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Countertop Microwave

Model # MT4078SPQ0 Official Whirlpool countertop microwave

Here are the diagrams and repair parts for Official Whirlpool MT4078SPQ0 countertop microwave, as well as links to manuals and error code tables, if available.

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Browse Parts forMT4078SPQ0 Microwaves

  • Turntable Motor 8184375
    #11

    Oven cavity parts diagram

    Turntable motor

    Part #8184375

    The manufacturer no longer makes this part, and there's no substitute part

  • Support 4359723
    #8

    Oven cavity parts diagram

    Support

    Part #4359723

    $41.73
    In Stock
  • Fan Blade 8184292
    #1

    Oven interior parts diagram

    Fan blade

    Part #8184292

    $45.18
    In Stock
  • Microwave Screw 4358489
    Microwave screw

    Part #4358489

    Replaced by #4344826

    ?
    Manufacturer substitution
    This part replaces 4358489. Substitute parts can look different from the original.
    $17.60
    In Stock
  • Screw 4358192
    Screw

    Part #4358192

    Replaced by #W11380570

    ?
    Manufacturer substitution
    This part replaces 4358192. Substitute parts can look different from the original.
    This item is not returnable
    $18.19 | 
    10% OFF Phone Price : $20.19
    In Stock
  • Microwave High-voltage Diode 8205489
    #8

    Oven interior parts diagram

    Microwave high-voltage diode

    Part #8205489

    Replaced by #WP8205489

    ?
    Manufacturer substitution
    This part replaces 8205489. Substitute parts can look different from the original.
    $43.32 | 
    12% OFF Phone Price : $49.32
    In Stock
  • Switch 8184285
    #3

    Latch board parts diagram

    Switch

    Part #8184285

    Replaced by #4392027

    ?
    Manufacturer substitution
    This part replaces 8184285. Substitute parts can look different from the original.
    $65.65 | 
    8% OFF Phone Price : $71.65
    In Stock
  • Switch 8184286
    #4

    Latch board parts diagram

    Switch

    Part #8184286

    Replaced by #4392027

    ?
    Manufacturer substitution
    This part replaces 8184286. Substitute parts can look different from the original.
    $65.65 | 
    8% OFF Phone Price : $71.65
    In Stock
  • Electronic Control 8205473
    #6

    Control panel parts diagram

    Electronic control

    Part #8205473

    Replaced by #WP8205473

    ?
    Manufacturer substitution
    This part replaces 8205473. Substitute parts can look different from the original.
    $207.91
    In Stock
  • Baseless Lamp 4359165
    #11

    Oven interior parts diagram

    Baseless lamp

    Part #4359165

    The manufacturer no longer makes this part, and there's no substitute part

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