![[Upgraded] BlueStars 4387503 Refrigerator Bimetal Defrost Thermostat](https://m.media-amazon.com/images/I/71TRxL4wuiL._AC_SL3840_.jpg)

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🧊 Keep your cool with precision defrost control!
The BlueStars 4387503 Bimetal Defrost Thermostat is a durable, OEM-standard replacement part designed to regulate refrigerator defrost cycles by opening at 48°F and closing at 62°F. Compatible with leading brands like Whirlpool and KitchenAid, it prevents overheating during defrost, extends appliance life, and comes with lifetime protection for reliable, cost-effective repairs.



| ASIN | B07X25W7CS |
| Additional Features | EASY TO INSTALL |
| Age Range Description | Adult |
| Best Sellers Rank | #73,786 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #88 in Freezer Parts & Accessories |
| Brand Name | BlueStars |
| Color | Silver |
| Customer Reviews | 4.7 4.7 out of 5 stars (388) |
| Display Type | Analog |
| Included Components | 1 x 4387503 Bimetal Defrost Thermostat |
| Indoor Outdoor Usage | Indoor |
| Item Length | 7.8 inches |
| LowerTemperature Range | 48 °F |
| Manufacturer | BlueStars |
| Model | 4387503 WP4387503 PS11742474 AP6009317 |
| Model Name | 4387503 Refrigerator Bimetal Defrost Thermostat |
| Outer Material | Metal |
| Part Number | WP4387503 WP4387503 AP6009317 PS11742474 |
| Power Source | Battery Powered |
| Product Care Instructions | Wipe Clean |
| Reusability | Reusable |
| Unit Count | 1 Count |
| Upper Temperature Range | 62 °F |
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