Whirlpool
Countertop Microwave

Model #MT3100SHB0 Official Whirlpool microwave

Here are the diagrams and repair parts for Whirlpool MT3100SHB0 microwave, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

    Showing 10 of 73 parts

    Microwave Stirrer Fan Cover Clip#3

    Oven cavity Diagram

    Stirrer rivet

    Part #4359508
    Replaced by #WP4359508
    ?
    Manufacturer substitution
    This part replaces 4359508. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.69 | 
    13% OFF 
    Phone Price: $7.69
    Microwave Screw#15B

    Oven cavity Diagram

    Screw

    Part #8171876
    Replaced by #8169474
    ?
    Manufacturer substitution
    This part replaces 8171876. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.24
    Microwave Screw#16

    Oven cavity Diagram

    Screw

    Part #8171862
    Replaced by #8169474
    ?
    Manufacturer substitution
    This part replaces 8171862. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.24
    Microwave Door Primary Interlock Switch#4

    Latch board Diagram

    Switch

    Part #4158941
    Replaced by #4392027
    ?
    Manufacturer substitution
    This part replaces 4158941. Substitute parts can look different from the original.
    In Stock
    $69.11 | 
    20% OFF 
    Was: $86.39
    Microwave Screw#14

    Oven cavity Diagram

    Screw

    Part #4358188
    Replaced by #WP4158079
    ?
    Manufacturer substitution
    This part replaces 4358188. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.16
    Microwave Door Primary Interlock Switch#5

    Latch board Diagram

    Switch

    Part #4158769
    Replaced by #4392027
    ?
    Manufacturer substitution
    This part replaces 4158769. Substitute parts can look different from the original.
    In Stock
    $69.11 | 
    20% OFF 
    Was: $86.39
    Microwave High-Voltage Diode#8

    Oven interior Diagram

    Voltage wire

    Part #8171879
    Replaced by #WP8205489
    ?
    Manufacturer substitution
    This part replaces 8171879. Substitute parts can look different from the original.
    In Stock
    $30.69 | 
    14% OFF 
    Phone Price: $35.69
    SCREW

    See All Related Diagrams

    Microwave screw

    Part #4358489
    Replaced by #4344826
    ?
    Manufacturer substitution
    This part replaces 4358489. Substitute parts can look different from the original.
    In Stock
    $12.49
    Microwave Waveguide Cover#1

    Oven cavity Diagram

    Guide cover

    Part #8171983
    Replaced by #WPW10261216
    ?
    Manufacturer substitution
    This part replaces 8171983. Substitute parts can look different from the original.
    In Stock
    $34.19 | 
    13% OFF 
    Phone Price: $39.19
    Magnetron#13

    Oven interior Diagram

    Magnetron

    Part #8171901

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

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