Looking for the best defrost thermostats to fix your fridge? We’ve got you covered with our top 10 picks, offering easy installation, cost savings, and guarantees for a hassle-free experience.
Fixing your fridge doesn’t have to be hard. A defrost thermostat is a small part that makes a big difference. It keeps your fridge running smoothly and prevents common problems like frost buildup or overheating.
We’ve tested and reviewed the best defrost thermostats for top brands like Whirlpool, GE, and Kenmore. These parts are easy to install, save you money, and come with guarantees for peace of mind. Let’s find the perfect fit for your fridge!
List of Top 10 best defrost thermostats
| Image | Title | Best For | Price |
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Refrigerator Defrost Thermostat W10225581, 2 Pcs Bimetal Defrost Thermostat Exact use for Whirlpool, Sears, Kenmore Refrigerator: Replace |
This refrigerator defrost thermostat is perfect for anyone with a Whirlpool, Sears, or Kenmore fridge that needs a quick, easy fix. It’s simple to install and saves time and money. |
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AMI PARTS WR51X10055 Refrigerator Defrost Heater Kit, Temperature Sensor WR55X10025, High Limit Thermostat WR50X10068 Replacement Compatible with General Electric |
This AMI PARTS WR51X10055 Refrigerator Defrost Heater Kit is perfect for anyone with a General Electric refrigerator that’s too warm, has frost buildup, or isn’t defrosting properly. It’s easy to install and fixes common fridge problems fast. |
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Seentech 5303918214 Refrigerator Defrost Thermostat Exact use for Frigidaire Kenmore Electrolux – Replace Part Number AP2150145 PS469522 AH469522 EA469522, 75303918214, 892545 (1 Pack) |
This Seentech 5303918214 Refrigerator Defrost Thermostat is perfect for anyone with a Frigidaire, Kenmore, Electrolux, or other compatible fridge that needs a quick, easy fix. It’s great for saving money on repairs and keeping your fridge running smoothly. |
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4387503 Refrigerator Bimetal Defrost Thermostat by Seentech – Compatible with Whirlpool, Ken-more Refrigerator/Freezer: Replaces PS11742474 AP6009317 WP4387503 343917 61002113 |
This 4387503 Refrigerator Bimetal Defrost Thermostat is perfect for anyone with a Whirlpool or Ken-more refrigerator that needs a quick, easy fix. It’s great for DIY repairs and saves money on costly service calls. |
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BlueStars Upgraded 4387503 Refrigerator Bimetal Defrost Thermostat Replacement – Compatible with Whirlpool & Kenmore Refrigerators – Replaces WP4387503 343917 61002113 PS11742474 AP6009317 |
This BlueStars Upgraded 4387503 Refrigerator Bimetal Defrost Thermostat is perfect for anyone who wants to fix their fridge or freezer quickly and easily. It’s great for saving time and money while keeping your appliance running smoothly. |
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W10225581 Refrigerator Bimetal Defrost Thermostat by Seentech – Exact Fit for Whirlpool, Sears, Kenmore Refrigerator – Replace: WPW10225581, AP6017375, PS11750673, PS237680,2321799 |
This W10225581 Refrigerator Bimetal Defrost Thermostat is perfect for anyone with a Whirlpool, Sears, Kenmore, or other compatible refrigerator needing a quick and easy fix. Save time and money by repairing your freezer yourself with this exact-fit replacement part. |
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5303918214 Refrigerator Defrost Thermostat, 2set/pack Equal quality, Exact use for Frigidaire,Electrolux,Kenmore (Perfect replacement AP2150145 PS469522 AH469522 EA469522, 75303918214, 892545) |
This refrigerator defrost thermostat is perfect for anyone with a Frigidaire, Electrolux, or Kenmore fridge that needs a quick, easy fix. It’s simple to install and saves you money on repairs. |
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W10225581 Refrigerator Bimetal Defrost Thermostat by Seentech – Exact use for Whirlpool, Sears, Kenmore Refrigerator: Replaces: WPW10225581, AP6017375, PS11750673, PS237680,2321799 (Pack of 2) |
This W10225581 Refrigerator Bimetal Defrost Thermostat is perfect for anyone with a Whirlpool, Sears, or Kenmore refrigerator needing a reliable replacement part. It’s easy to install and saves you money on repairs. |
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DR Quality Parts Replacement Part for WR50X10068 Defrost Thermostat -For GE Refrigerators (AP3884317, PS1011716) |
This replacement part is perfect for anyone with a GE or Hotpoint refrigerator that needs a quick fix. It’s easy to install and works great for common fridge problems like frost buildup or leaking water. |
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【Upgraded】 WR51X10055 Refrigerator Defrost Heater Kit, Temperature Sensor WR55X10025, High Limit Thermostat WR50X10068 Fit for GE General Electric Kenmore by Romalon |
This refrigerator defrost heater kit is perfect for anyone with a GE or Kenmore fridge who wants to keep their food fresh. It’s easy to install and works great for fixing frost or ice buildup. |
Detailed Reviews
Discover the top 10 defrost thermostats for your fridge, handpicked for reliability and performance. Each product is easy to install and fixes common issues like frost buildup or overheating. Find the perfect match for your brand and enjoy long-lasting results with confidence.
1. Refrigerator Defrost Thermostat W10225581, 2 Pcs Bimetal Defrost Thermostat Exact use for Whirlpool, Sears, Kenmore Refrigerator: Replace

