3977393 Dryer Thermal Fuse - For Whirlpool & Kenmore Dryers - 6 Pack

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$17.57
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$17.57
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Enter appliance or equipment model number to verify compatibility with this part

3977393 Dryer Thermal Fuse - Pack of 6

Key Features

  • Quantity: 6 thermal fuses
  • Function: Shuts off the heating element or motor circuit when the dryer overheats
  • Trip Temperature: 309 degrees
  • Type: Non-resettable, one-time use safety fuse
  • Construction: High-temperature resistant materials

Replaces / Cross-Reference Part Numbers

  • WP3977393
  • AP3094244
  • PS334299
  • 3399848
  • 279816VP
  • 3389946
  • 3398671
  • 695563
  • AH334299
  • EAP334299

Compatibility & Fitment

  • Designed for use with dryers from major brands including Whirlpool, Kenmore, and Maytag.
  • Fits numerous specific dryer models. Verify compatibility by part number.

When to Replace

  • Dryer will not start.
  • Dryer tumbles but does not heat.
  • The existing fuse has blown and shows no continuity when tested with a multimeter.

Installation Tips

  • Always disconnect the dryer from its power source before beginning any repairs.
  • This fuse is a safety component. If it has blown, inspect the dryer's exhaust vent for lint buildup or obstructions, as this is the most common cause of overheating.
  • Clean the entire vent path from the dryer to the exterior of the building before installing the new fuse to prevent recurrence.
  • 3977393 Dryer Thermal Fuse - For Whirlpool & Kenmore Dryers - 6 Pack 1

    PERFECT FIT

    BlueStars 3977393 Dryer Thermal Fuse replaces part numbers: #2651, 279816, 279816VP, 3399848, 3977393, AP3094244, PS334299.
  • 3977393 Dryer Thermal Fuse - For Whirlpool & Kenmore Dryers - 6 Pack 2

    PREMIUM QUALITY

    3977393 Dryer Thermal Fuse is made from durable high-quality metal that REACTS QUICKLY TO OVERHEATING, ensuring long-lasting and effective operation
  • 3977393 Dryer Thermal Fuse - For Whirlpool & Kenmore Dryers - 6 Pack 3

    SAVING SOLUTION

    Enjoy the great feeling when your dryer is repaired and works properly like before - BlueStars brings DIY solutions to help you deal with any trouble.
  • 3977393 Dryer Thermal Fuse - For Whirlpool & Kenmore Dryers - 6 Pack 4

    SIMPLE INSTALLATION

    3977393 Dryer Thermal Fuse is straightforward to attach, load, and use. Only a quarter-inch nut driver and a flathead screwdriver needed.
ECONOMICAL DIY REPAIR

ECONOMICAL DIY REPAIR

Enjoy the comfort that our thermal fuse brings into your dryer - BlueStars provides DIY solutions to help you deal with any troubles

Compatible Models

Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering

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Color
White / Gray
Material
Ceramic / Metal
Trip Temperature
309°F (L309F, Non-Resettable)
Product Dimensions
1-1/4 x 1-1/4 x 2-3/16 inches

FAQs

This thermal fuse is compatible with dryers manufactured by Whirlpool, Kenmore, Maytag, Roper, KitchenAid, Kirkland, and Estate. It replaces OEM part numbers 3977393, WP3977393, 3399848, 279816, AP3094244, and AH334299.
The most common symptom is a dryer that runs but fails to produce heat, or a dryer that will not start at all. If the thermal fuse has blown, the electrical circuit is broken as a safety precaution. You can confirm this by testing the fuse for continuity using a multimeter; if there is no continuity, the fuse must be replaced.
A thermal fuse is designed to blow when the dryer reaches an unsafe operating temperature. The most frequent cause is restricted airflow, typically due to a clogged dryer vent, a blocked lint screen, or a buildup of lint within the dryer's internal exhaust system. Always inspect and clean your venting system before installing a new fuse to prevent the new part from failing immediately.
Installation is generally straightforward and typically takes 15 to 30 minutes. You will primarily need a quarter-inch nut driver or a screwdriver to remove the dryer's back or front panel, depending on your specific model. Ensure the dryer is unplugged from the power source before beginning any work.
Yes. Because a blown fuse is often a symptom of an underlying airflow issue, it is highly recommended to clean your dryer vent ducting thoroughly. Additionally, check the blower wheel for obstructions and ensure the cycling thermostat is functioning correctly, as a faulty thermostat can cause the dryer to overheat and trigger the thermal fuse.