Whirlpool Microwave Parts

Genuine Whirlpool part

Whirlpool Outer Case (Black)

By: Whirlpool

Part Number: 4359804

$153.25

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Whirlpool Outer Case (Stainless Steel)

By: Whirlpool

Part Number: 4359853

$172.95

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Whirlpool Outer Case (White)

By: Whirlpool

Part Number: 4359881

$153.25

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A left-side base plate that restores proper support and alignment for the appliance cabinet, helping stop rattles and ensuring correct panel fit. Designed to replace a damaged or bent left base plate quickly and reliably. What it does:

Provides structural support for the appliance's left lower cabinet area to maintain correct panel alignment
Replaces bent, cracked, or corroded base plate sections that cause gaps, rubbing, or vibration
Helps restore secure mounting points for adjacent panels and components
Reduces rattling and movement that can occur from a damaged base plate

What's included: One left side base plate Install notes:

Basic mechanical skills and common hand tools required
Disconnect power and water before beginning work
Handle edges carefully; fasten with manufacturer-specified screws and torque where provided
If mounting holes or adjacent brackets are damaged, inspect and replace as needed before installing

$78.95

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Whirlpool Base Plate (Right)

By: Whirlpool

Part Number: 4359922

This right-side base plate replaces a worn or damaged support panel to restore proper alignment and stability to the appliance's lower assembly. Durable stamped metal designed to fit factory mounting locations. What it does:

Supports and secures the appliance's lower cabinet or base assembly to prevent gaps and misalignment
Restores correct panel alignment that can cause rubbing, rattling, or uneven operation
Provides a stable mounting surface for adjacent trims and components
Helps maintain cabinet rigidity after impact or corrosion-related wear

What's included: One right-side base plate Install notes:

Disconnect power to the appliance before starting any repair
Basic hand tools (screwdrivers, nut drivers) are typically needed to remove the lower access panel and fasten the replacement plate
Retain existing mounting hardware when possible; replace with manufacturer-specified screws if corroded
Follow the manufacturer's service manual for disassembly and reassembly steps to avoid damage

$78.95

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Whirlpool Outer Case (Biscuit)

By: Whirlpool

Part Number: 4359941

This outer case (biscuit) is the appliance's exterior cabinet panel that protects internal components and provides a finished appearance. Replacing a damaged or worn outer case restores safe enclosure and a clean look. What it does:

Covers and protects internal parts from dust, moisture, and accidental contact
Restores the appliance's exterior appearance when the old case is dented, cracked, or discolored
Helps maintain correct airflow and component alignment by providing the designed cabinet shape
Reduces vibration noise by securing panels that dampen movement

What's included:

1 outer case (biscuit) cabinet panel

Install notes:

Disconnect power (and water, if applicable) before beginning any repair
Use appropriate tools and keep fasteners organized; some models require removing the front or top panel to access mounting screws
Handle edges carefully to avoid cuts and to prevent scratching the finish
Follow the appliance manufacturer's model-specific service instructions for safe removal and replacement

$221.44