Fix your fridge fast with the Refrigerator Defrost Thermostat W10225581. This 2-piece set is designed to replace parts in Whirlpool, Sears, and Kenmore refrigerators.
Easy to install, saves time and money, and works perfectly. Premium quality ensures long-lasting performance.
Protects your evaporator from overheating during defrost cycles. 100% satisfaction guaranteed—buy with confidence!
| Pros | Cons |
|---|---|
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Perfect For:
This refrigerator defrost thermostat is perfect for anyone with a Whirlpool, Sears, or Kenmore fridge that needs a quick, easy fix. It’s simple to install and saves time and money.
Ready to Purchase?
2. AMI PARTS WR51X10055 Refrigerator Defrost Heater Kit, Temperature Sensor WR55X10025, High Limit Thermostat WR50X10068 Replacement Compatible with General Electric

The AMI PARTS WR51X10055 Refrigerator Defrost Heater Kit is a complete set for fixing common fridge problems. It includes a defrost heater, temperature sensor, and high limit thermostat. These parts work together to melt ice, control temperature, and prevent overheating.
This kit fixes issues like a too-warm fridge or frost buildup. It’s compatible with General Electric models and comes with a 180-day guarantee. Easy to install, just remember to cut off power first.
| Pros | Cons |
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Perfect For:
This AMI PARTS WR51X10055 Refrigerator Defrost Heater Kit is perfect for anyone with a General Electric refrigerator that’s too warm, has frost buildup, or isn’t defrosting properly. It’s easy to install and fixes common fridge problems fast.
Ready to Purchase?
3. Seentech 5303918214 Refrigerator Defrost Thermostat Exact use for Frigidaire Kenmore Electrolux – Replace Part Number AP2150145 PS469522 AH469522 EA469522, 75303918214, 892545 (1 Pack)

Fix your fridge fast with the Seentech 5303918214 Refrigerator Defrost Thermostat. This exact replacement part works with top brands like Frigidaire, Kenmore, and Electrolux. It’s easy to install and saves you time and money.
Solve common fridge problems like food being too cold, too warm, or the freezer not defrosting. This premium-quality kit includes everything you need: clip, leads, and heat shrink. It’s well-tested for long-lasting performance.
Enjoy peace of mind with a 30-day return policy. If you have questions, our customer service team is here to help.
| Pros | Cons |
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Perfect For:
This Seentech 5303918214 Refrigerator Defrost Thermostat is perfect for anyone with a Frigidaire, Kenmore, Electrolux, or other compatible fridge that needs a quick, easy fix. It’s great for saving money on repairs and keeping your fridge running smoothly.
Ready to Purchase?
4. 4387503 Refrigerator Bimetal Defrost Thermostat by Seentech – Compatible with Whirlpool, Ken-more Refrigerator/Freezer: Replaces PS11742474 AP6009317 WP4387503 343917 61002113

