{"product_id":"3977393-dryer-thermal-fuse-4pack","title":"3977393 Dryer Thermal Fuse for Whirlpool Maytag Roper Kenmore KitchenAid Dryers - Replaces 279816VP 3399848 - 4 Pack","description":"\u003ch2\u003e3977393 \/ WP3977393 Dryer Thermal Fuse\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Temperature Safety Cut-Off:\u003c\/strong\u003e Engineered as a critical non-resettable safety device that monitors the temperature of the heating element housing. It is designed to trip and break the electrical circuit if temperatures reach approximately 309°F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Calibrated Solder Link:\u003c\/strong\u003e Features a high-sensitivity internal thermal link that reacts instantly to localized overheating, providing a vital secondary defense against dryer fires caused by heating element shorts or severe airflow restrictions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Terminal Interface:\u003c\/strong\u003e Equipped with two 1\/4-inch male spade terminals designed for high-amperage stability, ensuring a secure electrical connection that resists pitting and carbon buildup over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Ceramic\/Polymer Housing:\u003c\/strong\u003e Encased in a heat-stabilized, high-impact housing designed to maintain structural integrity while mounted directly to the high-heat environment of the metal heater box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWP3977393\u003c\/li\u003e\n\u003cli\u003eAP3094244\u003c\/li\u003e\n\u003cli\u003ePS334299\u003c\/li\u003e\n\u003cli\u003e3399848\u003c\/li\u003e\n\u003cli\u003e279816VP\u003c\/li\u003e\n\u003cli\u003e3389946\u003c\/li\u003e\n\u003cli\u003e3398671\u003c\/li\u003e\n\u003cli\u003e695563\u003c\/li\u003e\n\u003cli\u003eAH334299\u003c\/li\u003e\n\u003cli\u003eEAP334299\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis high-limit fuse is a standard safety component for most Whirlpool-manufactured dryers (Electric and Gas) produced over the last 30 years. Key compatible brands include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhirlpool \u0026amp; Maytag:\u003c\/strong\u003e Fits hundreds of LER, LGR, MED, and MGD series models (e.g., LER4634EQ2, MEDC215EW1).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKenmore (110 Series):\u003c\/strong\u003e Compatible with virtually all 110-prefix models produced by Whirlpool for Sears (e.g., 110.60852990).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKitchenAid, Roper, \u0026amp; Estate:\u003c\/strong\u003e Direct fit for dozens of budget-friendly and high-end top-lint-filter dryers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmana \u0026amp; Crosley:\u003c\/strong\u003e Compatible with NED, NGD, and CDE series units utilizing the 3977393 style fuse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Unlike the blower-housing fuse, the 3977393 is typically located \u003cstrong\u003eon the side of the metal heating element housing\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Heat (Electric Dryers):\u003c\/strong\u003e The dryer drum turns and the air blows, but it never gets warm. This is the most common symptom of a blown 3977393 fuse on the heater box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDryer Won't Start (Certain Models):\u003c\/strong\u003e In some Whirlpool-built designs, a blown high-limit fuse is wired in series with the motor, preventing the unit from starting entirely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"Check Vent\" Light Stays On:\u003c\/strong\u003e If your dryer senses extreme back-pressure and heat, it may blow this fuse before you have a chance to clean the duct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDryer Shuts Off Mid-Cycle:\u003c\/strong\u003e The unit stops unexpectedly as the heater housing reaches unsafe temperatures, cutting power to the system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuity Test Failure:\u003c\/strong\u003e Use a multimeter to test for continuity. If the fuse shows \"Open\" (no beep), the internal link has melted and the part must be replaced.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e You MUST unplug the dryer. Since this fuse is part of the high-voltage heater circuit, attempting this repair while the unit is plugged in is extremely dangerous.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess the Heater Box:\u003c\/strong\u003e On most models, you must remove the rear panel of the dryer. Locate the metal cylinder or box that houses the heating element; the 3977393 fuse is mounted to the side of it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect the Thermostat:\u003c\/strong\u003e This fuse is often paired with the **3387134 High-Limit Thermostat**. If the fuse is blown, it is highly recommended to inspect or replace the thermostat at the same time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Your Vents (CRITICAL):\u003c\/strong\u003e A thermal fuse blows for a reason—usually a clogged dryer vent. Before installing the new fuse, use a vacuum to clean out the internal blower housing and the exhaust ducting all the way to the outside wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTighten the Connections:\u003c\/strong\u003e Ensure the wire terminals are tight when you push them onto the new fuse. Loose connections create heat, which can lead to premature fuse failure or melted wires.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45870607466685,"sku":"AZ00368438","price":18.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00368438_1_edcf27d8-af7f-46ff-91d1-9fe3134004d7.jpg?v=1762245579","url":"https:\/\/bluestarsparts.com\/products\/3977393-dryer-thermal-fuse-4pack","provider":"BlueStars Parts","version":"1.0","type":"link"}