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GE APPLIANCE WD21X34778 DISHWASHER CONFIGURED MAIN MACHINE CONTROL BOARD - GENUINE OEM PART

*All prices and availability are subject to change without notice. Errors and omissions excepted.

  • Description: GE Appliance WD21X34778 genuine OEM Dishwasher Configured Main Machine Control Board.
    Fits Brand: GE / HOTPOINT / HAIER / CAFE / MONOGRAM (MODEL-DEPENDENT)
    Manufacturer: GE APPLIANCE
    Manufacturer Part Number: WD21X34778
    OEM Status: Genuine OEM Part
    Product Type: Dishwasher Configured Main Machine Control Board
    Appliance / Application: Dishwasher
    Installation Location: At the model-defined electronic control / user-interface position.
    Function: Processes model-specific inputs and controls the associated appliance functions.
    Critical Fit / Identification Details: Electronic control: verify complete model, revision, connector layout, software/configuration and exact MPN.
    Manufacturer Part Numbers / Cross-References: WD21X34778, WD21X29518, WD21X29558, WD21X30699, WD21X30700, WD21X31838, WD21X31839, WD21X31840
    What This Listing Includes: One genuine OEM WD21X34778 dishwasher configured main machine control board as supplied for the manufacturer service application; adjacent parts, hardware or accessories are not included unless specifically stated.
    Representative Compatible Models: CDT875M5NBS5, CDT855M5N5S5, PDT775SBN5TS, PDT775SYN5FS
    Compatibility Basis: Part-specific compatible-model evidence; representative examples only
    Model Evidence Note: Representative compatible models are shown as positive examples, not a complete fit list. Verify the full appliance model number, including suffix/revision, against current manufacturer documentation or part-specific service information.
    Correct Part / Compatibility Check: Confirm the complete appliance model number (including suffix/revision where present) is explicitly associated with WD21X34778, or that the manufacturer model-specific parts diagram calls for WD21X34778. Also verify the exact installation position and critical fit details.
    Distinguish From Similar Parts: Do not confuse the main control, user-interface/display, relay board or configured control; connectors and programming can differ.
    Possible Related Symptoms / Reasons to Inspect: Inspect after model-specific diagnostics indicate a control/interface fault; symptoms alone do not prove the board is defective.
    Important Safety / Service Note: Disconnect appliance power before service. Handle electronic controls using appropriate static precautions and verify all connectors before restoring power.
    Ordering Note: Symptoms can identify a system to inspect, but they do not prove this specific component is defective. Confirm the OEM part number or model-specific parts diagram before ordering.
  • Specifications & Compatibility:

    • Manufacturer: GE APPLIANCE
    • Manufacturer Part Number: WD21X34778
    • OEM Status: Genuine OEM Part
    • Product Type: Dishwasher Configured Main Machine Control Board
    • Appliance / Application: Dishwasher
    • Installation Location: At the model-defined electronic control / user-interface position.
    • Cross-References: WD21X34778, WD21X29518, WD21X29558, WD21X30699, WD21X30700, WD21X31838, WD21X31839, WD21X31840
    • Critical Fit Details: Electronic control: verify complete model, revision, connector layout, software/configuration and exact MPN.