The 4387503 Refrigerator Bimetal Defrost Thermostat is a reliable replacement part for your fridge. It works with Whirlpool, Ken-more, and Roper models. This part ensures your fridge runs smoothly.
It’s easy to install with its clip-on design and two wires. The thermostat senses temperature changes during defrosting. It turns off the heater once ice or frost melts.
Made from durable, high-quality material, it fixes common issues like leaking or a too-warm fridge. Enjoy a 30-day return window for peace of mind.
| Pros | Cons |
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Perfect For:
This 4387503 Refrigerator Bimetal Defrost Thermostat is perfect for anyone with a Whirlpool or Ken-more refrigerator that needs a quick, easy fix. It’s great for DIY repairs and saves money on costly service calls.
Ready to Purchase?
5. BlueStars Upgraded 4387503 Refrigerator Bimetal Defrost Thermostat Replacement – Compatible with Whirlpool & Kenmore Refrigerators – Replaces WP4387503 343917 61002113 PS11742474 AP6009317

The BlueStars Upgraded 4387503 Refrigerator Bimetal Defrost Thermostat is a reliable replacement part for your fridge. It works with Whirlpool and Kenmore models, ensuring a perfect fit. Always check your model number before ordering to avoid mistakes.
This thermostat is made from high-quality materials and meets OEM standards. It prevents overheating during the defrost cycle, keeping your fridge running smoothly. Enjoy lifetime protection for peace of mind.
Installation is quick and easy, saving you time and money. It fixes common issues like leaking or a warm freezer. Replace your old part with this durable and effective solution.
| Pros | Cons |
|---|---|
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Perfect For:
This BlueStars Upgraded 4387503 Refrigerator Bimetal Defrost Thermostat is perfect for anyone who wants to fix their fridge or freezer quickly and easily. It’s great for saving time and money while keeping your appliance running smoothly.
Ready to Purchase?
6. W10225581 Refrigerator Bimetal Defrost Thermostat by Seentech – Exact Fit for Whirlpool, Sears, Kenmore Refrigerator – Replace: WPW10225581, AP6017375, PS11750673, PS237680,2321799

The W10225581 Refrigerator Bimetal Defrost Thermostat is a reliable replacement part for your fridge. It’s designed to fit perfectly and work smoothly.
This part works with many top brands, including Whirlpool, Kenmore, and Maytag. It’s easy to install, saving you time and money.
Enjoy peace of mind with a 30-day return policy. Our customer service team is ready to help if you have questions.
| Pros | Cons |
|---|---|
|
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Perfect For:
This W10225581 Refrigerator Bimetal Defrost Thermostat is perfect for anyone with a Whirlpool, Sears, Kenmore, or other compatible refrigerator needing a quick and easy fix. Save time and money by repairing your freezer yourself with this exact-fit replacement part.
Ready to Purchase?
7. 5303918214 Refrigerator Defrost Thermostat, 2set/pack Equal quality, Exact use for Frigidaire,Electrolux,Kenmore (Perfect replacement AP2150145 PS469522 AH469522 EA469522, 75303918214, 892545)

Fix your fridge with this defrost thermostat. It works for Frigidaire, Electrolux, Kenmore, and more. Easy to install, it saves time and money.
This premium quality part meets OEM standards. It prevents overheating during defrost cycles. Solve common fridge problems like temperature issues.
Buy with confidence. Get 100% after-sales service. No questions asked replacements available.
| Pros | Cons |
|---|---|
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Perfect For:
This refrigerator defrost thermostat is perfect for anyone with a Frigidaire, Electrolux, or Kenmore fridge that needs a quick, easy fix. It’s simple to install and saves you money on repairs.
Ready to Purchase?
8. W10225581 Refrigerator Bimetal Defrost Thermostat by Seentech – Exact use for Whirlpool, Sears, Kenmore Refrigerator: Replaces: WPW10225581, AP6017375, PS11750673, PS237680,2321799 (Pack of 2)

