Dishwasher Float Switch WD21X479

Name: Dishwasher Float Switch WD21X479
Brand: GE
SKU: WD21X479

Brand: GE · Appliance: Dishwasher · Fits: 67 models · Reference price: $71.26

WD21X479 is a GE replacement part (dishwasher float switch) for dishwashers. Our fitment data lists 67 models that use it.

When to replace this part

Controls, timers and wiring

Symptom: A cycle that stops partway through, an error code or blinking light, or the unit not starting at all.

Check: Look for burn marks or a burnt smell near the board or terminals, and check whether buttons and knobs respond -- a unit that powers on but won't cycle often traces back to this group.

Models that use this part

Showing 60 of 67 confirmed models, models with their own parts page first.
Model	Brand	Appliance	Parts on file
ZBD3000R35BW	GE	Dishwasher	166
GSD5124D01BB	GE	Dishwasher	154
GSD2800P45	GE	Dishwasher	149
GSC3200G00WW	GE	Dishwasher	145
GSD2400N00WW	GE	Dishwasher	143
GSD2200F01WH	GE	Dishwasher	141
HDA3400G02BB	Hotpoint	Dishwasher	136
GSD2600G02CC	GE	Dishwasher	134
GSD3340D35SA	GE	Dishwasher	124
36314072795	Kenmore	Dishwasher	120
GSD3620Z05BB	GE	Dishwasher	120
GSD900L-02	GE	Dishwasher	120
GSD980T-62WW	GE	Dishwasher	118
36314081991	GE	Dishwasher	104
GSM2200V50WW	GE	Dishwasher	104
GSD1100N10WW	GE	Dishwasher	103
GSD500T-55BA	GE	Dishwasher	97
GSD4800G00BB	GE	Dishwasher	94
PSD2220Z00BB	GE	Dishwasher	91
GSD2200D05	GE	Dishwasher	87
GSD1236T64WW	GE	Dishwasher	84
GSD1380X72WW	GE	Dishwasher	83
HDA300Y-72BA	Hotpoint	Dishwasher	82
HDA2030Z00WW	Hotpoint	Dishwasher	75
GSD2200G02WW	GE	Dishwasher	72
GSD1120R45	GE	Dishwasher	68
GSD1130P25WA	GE	Dishwasher	67
GSD2400G04	GE	Dishwasher	67
GSD3200J00WW	GE	Dishwasher	67
HDA2000G02WW	Hotpoint	Dishwasher	67
GSD1000M20	GE	Dishwasher	66
GSD2200G00WW	GE	Dishwasher	66
GSM2100Z04WH	GE	Dishwasher	66
3631402592	Kenmore	Dishwasher	65
HDA2000V00WW	Hotpoint	Dishwasher	63
HDA1200G00WW	Hotpoint	Dishwasher	62
HDA2000G00WW	Hotpoint	Dishwasher	61
GSD1130L20	GE	Dishwasher	60
GSD2800L01	GE	Dishwasher	55
GSD700T-64BA	GE	Dishwasher	49
GSD806T-64BA	GE	Dishwasher	49
GSD830T-64WW	GE	Dishwasher	49
GSD880T-64WW	GE	Dishwasher	49
GSD850T-64	GE	Dishwasher	48
3631434195	Kenmore	Dishwasher	40
DDW650WW-55	Modern Maid	Dishwasher	39
3631434194	Kenmore	Dishwasher	37
GSD4335Z02WW	GE	Dishwasher	137
GSD4500G00BB	GE	Dishwasher	135
GSD3800G00CC	GE	Dishwasher	123
GSD4030Z04WW	GE	Dishwasher	122
GSD5400G02WW	GE	Dishwasher	112
GSD5630D00WW	GE	Dishwasher	109
ZBD3500Z00BB	GE	Dishwasher	87
GSD4110Y70AA	GE	Dishwasher	84
36314071791	Kenmore	Dishwasher	79
3631404897	Kenmore	Dishwasher	77
GSD3400G00WW	GE	Dishwasher	70
GSD4030Z02WW	GE	Dishwasher	56
18985	Whirlpool	Dishwasher	55

Part numbers it replaces

The manufacturer lists WD21X479 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

Replacement video

A technician's video showing how to replace part WD21X479. Plays from YouTube when you click.

Other parts for model ZBD3000R35BW

If you are repairing that appliance, these are the most model-specific parts on file for the same model.

Reference price and where to compare

The reference price on file for this part is $71.26. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare WD21X479 listings on Amazon

Before you order

Model lookup tool