Whirlpool & Kenmore Dryer Thermal Cut-Off Kit Parts — Models & Compatibility

When your Whirlpool or Kenmore dryer won't heat or runs dangerously hot, the thermal cut-off is usually the culprit. This safety device shuts down heating when temperatures spike beyond safe limits — and once it trips, you'll need to replace it. The 279769 thermal cut-off kit works across dozens of Whirlpool, Kenmore, KitchenAid, and Roper models, making it one of the most universal dryer safety parts you can install.

Is This the Right Part for Your Model?

Check your dryer's model number before ordering. You'll find it on a sticker inside the door opening or on the back panel near the power cord. This kit replaces part numbers AP3094224, 3977394, 3389946, and 3398671, and it's compatible with electric and gas dryers across multiple brands. If your model number matches the list below, you've got the right part.

About This Replacement Part

The thermal cut-off is a one-time safety fuse that permanently opens when your dryer overheats — usually due to restricted airflow or a failed heating element. If your dryer suddenly stops heating mid-cycle or won't heat at all, this is often the first component to check. On the flip side, if your dryer's running too hot and scorching clothes, a faulty cut-off that hasn't tripped yet could be allowing dangerous temperatures. This kit includes the thermal cut-off and necessary hardware. You'll need a nutdriver and screwdrivers, and most people complete the install in 15-30 minutes. It's rated as an easy repair, and you don't need to disassemble the entire dryer — just remove the rear or front panel depending on your model.

Compatible Whirlpool & Kenmore Models

This thermal cut-off kit works with these dryer models:

• LT7000XVW0 (Whirlpool)
• LTE6234AW1 (Whirlpool)
• LTE6234DQ3 (Whirlpool)
• GEW9868KQ4 (Whirlpool)
• 3LER5434BN1 (Whirlpool)
• 3LER5434BW1 (Whirlpool)
• WGD5000DW (Whirlpool)
• WGD4815EW (Whirlpool)
• NGD4655EW (Whirlpool)
• MGDC215EW (Whirlpool)
• MGDX655DW (Whirlpool)
• WET3300SQ0 (Whirlpool)
• 110.69822801 (Kenmore)

This part fits many more models beyond what's listed here. Cross-reference your model number with the complete compatibility list on the product page to confirm fitment.

Common Symptoms & Diagnosis

You'll know you need this part when your dryer exhibits these failures:

• Not Heating: The drum spins, but clothes come out cold and damp. This is the most common sign of a blown thermal cut-off.
• Too Hot: Clothes are scorching or the dryer exterior feels dangerously hot. The cut-off might be failing to trip when it should.

Before replacing the thermal cut-off, always check your dryer vent for blockages. A clogged vent restricts airflow and causes overheating — if you don't fix the root cause, the new cut-off will blow again within weeks.

Installation Overview

This repair takes 15-30 minutes and requires basic tools: a nutdriver and screwdrivers. Most DIYers rate it as easy. You'll disconnect power, remove the dryer's rear or front panel (model-dependent), locate the old thermal cut-off near the heating element or blower housing, disconnect the wires, unbolt the old part, and install the new one. One customer noted they "followed the installation instructions to install the thermal cut-off" without issues — the kit includes everything you need.

Why This Part Fails

Thermal cut-offs don't wear out gradually — they fail suddenly when temperatures exceed their design limit, usually around 185-220°F depending on the model. The most common cause is a clogged dryer vent forcing hot air back into the cabinet. Other triggers include a stuck heating element relay, failed cycling thermostat, or simply running the dryer with the vent hose disconnected. Once the cut-off trips, it's done — there's no reset button. You replace it, then fix whatever caused the overheat in the first place.

Order Your Replacement Kit

The 279769 thermal cut-off kit includes the safety fuse and mounting hardware. It's a direct OEM-quality replacement for Whirlpool, Kenmore, KitchenAid, and Roper dryers. Order now and get your dryer heating safely again.