Whirlpool Inline thermal fuse / wall-range safety thermal fuse WP4451042, Replaces 4451042, 4450814

Whirlpool OEM, nonresettable inline oven thermal fuse located in the vent area. Rated at approximately 230°F (110°C), with unequal female spade terminals measuring approximately 1/4 inch and 3/16 inch. The fuse protects the oven from overheating or an electrical short.

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✅ Cross Reference Information

Common Symptoms

• Oven control/display is dead
• Oven will not heat
• Oven shuts off after an overheating event, including possible self-clean operation
• Thermal fuse shows an open circuit

Check Before Replacing

• Disconnect electrical power at the breaker before accessing the fuse.
• Visually inspect the fuse and its terminals for damage, discoloration, or loose connections.
• With power disconnected, test continuity across the fuse using a multimeter; an open circuit indicates a blown fuse, but does not by itself identify the underlying overheating cause.
• Verify that the replacement fuse is the correct WP4451042 part and that its unequal terminal sizes match the appliance wiring.
• Do not bypass or short the fuse during testing or operation.

Pro Tip

Part Details

Key Features

• Whirlpool genuine OEM part
• 230°F (110°C) approximate opening rating
• Nonresettable inline oven thermal fuse
• Located in the oven vent area
• Unequal insulated female spade terminals: approximately 1/4 inch and 3/16 inch
• Protects against overheating or an electrical short

Installation Notes

• Disconnect power at the house circuit breaker before installation.
• Access is through the oven/vent-area assembly and may require appliance disassembly; follow the model-specific service documentation.
• Transfer the wires to the corresponding terminal sizes and ensure the connections are secure.
• Install only the specified replacement fuse; do not bypass, reset, or substitute an unverified fuse.
• Restore power and verify normal oven operation after reassembly.

Verified Compatible Models

GBD277PDB0, GBD277PDB1, GBD277PDB3, GBD277PDQ0, GBD277PDQ2, GBD277PDQ3, GBD277PDS1, GBD277PDS2, GBD277PDS3, GBD307PDB1, GBD307PDB2, GBD307PDQ0, GBD307PDQ1, GBD307PDQ2, GBD307PDS1

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.