Installation Location: Inside the dishwasher door at the detergent and rinse-aid dispensing position
Function: Meters detergent during the wash cycle and stores/releases rinse aid for compatible dishwasher programs.
Critical Fit / Identification Details: Detergent and rinse-aid dispenser with mechanical rinse-aid indicator. On service replacements, older 2-wire sensor-harness connections are not used.
What This Listing Includes: One genuine OEM WP8558129 dishwasher detergent & rinse-aid dispenser assembly as supplied for the manufacturer service application; adjacent parts/hardware are not included unless specifically stated.
Model Evidence Note: Verified representative models. Model examples are not exhaustive. Always match the complete model number, including suffix/revision where present, against manufacturer service information.
Correct Part / Compatibility Check: Verify the complete appliance model number, exact manufacturer part number, installation position and all critical fit/identification details. Do not rely on appearance alone.
Distinguish From Similar Parts: Do not confuse with the detergent cup lid alone, rinse-aid cap, door harness or electronic control.
Possible Related Symptoms / Reasons to Inspect: Physical damage, wear, leakage, abnormal operation or a model-specific diagnostic traced to this component after related systems are checked.
Important Safety / Service Note: Disconnect appliance power before service and follow the manufacturer service procedure for the exact model. Use qualified service where required.
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.
Critical Fit Details: Detergent and rinse-aid dispenser with mechanical rinse-aid indicator. On service replacements, older 2-wire sensor-harness connections are not used.