Whirlpool Refrigerator door mullion / mullion heater assembly (RAIL-MULLN) W11176246, Replaces W10752974

Gray refrigerator door mullion assembly used between adjoining doors; the assembly includes the mullion heater function.

Is This the Right Part?

Common Symptoms

• Visible damage to the door mullion
• Mullion is missing
• Mullion does not pivot or align correctly when the door is opened or closed
• Door closure or sealing problems associated with a damaged mullion

Check Before Replacing

• Inspect the mullion for cracks, breakage, or missing components.
• Open and close the refrigerator door and confirm that the mullion pivots and aligns correctly.
• Check whether the mullion is securely attached and allows the doors to close properly.

Pro Tip

Part Details

Key Features

• Genuine Whirlpool-manufactured OEM part
• Gray color
• Manufacturer description: RAIL-MULLN
• Replaces W10752974

Installation Notes

• Disconnect electrical power before servicing the refrigerator.
• The documented replacement procedure includes disconnecting the mullion wire connector, positioning the new mullion on its tabs, securing it, and checking that it pivots properly.
• Use caution because the assembly has an electrical connection and the door area may present shock, sharp-edge, and water hazards.

Verified Compatible Models

KRMF706EBS00, KRMF706EBS01, KRMF706EBS04, KRMF706EBS05, KRMF706ESS00, KRMF706ESS01, KRMF706ESS02, KRMF706ESS04, KRMF706ESS05, KRMF706ESS06

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