XPARTCO 3977393 Dryer Thermal Cut Off (309°F) – Compatible with Whirlpool, Maytag & Kenmore Dryers
Product Description
Protect your dryer from overheating with the XPARTCO 3977393 Dryer Thermal Cut Off (309°F). This high-quality aftermarket replacement is a critical safety component designed to permanently interrupt power to the heating circuit if temperatures exceed 309°F (154°C).
A blown thermal cut off can result in no heat. Replacing it with this reliable XPARTCO component helps restore safe operation and prevent further damage to heating elements or internal components.
XPARTCO provides cost-effective aftermarket appliance parts engineered to match original fit and performance.
Replaces Part Numbers
3977393, AP3094244, PS334299, EAP334299
Compatibility
This replacement dryer thermal cut off fits select Whirlpool, Maytag, Kenmore (Whirlpool-manufactured), Amana, Estate, and Roper dryers.
Commonly installed on the heater housing assembly.
Always verify your dryer’s model number before ordering.
Contact our support team if you’re unsure.
✅ Key Features
-
🔄 Aftermarket Replacement – Matches OEM temperature rating and fit
-
🌡️ 309°F (154°C) Cut-Off Rating – Designed for high-heat safety protection
-
🛡️ Prevents Overheating Damage – Protects heating element and dryer components
-
🧩 Direct-Fit Design – Installs easily without modification
-
💰 Cost-Effective Repair – Affordable alternative to OEM thermal cut offs
📐 Product Specification
-
Part Number: 3977393
-
Component Type: Dryer Thermal Cut Off
-
Temperature Rating: 309°F (154°C)
-
Function: One-time over-temperature safety cutoff
-
Mounting: Screw-mounted
-
Application: Dryer heater housing assembly
-
Quality Level: Aftermarket replacement (not OEM)
🛠️ Installation Notes
Tools Needed: Phillips screwdriver, nut driver
⚠️ Safety First: Unplug the dryer before servicing to avoid electrical shock.
Basic Steps:
-
Disconnect dryer power.
-
Remove rear panel to access heater housing.
-
Locate and disconnect the old thermal cut off.
-
Remove mounting screws and install the new XPARTCO 3977393 cut off.
-
Reconnect wiring and reassemble the dryer.
-
Restore power and test operation.
⏱️ Time Required: 20–30 minutes
📦 Shop With Confidence
Restore dryer safety and prevent overheating — Add to Cart Now for a dependable, budget-friendly repair!
