W11551558 Microwave Interlock
W11551558 Microwave Interlock
W11551558 Microwave Interlock
W11551558 Microwave Interlock

Whirlpool Microwave Upper Door Interlock Switch Assembly W11551558, Replaces W11433682

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MICROWAVE DOES NOT START EVEN THOUGH THE DISPLAY AND INTERIOR LIGHT OPERATE

Whirlpool Microwave Upper Door Interlock Switch Assembly W11551558, Fixes Microwave does not start even though the display and interior light operate

Whirlpool OEM upper interlock assembly (includes switches) for microwave door-safety operation. It prevents the microwave from starting when the door is open.

Part W11551558Replaces W11433682Whirlpool
Guaranteed to Fit — or your money back.
Confirm your full appliance model number before ordering. XPart Supply helps customers match replacement parts using model compatibility, old part numbers and manufacturer supersessions.

Is This the Right Part?

Part NumberW11551558
ReplacesW11433682
ManufacturerWhirlpool
Appliance TypeMicrowave
Part TypeUpper Door Interlock Switch Assembly

✅ Cross Reference Information

Current Part NumberW11551558
ReplacesW11433682

Common Symptoms

  • Microwave will not start with the door closed.
  • Operation starts only after the door is opened and closed repeatedly.
  • Door-related error indication may appear.
  • Microwave may fail to recognize that the door is securely closed.

Check Before Replacing

  • Unplug the microwave before inspecting the door, latch hooks, and interlock area.
  • Confirm the door closes fully and that the latch hooks are not visibly cracked, loose, or obstructed.
  • Check for visible damage, looseness, or misalignment around the upper interlock assembly and door-latch area.
  • If qualified and following the appliance-specific technical documentation, check the interlock switches for correct continuity with power disconnected; do not operate the microwave with covers removed.
  • If the microwave ever runs with the door open, stop using it immediately and disconnect it from power; do not attempt further operation until professionally inspected.

Pro Tip

Because microwave door interlocks and shielding require post-repair safety testing, replacement should be performed or verified by a qualified appliance service technician.

Part Details

Part NumberW11551558
Part TypeUpper Door Interlock Switch Assembly
ManufacturerWhirlpool
Appliance TypeMicrowave
Primary FunctionActs as the microwave’s upper door-safety interlock, using its included switches to permit operation only when the door is properly closed and latched.

Installation Notes

  • Disconnect electrical power before service.
  • Verify the replacement against the appliance model and parts diagram before installation.
  • Install the assembly so the door-latch mechanism engages the interlock switches correctly.
  • After replacement, the microwave door interlock and shielding should be safety-tested before the appliance is returned to service.
  • Do not operate the microwave with the cabinet or door-safety components improperly installed.

Verified Compatible Models

AMV2307PFB4, AMV2307PFB5, AMV2307PFB6, AMV2307PFB7, AMV2307PFS4, AMV2307PFS5, AMV2307PFS6, AMV2307PFS7, AMV2307PFW4, AMV2307PFW5, AMV2307PFW6, AMV2307PFW7, UMV1160CB8, UMV1160CS9, UMV1160CW8, UMV1170LB0, UMV1170LB00, UMV1170LB02, UMV1170LB03, UMV1170LB04, UMV1170LS0, UMV1170LS00, UMV1170LS02, UMV1170LS03, UMV1170LS04, UMV1170LW0, UMV1170LW00, UMV1170LW03, UMV1170LW04, WMH31017HB4, WMH31017HB5, WMH31017HB6, WMH31017HB7, WMH31017HB08, WMH31017HB09, WMH31017HB10, WMH31017HS4, WMH31017HS5, WMH31017HS6, WMH31017HS7, WMH31017HS8, WMH31017HS09, WMH31017HS9, WMH31017HS10, WMH31017HS11, WMH31017HS12, WMH31017HW4, WMH31017HW09, WMH31017HW10, WMH31017HW11

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

✅Compatibility & Cross Reference

W11433682

AMV2307PFB4, AMV2307PFB5, AMV2307PFB6, AMV2307PFB7, AMV2307PFS4, AMV2307PFS5, AMV2307PFS6, AMV2307PFS7, AMV2307PFW4, AMV2307PFW5, AMV2307PFW6, AMV2307PFW7, UMV1160CB8, UMV1160CS9, UMV1160CW8, UMV1170LB0, UMV1170LB00, UMV1170LB02, UMV1170LB03, UMV1170LB04, UMV1170LS0, UMV1170LS00, UMV1170LS02, UMV1170LS03, UMV1170LS04, UMV1170LW0, UMV1170LW00, UMV1170LW03, UMV1170LW04, WMH31017HB4, WMH31017HB5, WMH31017HB6, WMH31017HB7, WMH31017HB08, WMH31017HB09, WMH31017HB10, WMH31017HS4, WMH31017HS5, WMH31017HS6, WMH31017HS7, WMH31017HS8, WMH31017HS09, WMH31017HS9, WMH31017HS10, WMH31017HS11, WMH31017HS12, WMH31017HW4, WMH31017HW09, WMH31017HW10, WMH31017HW11

W11551558, Whirlpool, Upper Door Interlock Switch Assembly, Microwave, W11433682, AMV2307PFB4, AMV2307PFB5, AMV2307PFB6, AMV2307PFB7, AMV2307PFS4, AMV2307PFS5, AMV2307PFS6, AMV2307PFS7, AMV2307PFW4, AMV2307PFW5, AMV2307PFW6, AMV2307PFW7, UMV1160CB8, UMV1160CS9, UMV1160CW8, UMV1170LB0, UMV1170LB00, UMV1170LB02, UMV1170LB03, UMV1170LB04

Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.

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