- Specific Ice-O-Matic part number: 1011411-59
- Listed as an electronic component
- Made in the United States
- Clear package and product dimensions provided
Cons:
- Notes do not state broad cross-compatibility
- Sold as a bin thermostat, not explicitly a mold thermostat
- No installation instructions are included
For buyers who need the exact Ice-O-Matic replacement part, this is a focused option with strong identification details. Just make sure your machine calls for 1011411-59 before ordering.
Genuine Frigidaire Part – 3206322 Icemaker Mold Thermostat
For shoppers looking for a genuine ice maker mold thermostat replacement, this Frigidaire 3206322 part is the most direct option in the lineup. The listing identifies it as a genuine replacement part, which makes it a practical pick when you need an authentic Frigidaire-compatible component.
Best For: Frigidaire owners who want a genuine replacement for part 3206322.
Pros:
- Genuine Frigidaire replacement part
- Identified as an icemaker mold thermostat
- Very compact part size and light weight
- Clear model number: 3206322
Cons:
- No broader compatibility details are provided
- Very little product information beyond the model number
- Buyer still needs to confirm the exact part match
This is a clean, no-frills replacement choice for Frigidaire repairs where part authenticity matters. If your appliance calls for 3206322, it’s the most straightforward match in this set.
Freezer Control Pick – W1609-101 Mechanical Thermostat for -30°F to 90°F
If you’re shopping for an ice maker mold thermostat or a related cold-storage control, this W1609-101 replacement is built for simple mechanical temperature management in freezers and coolers. Its -30°F to 90°F range, 5-foot capillary bulb, and direct replacement design make it a practical option when you want a straightforward swap instead of a more complex electronic controller.
Best For: Replacing a failed mechanical thermostat in a freezer, cooler, or garage refrigerator setup where reliable manual temperature control matters.
Pros:
- Wide adjustable range from -30°F to 90°F for flexible cold-storage use.
- 5-foot capillary tube helps with easier routing in tight spaces.
- Direct replacement for W1609-101 and TH-1609 simplifies compatibility matching.
- Built with alloy steel and a copper bulb for cold, humid environments.
Cons:
- Compatibility depends on matching the existing part number carefully.
- Mechanical design may not suit users wanting digital controls.
- Primarily aimed at refrigerators, freezers, and coolers rather than dedicated icemaker mold units.
This is a solid choice if you want a durable, no-frills thermostat with a broad temperature range and direct-replacement convenience. Just verify your current model number before ordering to avoid a mismatch.
Whirlpool Match – 37TV801 Icemaker Mold Thermostat L32-17F
This ice maker mold thermostat is a focused replacement part for Whirlpool 37TV801 applications, with an L32-17F designation that helps narrow fitment. If your repair plan is centered on a specific Whirlpool-compatible icemaker mold setup, this is the kind of part you buy when precise match-up matters more than extra features.
Best For: Whirlpool owners who need a direct-fit thermostat replacement for a 37TV801 icemaker mold.
Pros:
- Listed as fitting Whirlpool 37TV801 thermostat icemaker mold applications.
- L32-17F identifier helps with part matching.
- Compact size makes it easy to handle during repair work.
Cons:
- Limited product details make fit verification especially important.
- No extra installation components are included.
- Only useful if your appliance matches the specified Whirlpool reference.
Choose this if your goal is a targeted replacement and you already have the exact Whirlpool part reference in hand. It’s a practical buy for a narrow repair, but not a broad universal substitute.
Exact Replacement – 999311 Icemaker Mold Thermostat L32-17F
999311 Thermostat, Icemaker Mold, L32-17F for 3ECKMF86, 3ECKMF87, 3ED22DQXAW00
Check Price On AmazonFor shoppers searching for an ice maker mold thermostat replacement, this 999311 part is built around specific appliance references like 3ECKMF86, 3ECKMF87, and 3ED22DQXAW00. The L32-17F designation, 240-volt rating, and compact form factor make it a straightforward match-focused option for a compatible icemaker repair.
Best For: Appliance owners who need a part-specific thermostat replacement for listed icemaker mold models.
Pros:
- Designed for multiple specific model references, including 3ECKMF86 and 3ED22DQXAW00.
- 240-volt rating is clearly stated for compatibility checks.
- Very small footprint supports tight appliance installations.
- Lightweight construction makes handling easy during repair.
Cons:
- Fit is limited to the listed model numbers and related applications.
- Capacity and refrigerant details are niche-specific, so verification is essential.
- Not a universal ice maker thermostat option.
This is a good pick when you need an exact-reference replacement and want a compact thermostat that matches the appliance specs on paper. As with any icemaker mold thermostat, confirming the model number before purchase is the key step.
How We Picked the Best Ice Maker Mold Thermostat
We focused on replacement parts that match common OEM-style specifications, including temperature cut-in and cut-out ranges, mounting style, connector type, and intended appliance use. Since a wrong thermostat can cause short cycling or no ice production, compatibility mattered more than broad claims.
We also looked for clear model references, credible cross-compatibility, and parts suited to frequent repair scenarios in home refrigerators and commercial ice systems.
Quick Comparison
The best choice depends on whether you need a direct refrigerator icemaker mold thermostat, a bin thermostat for an ice machine, or a more universal mechanical thermostat for freezer and cooler applications. Match the part number first, then compare temperature specs and physical design.
Key Buying Factors for Ice Maker Mold Thermostat
Exact Part Number Match
The safest replacement is an exact OEM or cross-reference match. Many ice maker failures come down to a thermostat that looks similar but closes at the wrong temperature.
Temperature Rating
Check the shutoff and reset temperature range carefully. The Ice Maker Mold Thermostat must signal the harvest cycle at the correct point; even a small mismatch can affect cube release and fill timing.
Appliance Type and Application
Some options are made for refrigerator icemaker molds, while others are bin thermostats or general-purpose mechanical controls. A bin thermostat is not always a direct substitute for a mold thermostat, even if the connector seems close.
Physical Fit and Wiring
Confirm bulb style, wire length, terminal layout, and mounting method before buying. If the thermostat does not sit correctly on the mold, it may read temperature inaccurately and cause inconsistent production.
Who Should Buy Which Ice Maker Mold Thermostat?
Choose an OEM-style replacement if you want the closest match to the original part and the least installation risk. Pick a model-specific compatible part if your appliance lists a clear substitute number and you want a lower-cost repair option.
If you service multiple freezers, coolers, or commercial units, a mechanical thermostat with a wider range may be useful, but only when the application truly calls for it. For Whirlpool, Frigidaire, and Ice-O-Matic systems, stay as close as possible to the listed replacement spec for the most reliable results.