{"product_id":"4387503-refrigerator-defrost-thermostat-bimetal-replacement-part","title":"4387503 Refrigerator Defrost Thermostat – Bimetal Replacement","description":"\n\u003ch2\u003e4387503 Bimetal Defrost Thermostat – Direct Replacement for Your Refrigerator\u003c\/h2\u003e\n\u003cp\u003eKeep your refrigerator's defrost cycle running smoothly with this durable \u003cstrong\u003e4387503 Bimetal Defrost Thermostat\u003c\/strong\u003e. This clip-on thermostat mounts directly onto the evaporator and monitors temperature during the defrost cycle, automatically switching off the defrost heater once ice and frost have fully melted — helping to protect your appliance and maintain consistent internal temperatures.\u003c\/p\u003e\n\n\u003cp\u003eThis is an ideal direct replacement if your refrigerator is leaking, experiencing inconsistent temperatures (running too warm or too cold), showing excessive ice buildup, or running longer than usual. Engineered for improved durability and high reliability, it features updated characteristics over older original-equipment parts.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Compatible with part number 4387503 and a wide range of cross-reference numbers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBimetal Design:\u003c\/strong\u003e Accurately senses evaporator temperature to control the defrost heater cycle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClip-On Installation:\u003c\/strong\u003e Simple, tool-free mounting directly onto the evaporator — no complicated setup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Metal Construction:\u003c\/strong\u003e Built for long-lasting, dependable performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved Design:\u003c\/strong\u003e Enhanced durability and stable characteristics over standard OEM specs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 4387503\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 2.6 × 2.8 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible \/ Replaces Part Numbers\u003c\/h3\u003e\n\u003cp\u003e2149641, 2149643, 2163894, 2172694, 2182380, 2183072, 2221677, 4343917, 586213, 61002113, AH371255, EA371255, PS371255, R0950042\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 4387503 Refrigerator Defrost Thermostat\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease refer to the size listed in specifications — product images are not to scale.\u003c\/li\u003e\n  \u003cli\u003eAllow slight differences due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eColor may vary slightly due to monitor display settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eLooking for other useful kitchen and home gadgets? Check out these popular items in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/adjustable-fridge-divider-clips-refrigerator-side-shelf-separator-space-saving-kitchen-organizer-for-sauce-bottles-food-packets\"\u003eAdjustable Fridge Divider Clips – Refrigerator Shelf Separator \u0026amp; Organizer\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/adjustable-faucet-hanging-sink-sponge-holder-drain-basket-kitchen-storage-organizer-multifunctional-kitchen-gadget\"\u003eAdjustable Faucet Hanging Sink Sponge Holder \u0026amp; Drain Basket\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/100ml-glass-oil-spray-bottle-anti-leak-press-type-mister-for-bbq-salad-baking-kitchen-cooking-vinegar-dispenser-tool-1\"\u003e100ml Glass Oil Spray Bottle – Kitchen Cooking Dispenser Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.nutrition.gov\/topics\/shopping-cooking-and-food-safety\" target=\"_blank\" rel=\"noopener\"\u003eNutrition.gov on cooking and food safety\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the 4387503 defrost thermostat do in a refrigerator?\u003c\/h4\u003e\n\u003cp\u003eA: The 4387503 bimetal defrost thermostat clips onto the refrigerator's evaporator and monitors temperature during the defrost cycle. When the evaporator reaches the correct temperature and ice or frost has melted, the thermostat automatically shuts off the defrost heater, preventing overheating and protecting the appliance.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I know if my defrost thermostat needs to be replaced?\u003c\/h4\u003e\n\u003cp\u003eA: Common signs that the defrost thermostat may need replacing include excessive ice or frost buildup inside the freezer, inconsistent temperatures (too warm or too cold), water leaking from the unit, or the refrigerator running continuously for longer than normal.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this thermostat compatible with my refrigerator model?\u003c\/h4\u003e\n\u003cp\u003eA: This thermostat is designed as a direct replacement for OEM part number 4387503 and also replaces part numbers: 2149641, 2149643, 2163894, 2172694, 2182380, 2183072, 2221677, 4343917, 586213, 61002113, AH371255, EA371255, PS371255, and R0950042. Check your appliance's model documentation or existing part number to confirm compatibility before ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: Is installation difficult?\u003c\/h4\u003e\n\u003cp\u003eA: No. This is a clip-on thermostat that attaches directly to the evaporator without special tools. It is designed as a straightforward drop-in replacement for the original part, making the installation process quick and easy for most DIY appliance repairs.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the 4387503 defrost thermostat do in a refrigerator?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 4387503 bimetal defrost thermostat clips onto the refrigerator's evaporator and monitors temperature during the defrost cycle. When the evaporator reaches the correct temperature and ice or frost has melted, the thermostat automatically shuts off the defrost heater, preventing overheating and protecting the appliance.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know if my defrost thermostat needs to be replaced?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Common signs that the defrost thermostat may need replacing include excessive ice or frost buildup inside the freezer, inconsistent temperatures (too warm or too cold), water leaking from the unit, or the refrigerator running continuously for longer than normal.\"}}, {\"@type\": \"Question\", \"name\": \"Is this thermostat compatible with my refrigerator model?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This thermostat is designed as a direct replacement for OEM part number 4387503 and also replaces part numbers: 2149641, 2149643, 2163894, 2172694, 2182380, 2183072, 2221677, 4343917, 586213, 61002113, AH371255, EA371255, PS371255, and R0950042. Check your appliance's model documentation or existing part number to confirm compatibility before ordering.\"}}, {\"@type\": \"Question\", \"name\": \"Is installation difficult?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This is a clip-on thermostat that attaches directly to the evaporator without special tools. It is designed as a straightforward drop-in replacement for the original part, making the installation process quick and easy for most DIY appliance repairs.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"4387503 Refrigerator Defrost Thermostat – Bimetal Replacement\", \"item\": \"https:\/\/ntmid8-d2.myshopify.com\/products\/4387503-refrigerator-defrost-thermostat-bimetal-replacement-part\"}]}\u003c\/script\u003e","brand":"VIBE","offers":[{"title":"Default Title","offer_id":67687514603747,"sku":"\u003cnone\u003e","price":6.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/8383\/9203\/files\/S9d9b9a9af8e74ad08b5f37031f645f8ax.webp?v=1791990912","url":"https:\/\/vibeshopmart.com\/products\/4387503-refrigerator-defrost-thermostat-bimetal-replacement-part","provider":"VIBE","version":"1.0","type":"link"}