Mdb7749sbm Parts

This interconnect jumper wire restores a direct electrical connection between control components so your appliance can communicate and operate correctly. It replaces a damaged or broken harness jumper to help recover lost functions. What it does:

• Carries low-voltage signals between control boards, switches, or sensors
• Replaces frayed, broken, or burned jumper leads that cause intermittent operation
• Commonly used when controls fail to respond, cycles stop, or displays/indicators behave erratically
• Maintains original routing and connector fit to preserve factory wiring layout

• One interconnect jumper wire

• Disconnect power to the appliance before servicing to avoid shock or damage
• Verify connector orientation and seat firmly; avoid forcing mismatched plugs
• Route away from heating elements and moving parts; secure with existing clips or ties

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

This plate-latch strike secures the appliance door by engaging the latch assembly so the door stays closed during operation. It replaces a worn or damaged strike to restore proper door closure and reliable operation. What it does:

• Provides a sturdy contact point for the door latch to engage and hold the door closed
• Helps prevent the door from popping open during use, which can cause cycle interruption
• Addresses symptoms like a door that won't stay latched, won't close fully, or causes the unit to stop mid-cycle
• Works as the mating strike for the existing latch assembly to ensure proper alignment

• One plate-latch strike

• Disconnect power to the appliance before beginning any repair
• Access the strike by opening the door; remove any trim or screws as needed to reach the strike mounting location
• Install replacement in the same orientation as the original and tighten fasteners securely without over-torquing
• After installation, verify the door latches smoothly and the appliance completes its normal cycle

Color: White. Size: 1 qt. can. Acrylic appliance paint.

This spacer fits between tank components to maintain proper spacing and alignment, helping reduce vibration and wear. Use this genuine replacement to restore correct clearances and improve stability in the appliance's tank assembly. What it does:

• Positions and separates tank parts to maintain correct alignment during operation
• Helps reduce noise and vibration caused by misaligned components
• Prevents metal-to-metal contact that can cause premature wear or damage
• Restores factory clearances after service or replacement of tank parts

• One spacer

• Designed for direct replacement; use the OEM mounting location and orientation
• Disconnect power and water (if applicable) before beginning repair
• If fasteners or surrounding components are worn or damaged, replace them to ensure a secure fit

Color: Black

A small metal spacer plate used to position and support nearby components for correct alignment and clearance. Replaces a worn or missing spacer to restore proper fit and reduce rubbing or vibration. What it does:

• Holds components at the correct distance to prevent contact or interference
• Maintains alignment of panels or assemblies for reliable operation
• Helps stop vibration-related noise caused by loose or misaligned parts
• Preserves sealing/fit where precise spacing is required

• Disconnect power before servicing to avoid shock or injury
• Handle sharp sheet-metal edges carefully and wear gloves
• Install in the same orientation as the original; secure with the factory fasteners
• Do not force or overtighten fasteners—ensure proper alignment before fully torquing

A replacement control bracket that secures the console/control assembly to the appliance frame so buttons, knobs and the control board stay properly aligned. Restores stable mounting and reduces rattling or misalignment. What it does:

• Holds the control panel/console in the correct position on the appliance frame
• Keeps the control board and user interface securely mounted to prevent movement
• Helps eliminate rattling, vibration noise or intermittent contact caused by loose mounting
• Provides the proper mounting points for screws and other fasteners

• One control bracket

• Disconnect power to the appliance before beginning any repair
• Remove the console or trim as needed to access the bracket; keep all screws and fasteners
• Secure with the original fasteners; do not overtighten
• If the control board or wiring is exposed, handle electronics carefully and avoid contact with conductive tools

Color: White

This replacement lower dishrack restores the main loading surface in your dishwasher so dishes sit securely and spray reaches them for better cleaning. It replaces a cracked, rusted, or misshapen rack to help protect dishes and keep loading organized. What it does

• Provides a stable platform to hold plates, bowls and cookware during wash cycles
• Maintains correct spacing so spray arms can reach all items for effective cleaning
• Replaces bent or rusted rack wires that can snag or chip dishes
• Helps keep utensil baskets and rollers aligned for smooth rack movement

• One lower dishrack

• Remove dishwasher racks and disconnect water/electric only if required by your model; most rack swaps are simple hand installs
• Inspect and transfer any rollers, clips, or utensil baskets from the old rack to the new one if needed
• Handle carefully to avoid wire ends that may be sharp; wear gloves if helpful
• If rails or rollers are damaged, replace those parts as well for proper rack operation

The Thermostat Housing is an OEM part for Whirlpool dishwashers. It encases the thermostat responsible for accurately monitoring water temperatures throughout cleaning cycles. 

Symptoms of a faulty housing include:

• Inconsistent or improper water heating  
• Delayed or incomplete cycles from temperature control issues
• Error codes or failure detection by the control board

Causes may involve cracks allowing steam penetration, loose mounting points compromising seals, or damaged seals leaking interior thermostat components. 

This OEM replacement fits Whirlpool, KitchenAid, Jenn-Air, and some Kenmore models as well.

Color: GREY