WD19X25278 Dishwasher Diverter Valve Kit for General Electric GE Dishwashers

WD19X25278 / WD18X21678 Dishwasher Diverter Valve Kit

Key Features

• Intelligent Water Distribution: Engineered as a high-precision flow control device that directs pressurized water to either the upper, middle, or lower spray arms, ensuring optimized cleaning performance and water efficiency for every cycle.
• High-Torque Synchronous Motor: Features a reinforced internal motor designed to provide consistent, high-torque rotation, preventing the diverter disk from jamming even when small food particles or mineral scale are present in the sump.
• Precision-Molded Diverter Disk: Manufactured from a high-density, heat-stabilized polymer that maintains its structural integrity and sealing properties through thousands of "Sani-Rinse" and "Extra Dry" cycles.
• Moisture-Sealed Electrical Connector: Includes a specialized multi-pin connector housing designed to resist corrosion and electrical shorting in the high-humidity environment beneath the dishwasher tub.

Replaces / Cross-Reference Part Numbers

• AP6871922
• PS12710077
• WD18X21678
• WD19X25259
• WD00X25260
• 4922277

Compatibility & Fitment

This diverter valve kit is the standard replacement for most GE-manufactured dishwashers produced after 2015. Key compatible series include:

• GE & GE Profile: Fits hundreds of GDF, GDT, GDW, and PDT series models (e.g., GDT695SSJ2SS, GDT580SSF0SS, PDT845SSJ0SS).
• GE Café & Monogram: Compatible with various CDT and ZDT high-end units utilizing the WD19X25278 diverter style.
• Hotpoint & Haier: Fits many HDF and QDT series models produced by GE.
• Note: This valve is typically located at the Bottom of the Sump Assembly, often requiring the removal of the lower kickplate or tilting the unit for access.

When to Replace

• One Spray Arm Not Spinning: The dishwasher runs, but dishes on the top or bottom rack remain dirty because the diverter is stuck and not sending water to that specific spray arm.
• "H2O" or "71" Error Codes: Modern GE dishwashers may trigger a "71" or flow-related error code when the control board senses the diverter motor is not reaching its home position.
• Loud Clicking or Grinding: A persistent mechanical clicking noise from beneath the dishwasher suggests the diverter motor gears are stripped or the disk is jammed.
• Dishwasher Stops Mid-Cycle: The unit begins the wash phase but stops and beeps when it cannot successfully switch water flow between zones.
• Leaking from Sump Base: Visible water dripping from the center of the diverter motor shaft area, indicating the internal seal has failed.

Installation Tips

• Safety First: You MUST unplug the dishwasher or turn off the circuit breaker. This repair involves working directly with 120V electrical connectors and water-carrying components beneath the unit.
• Access the Diverter: Most technicians find it easiest to access the diverter by removing the lower kickplate and the bottom pan (if equipped). In some cases, you may need to uninstall the dishwasher and tilt it onto its back.
• The "Drip" Check: Before removing the old valve, place a towel underneath the sump. A small amount of water will leak out when the diverter is pulled from its housing.
• Check the Shaft Seal: When installing the new WD19X25278, ensure the rubber shaft seal is seated perfectly. If it is pinched or misaligned, the dishwasher will leak from the sump during operation.
• Clean the Sump: While the diverter is out, check the sump hole for seeds, toothpicks, or glass shards. Debris is the #1 cause of diverter disk jams and motor failure.