The W10225581 Bimetal Defrost Thermostat is a reliable replacement part for your refrigerator. It works with top brands like Whirlpool, Kenmore, and Maytag. This pack includes two thermostats for your convenience.
It’s easy to install and fixes common fridge issues. Save time and money on repairs with this durable part.
Made from high-quality materials, it ensures long-lasting performance. Enjoy a 30-day return policy for peace of mind. Contact us if you have any questions.
| Pros | Cons |
|---|---|
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Perfect For:
This W10225581 Refrigerator Bimetal Defrost Thermostat is perfect for anyone with a Whirlpool, Sears, or Kenmore refrigerator needing a reliable replacement part. It’s easy to install and saves you money on repairs.
Ready to Purchase?
9. DR Quality Parts Replacement Part for WR50X10068 Defrost Thermostat -For GE Refrigerators (AP3884317, PS1011716)

The DR Quality Parts Replacement is a perfect match for your GE or Hotpoint refrigerator. It replaces the WR50X10068 defrost thermostat, fitting various models. This part is easy to install.
It fixes common fridge problems like frost buildup and leaking water. The thermostat protects your evaporator from overheating. It also stops your freezer from defrosting too often.
We offer a 30-day money-back guarantee and a 2-year warranty. Our 24-hour online service team is ready to help. We aim to make your shopping easy and worry-free.
| Pros | Cons |
|---|---|
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Perfect For:
This replacement part is perfect for anyone with a GE or Hotpoint refrigerator that needs a quick fix. It’s easy to install and works great for common fridge problems like frost buildup or leaking water.
Ready to Purchase?
10. 【Upgraded】 WR51X10055 Refrigerator Defrost Heater Kit, Temperature Sensor WR55X10025, High Limit Thermostat WR50X10068 Fit for GE General Electric Kenmore by Romalon

The WR51X10055 Refrigerator Defrost Heater Kit is a complete set that includes a defrost heater, temperature sensor, and high limit thermostat. It’s designed to fit GE and Kenmore refrigerators, ensuring your appliance works like new.
This kit melts ice and frost, keeps food fresh, and prevents contamination. It’s made from durable materials and comes with a 1-year quality guarantee.
| Pros | Cons |
|---|---|
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Perfect For:
This refrigerator defrost heater kit is perfect for anyone with a GE or Kenmore fridge who wants to keep their food fresh. It’s easy to install and works great for fixing frost or ice buildup.
Ready to Purchase?
Buying Guide
Fixing your fridge is easy with the right defrost thermostat. This small part prevents frost buildup and overheating, keeping your fridge running smoothly. Let’s find the perfect one for you!
Buying the Best Defrost Thermostat: A Simple Guide
When shopping for a defrost thermostat, consider these key factors to ensure you get the right fit for your fridge:
- Compatibility: Check if the part works with your fridge brand and model. Look for terms like “exact fit” or “compatible with” to avoid mistakes.
- Ease of Installation: Choose a thermostat that’s easy to install, saving you time and money. Many come with clip-on designs or simple wiring.
- Quality and Durability: Opt for premium-quality parts made from durable materials. These ensure long-lasting performance and fewer repairs.
- Guarantees and Returns: Look for products with guarantees, warranties, or return policies. This gives you peace of mind if something goes wrong.
- Common Issues Fixed: Pick a thermostat that solves your fridge’s specific problems, like frost buildup, overheating, or temperature issues.
- Customer Support: Choose brands with helpful customer service teams. They can assist with questions or installation tips.
With these factors in mind, you’ll find the perfect defrost thermostat to keep your fridge running like new!