Mdb7749wba2 Parts

The Electronic Control Board is an OEM part for Whirlpool dishwashers. It manages and regulates the dishwasher's various functions, including the wash cycles, water temperature, and timing.

You should replace the electronic control board if it becomes faulty. Causes of a bad control board can include electrical surges, moisture damage, or wear and tear over time. These factors can lead to malfunctioning or failure of the control board, impacting the dishwasher's performance.

Symptoms of a bad electronic control board include:

• Dishwasher not starting or stopping mid-cycle
• Inconsistent wash cycles
• Error codes displayed on the control panel
• Failure to properly heat water or drain

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

This is one half of the silver basket. For a complete basket you will need to order two(2).

This upper rack wheel assembly helps the dishwasher's upper dishrack roll in and out smoothly. Replacing a worn wheel restores proper rack movement and prevents jamming that can stress the adjuster and rails.

• Allows the upper rack to glide smoothly on the rail
• Helps correct a sticking, wobbly, or uneven upper rack
• Can reduce grinding or squeaking noises when sliding the rack
• Address difficulty fully extending or retracting the upper rack

• Disconnect power and turn off water before servicing
• Pull the upper rack out; release the rack end stops as directed in your model's service info
• Swap the old wheel assembly for the new one; ensure it locks securely to the rack or adjuster
• Reinstall end stops and test rack travel before restoring power

The Hex-Head Screw is an OEM replacement part for use in Whirlpool dishwashers. This metal screw measures approximately ¾ inch long. Its primary purpose is to secure the dispenser bracket in place, ensuring stable operation. This hex-head screw is designed for use with compatible hexagonal tools. This makes installation and removal straightforward. This part is sold individually and is guaranteed to fit your dishwasher door panel. This screw is compatible with select Whirlpool brand models including Amana, Crosley, Estate, Inglis, Jenn Air, Kenmore, Kitchen Aid, and Maytag.

The Power Cord Kit is an OEM replacement part for Whirlpool dishwashers. It is a 3-prong grounded, 16-gauge cord that includes all the hardware needed for installation. Includes all hardware needed for installation.

Causes of a bad power cord can include normal wear and tear over years of use, accidental impacts or cuts to the wiring, or improper installation that damages components.

Symptoms of a bad power cord include:

• The dishwasher not turning on or completing cycles
• Warm or hot power cords during operation
• Frayed, cracked, or exposed copper wiring

This is a genuine Whirlpool OEM replacement this part is also compatible with Maytag, Jenn-Air, and some Kenmore models.

This factory screw secures appliance components. It restores a tight, reliable hold when the original hardware is stripped, missing, or corroded—helping prevent vibration and keeping panels and brackets properly aligned.

• Provides threaded fastening for panels, brackets, covers, or internal components
• Replaces worn, rusted, stripped, or missing hardware
• Helps reduce vibration and rattling from loose parts
• Restores proper alignment and a secure fit of attached parts

• Disconnect power; turn off water supply before service
• Note original screw location and retain any spacers or clips for reassembly
• Start threads by hand to avoid cross-threading
• Tighten snugly; do not overtighten to prevent stripping

Quantity of ONE. Size: 8-18 x 5/8 inch. (#8 screw, 18 threads per inch, 5/8 inch long)

This power cord connects your appliance to a household outlet. Replacing a worn or damaged cord restores safe, reliable power and can help resolve no-power or intermittent power issues caused by a compromised lead.

• Delivers electrical power from the outlet to the appliance
• Replaces cords with cracked, frayed, or heat-damaged insulation or a damaged plug
• Helps when the unit won't power on or loses power when the cord is moved
• Addresses visible scorching, arcing, or melting on the cord or plug

• Disconnect power before servicing; verify no voltage is present
• Note wire positions or take a photo before removal; match to the same terminals on install
• Use the proper strain relief/clamp and route away from sharp edges, moving parts, and heat sources
• Confirm the ground connection is secure; do not modify the plug

Color: Grey. 4oz bottle with brush used for touching up damage to your dishracks. For blue use W10840471. For white use WP676453. For tips use 676458.

Color: White

This is the user-facing control panel for your appliance. Replacing a worn or damaged panel restores clear labeling and dependable button selection so you can choose cycles and options as intended. What it does:

• Provides the button interface to select cycles and options
• Sends user inputs to the appliance's control system
• Protects and finishes the console/door area
• Common symptoms: unresponsive or intermittent buttons, cracked or loose panel, worn or unreadable labels, stuck keys

• 1 control panel

• Disconnect power to the appliance before servicing
• Remove inner/console screws to release the old panel; note screw locations
• Carefully transfer any clips, brackets, or nameplates from the old panel
• Reconnect any ribbon cables/connectors straight and fully seated; avoid pinching during reassembly

This electronic control board is the appliance's central controller. It interprets user inputs and sensor feedback to run cycles and coordinate components. Replacing a failed board can restore proper operation and responsive controls. What it does:

• Manages the timing and sequence of operations based on selected settings
• Interprets signals from the user interface and internal sensors
• Directs power to components via onboard electronics
• Monitors system status and may store/output diagnostic error codes
• Common failure symptoms: won't start, unresponsive or blank display, stuck/erratic cycles, or recurring error codes after a power reset

• Disconnect power to the appliance before servicing; verify no voltage is present
• Use ESD protection and handle the PCB by edges only
• Photograph/label connectors and move them one at a time to the new board to prevent miswiring
• Inspect wiring, fuses, and related components for shorts or damage and correct any root cause before powering the new board; follow the unit's tech sheet for any required post-install setup

Color: White. 4oz bottle with brush used for touching up damage to your dishracks. For blue use W10840471. For grey use WP676455. For tips use 675679

Color: Black

Color: Black - For White order WPW10401479 and for Bisque order W10401480.

This factory-specified screw secures panels, brackets, and internal components in your appliance. Replacing worn or missing hardware restores a tight fit to help reduce vibration, noise, and premature wear.

• Fastens sheet metal, brackets, or plastic parts as designed by the manufacturer
• Helps maintain alignment and reduce vibration/rattling
• Direct replacement for stripped, corroded, or missing screws
• Common signs: loose panels or trim, shifting components, screw won't tighten

• Disconnect power; shut off water or gas supply if applicable
• Use the correct driver to avoid stripping the head
• Start threads by hand to prevent cross-threading; tighten snugly without overtightening
• Replace one-for-one in the original location per service information