Whirlpool Refrigerator Door Mullion Rail (Gray) W11177238, Replaces W11128563, W10153704, WPW10153704, 12732508AP

Genuine Whirlpool gray refrigerator door mullion rail/mullion-heater assembly. It serves as the vertical divider between refrigerator doors and works with the flipper seal to aid sealing to the cabinet.

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✅ Cross Reference Information

Common Symptoms

• Center refrigerator-door seal does not close properly.
• Door mullion rail or its mounting tab/hinge is cracked or broken.

Check Before Replacing

• Inspect the mullion rail, top tab, hinge area, and center mounting area for visible cracks or breakage.
• With both refrigerator doors closed, check whether the center mullion aligns and the doors seal properly at the center.

Pro Tip

Part Details

Key Features

• Gray-color refrigerator door mullion rail.
• Genuine Whirlpool OEM part.
• Also cataloged by Whirlpool as a refrigerator door mullion-heater assembly.

Installation Notes

• Disconnect power before servicing this mullion-heater assembly.

Verified Compatible Models

596.79553010, 596.79553011, 59679553010, 59679553011, JFC2290REM00, JFC2290REM02, JFC2290REM03, JFC2290REM04, JFC2290REM05, JFC2290REP00, JFC2290REP02, JFC2290VEM1, JFC2290VEM2, JFC2290VEM3, JFC2290VEM4, JFC2290VEM5, JFC2290VEM6, JFC2290VEM7, JFC2290VEM8, JFC2290VEP1, JFC2290VEP2, JFC2290VEP3, JFC2290VEP4, JFC2290VEP5, JFC2290VEP6, JFC2290VEP7, JFC2290VEP8, JFC2290VEP10, JFFCF72DKL00, JFFCF72DKL01, JFFCF72DKL04, JFFCF72DKL05, JFFCF72DKL07, JFFCF72DKM00, JFFCF72DKM01, KFCP22EXMP1, KFCP22EXMP2, KFCP22EXMP3, KFCP22EXMP4, KFCP22EXMP5, KFCS22EVBL00, KFCS22EVBL1, KFCS22EVMS00, KFCS22EVMS1, KFCS22EVMS2, KFCS22EVMS3, KFCS22EVMS4, KFCS22EVMS5, KFCS22EVMS6, KFCS22EVMS7, KFCS22EVMS8, KFCS22EVWH00, KFCS22EVWH1, KRFC302EBL00, KRFC302EBS00, KRFC302EBS02, KRFC302ESS00, KRFC302ESS02, KRFC302ESS03, KRFC302EWH00

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