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Whirlpool MT4078SPB4 compact microwave Parts

Name: Whirlpool MT4078SPB4 Parts | Diagrams, Manuals, Installation guides | Sears PartsDirect
Brand: Whirlpool
SKU: MT4078SPB4
Availability: InStock

Here are the diagrams and repair parts for Whirlpool MT4078SPB4 compact microwave, as well as links to manuals and error code tables, if available.

Installation guide

Owner’s manual

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Browse Parts for MT4078SPB4 Microwaves

Oven cavity parts diagram
Turntable Motor
Part #8184375
The manufacturer no longer makes this part, and there's no substitute part
Base plate parts diagram
Foot Base
Part #8184385
In Stock
$39.21
Qty
Oven interior parts diagram
Microwave Screw
Part #4358489
Replaced by #4344826
Manufacturer substitution
This part replaces 4358489. Substitute parts can look different from the original.
In Stock
$38.27
Qty
Latch board parts diagram
Switch
Part #8183562
Replaced by #4392027
Manufacturer substitution
This part replaces 8183562. Substitute parts can look different from the original.
In Stock
$84.43
7% OFF Phone Price : $90.43
Qty
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.
In Stock
$45.00
12% OFF Phone Price : $51.00
Qty
Oven cavity parts diagram
Screw
Part #4358188
Replaced by #WP4158079
Manufacturer substitution
This part replaces 4358188. Substitute parts can look different from the original.
In Stock
$26.13
Qty
Latch board parts diagram
Switch
Part #8183561
Replaced by #4392027
Manufacturer substitution
This part replaces 8183561. Substitute parts can look different from the original.
In Stock
$84.43
7% OFF Phone Price : $90.43
Qty
Oven cavity parts diagram
Screw
Part #4358362
Replaced by #W11245710
Manufacturer substitution
This part replaces 4358362. Substitute parts can look different from the original.
This item is not returnable
In Stock
$18.61
10% OFF Phone Price : $20.61
Qty
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.
In Stock
$279.75
Qty
Base plate parts diagram
Trim Kit (white)
Part #MK1074XHQ
The manufacturer no longer makes this part, and there's no substitute part