Whirlpool Refrigerator Defrost bi-metal thermostat and wire harness assembly W10482187

Bi-metal defrost thermostat wire harness assembly used in select Whirlpool-manufactured built-in refrigerators.

Is This the Right Part?

Common Symptoms

• No-defrost condition associated with an open, damaged, or disconnected harness or thermostat assembly.
• Intermittent defrost operation caused by damaged wiring or poor electrical connections.

Check Before Replacing

• With power disconnected, visually inspect the harness for broken, pinched, burned, or corroded wiring and loose connectors.
• Verify that the replacement part number and connector configuration match the appliance model before installation.
• Use the appliance’s wiring diagram and appropriate electrical test procedure to check continuity; do not bypass the defrost safety circuit.

Pro Tip

Part Details

Key Features

• OEM Whirlpool part number W10482187.
• Listed as “Harness, Bi-Metal Wire” in Whirlpool repair-parts documentation.
• The original part has been superseded by W11676572.

Installation Notes

• Disconnect electrical power before servicing the refrigerator.
• Install only after confirming model-specific fit and connector arrangement.
• Restore wiring and connectors to their original routing and positions; do not modify or bypass the defrost circuit.

Verified Compatible Models

DYF42BIWS00, DYF42BNDI00, DYF48BIWS00, DYF48BNDI00, JS42NXFXDE00, JS42NXFXDE01, JS42NXFXDW04, JS42NXFXDW05, JS42NXFXDW10, JS42PPDUDB15, JS42PPDUDB16, JS42PPDUDB20, JS42PPDUDE00, JS42PPDUDE01, JS42SEDUDW14

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