Parts for Maytag MDB7749SBB0: 03 - Inner Door Parts

The Affresh Dishwasher Cleaner is an OEM accessory designed specifically for Whirlpool brand dishwashers. This citrus-scented tablet removes residue, odor-causing soils, and food particles from the dishwasher tub and gasket area during the cleaning cycle. Symptoms of a buildup include unwanted odors emanating from the dishwasher, especially after opening the door. Over time, residue and grime accumulate in hard-to-reach areas and provide an environment for mold and mildew growth.

Regular cleaning helps prevent this by removing leftover soils before they harden or encourage bacterial activity. The Affresh tablet utilizes a unique blend of cleaning ingredients that target soils and biofilms through a combination of powerful scrubbing action and natural cleaning enzymes.

As the #1 recommended dishwasher cleaner brand, Affresh is also compatible for use in Maytag, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and select Kenmore dishwashers for consistent cleanliness and freshness. The package includes six tablets 4.2 ounces

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

The Detergent Dispenser Bracket is an OEM replacement part for Whirlpool dishwashers. Located inside the dishwasher tub along the edge, this bracket securely holds the entire detergent dispenser assembly in place. 

Causes of a bad bracket may be normal wear and tear over time, damage from overloading dishes, or accidental impact affecting the integrity of the plastic.

Symptoms of a bad detergent dispenser bracket include:

• Loose or unstable detergent dispenser  
• Detergent not dispensing or leaking
• Clanking noises coming from inside the tub
• Visible cracks, breaks, or deformations in the bracket 

This OEM Whirlpool part is also compatible with KitchenAid, Jenn-Air, Amana, and some Kenmore and Maytag models.

The Lower Door Seal is an OEM replacement part for Whirlpool refrigerators. It plays a crucial role in maintaining the proper seal between the refrigerator door and the cabinet, ensuring energy efficiency and consistent temperature control.

Causes of needing to replace the lower door seal can include normal wear and tear over time, exposure to extreme temperatures or UV light, or physical damage due to impact or mishandling.

Symptoms of a faulty lower door seal include:

• Difficulty in closing the refrigerator door properly
• Visible gaps or gaps around the door seal area
• Condensation buildup or frost formation around the door seal
• Increased energy consumption due to inefficient sealing

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

This Barrier protects and separates appliance components, keeping wiring and parts properly aligned for reliable operation. It's a simple, durable replacement that restores the original spacing and support inside the appliance. What it does:

• Provides a stable mounting/separation surface to prevent rubbing or contact between parts
• Helps maintain correct component alignment to reduce vibration and noise
• Prevents wiring or small parts from contacting hot or moving components
• Common symptom: visible cracks, breaks, or shifted parts where components no longer sit securely

• One barrier as shown

• Disconnect power to the appliance before servicing to avoid electrical shock
• Remove any panels or covers that block access; keep track of fasteners
• This part typically installs with screws or snap-fit tabs—do not force components

The Dispenser is an OEM part for Whirlpool dishwashers. It is responsible for releasing detergent and rinse aid during the washing cycle. This dispenser ensures that the right amount of cleaning agents is dispensed at the appropriate times, contributing to effective cleaning and rinsing of your dishes.

Causes of a bad dispenser can include clogging due to detergent buildup, mechanical failure of the dispenser door or latch, or electronic malfunction that prevents proper operation. Regular maintenance can help prevent these issues, but over time, parts may still wear out and need replacement.

Symptoms of a bad dispenser include:

• Improper dispensing of detergent or rinse aid
• Dishwasher leaving spots or residue on dishes
• Dispenser door not opening during the cycle
• Leaks or drips from the dispenser area

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

The Affresh Dishwasher Cleaner is an OEM accessory designed specifically for Whirlpool brand dishwashers. This citrus-scented tablet removes residue, odor-causing soils, and food particles from the dishwasher tub and gasket area during the cleaning cycle. Symptoms of a buildup include unwanted odors emanating from the dishwasher, especially after opening the door. Over time, residue and grime accumulate in hard-to-reach areas and provide an environment for mold and mildew growth.

Regular cleaning helps prevent this by removing leftover soils before they harden or encourage bacterial activity. The Affresh tablet utilizes a unique blend of cleaning ingredients that target soils and biofilms through a combination of powerful scrubbing action and natural cleaning enzymes.

As the #1 recommended dishwasher cleaner brand, Affresh is also compatible for use in Maytag, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and select Kenmore dishwashers for consistent cleanliness and freshness. The package includes six tablets 4.2 ounces

This dispenser cover is the replacement lid for a washer dispenser assembly, restoring a secure, functional cover that keeps detergent and fabric softener contained until the wash cycle. It helps prevent spills and keeps the dispenser looking finished. What it does:

• Replaces a cracked, warped, or missing dispenser lid so the dispenser closes properly
• Helps contain detergent and softener to prevent drips and spills onto the washer top
• Restores a flush, finished appearance to the dispenser area
• Works with the dispenser housing to ensure proper release of cleaning agents during cycles

• Disconnect power and water supply before servicing the washer
• Replacement typically installs with clips or screws; keep original fasteners and note their placement
• Handle plastic parts carefully to avoid cracking; align tabs before snapping into place

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

This wire harness connects and routes power and signals between key components, restoring proper electrical connections so your appliance can operate reliably. Designed to replace a damaged or frayed harness assembly. What it does:

• Provides secure electrical connections between control, motor and other appliance components
• Restores interrupted power or signal paths that can cause intermittent operation or failure to start
• Helps eliminate shorts caused by damaged, burnt or corroded wiring
• Matches OEM connector configurations for a direct-fit replacement

• One complete wire harness assembly as shown

• Disconnect power before beginning any repair to prevent shock or injury
• Inspect connectors and mounting points; secure the harness away from heat and moving parts
• Compare the new harness to the original to confirm connector locations before installation

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.

This inner door seal forms a moisture barrier between the dishwasher tub and the door assembly, helping keep wash water and steam contained. Replacing a worn seal can stop drips at the door and protect internal components.

• Seals the joint along the inner door to contain wash water and steam
• Helps prevent door-area leaks or drips during cycles
• Blocks moisture from entering the door cavity where electrical parts reside
• Common signs: water at the bottom/sides of the door, damp control area, visible wear/flattening or tears on the seal

• Disconnect power and turn off water supply before servicing
• Open the door and remove perimeter screws to separate inner/outer door panels
• Remove the old seal; clean the mounting surface and note seal orientation
• Press the new seal firmly into place, reassemble, and run a leak check

The Affresh Dishwasher Cleaner is an OEM accessory designed specifically for Whirlpool brand dishwashers. This citrus-scented tablet removes residue, odor-causing soils, and food particles from the dishwasher tub and gasket area during the cleaning cycle. Symptoms of a buildup include unwanted odors emanating from the dishwasher, especially after opening the door. Over time, residue and grime accumulate in hard-to-reach areas and provide an environment for mold and mildew growth.

Regular cleaning helps prevent this by removing leftover soils before they harden or encourage bacterial activity. The Affresh tablet utilizes a unique blend of cleaning ingredients that target soils and biofilms through a combination of powerful scrubbing action and natural cleaning enzymes.

As the #1 recommended dishwasher cleaner brand, Affresh is also compatible for use in Maytag, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and select Kenmore dishwashers for consistent cleanliness and freshness. The package includes six tablets 4.2 ounces