Parts for GDU4050XPW1 — Whirlpool Dishwasher
We found 21 parts confirmed to fit the Whirlpool Dishwasher GDU4050XPW1.
Same parts list as GDU4050XPW0 (Whirlpool Dishwasher). GDU4050XPW1 shares an identical confirmed parts list with GDU4050XPW0 (Whirlpool Dishwasher). That page is the canonical version of this parts list — use it if you want the primary reference, or stay here since the list below is exactly the same for GDU4050XPW1.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| 675659 | Dishwasher Door Seal | 172 models | $85.61 · Amazon |
| 9416643 | Screw | 247 models | $5.36 · Amazon |
| 300800 | Valve | 263 models | $13.61 · Amazon |
| 303539 | Impeller | 279 models | $139.16 · Amazon |
| WP8539066 | Dishwasher Basket Silverware | 286 models | $56.33 · Amazon |
| 4317933 | Tandem Rack Rollers - Set of 4 | 359 models | $29.47 · Amazon |
| 303510 | Impeller | 372 models | $179.99 · Amazon |
| 302718 | Dishwasher Chopper | 378 models | $109.81 · Amazon |
| 675544 | HOSE-DRAIN | 417 models | $69.91 · Amazon |
| 356138 | Hose Clamp | 564 models | $36.09 · Amazon |
| 4387043 | Detergent Dispenser Cover Kit | 615 models | $35.80 · Amazon |
| 675806 | Drain and Wash Impeller Kit | 834 models | $105.35 · Amazon |
| WP302711 | Dishwasher Pump Outlet Seal | 946 models | $25.75 · Amazon |
| W10311986 | Lower Dishrack Kit | 954 models | $188.90 · Amazon |
| 675238 | Drain Check Valve with O-Ring | 1,018 models | $49.50 · Amazon |
| 8193716 | Leveling Leg | 1,119 models | $48.45 · Amazon |
| 717273 | Dishwasher Heating Element Rubber Washer | 2,130 models | $4.95 · Amazon |
| 301958 | Clamp | 2,355 models | $5.68 · Amazon |
| 72032 | Touch-up Paint - Black | 42,936 models | $2.82 · Amazon |
| 350930 | Spray Paint - 12 oz. - White | 51,086 models | $9.21 · Amazon |
| 72017 | Touch-Up Paint - White | 62,774 models | $3.55 · Amazon |
Prices shown are an informational reference range only, not an offer or an Amazon price — RepairKitHub does not sell parts directly. Each part links to an Amazon search so you can compare current listings yourself.
Common failure areas on this model
The confirmed parts above group into a handful of failure areas. Here is what each points to and how to check it before you order anything.
Door and drum seals
Symptom: Water leaking out from around the door during or after a cycle.
Check: Check the door gasket for tears, flattening, or a section pulled loose from its channel, and confirm it seats evenly all the way around when the door is closed.
Parts in this group on GDU4050XPW1: 675659 (Dishwasher Door Seal).
Storage, trim and cosmetic hardware
Symptom: A cracked shelf, broken door bin, worn hinge, or missing trim piece -- cosmetic and storage wear rather than a functional breakdown.
Check: Match the physical dimensions and mounting tabs of the old part before ordering; these pieces are often model-specific even between visually similar models.
Parts in this group on GDU4050XPW1: 9416643 (Screw), 4387043 (Detergent Dispenser Cover Kit).
General hardware and mounting parts
Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.
Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.
Parts in this group on GDU4050XPW1: 300800 (Valve), 303539 (Impeller), WP8539066 (Dishwasher Basket Silverware), 303510 (Impeller), 302718 (Dishwasher Chopper), 675544 (HOSE-DRAIN), 356138 (Hose Clamp), 675806 (Drain and Wash Impeller Kit), WP302711 (Dishwasher Pump Outlet Seal), 675238 (Drain Check Valve with O-Ring), 8193716 (Leveling Leg), 301958 (Clamp), 72032 (Touch-up Paint - Black), 350930 (Spray Paint - 12 oz. - White), 72017 (Touch-Up Paint - White).
Dishrack hardware (rollers, wheels and tines)
Symptom: A dish rack that binds, drags, or comes off its rail track when you pull it in or out, or a rack with a cracked, loose, or missing wheel or tine.
Check: Pull the rack fully out and check each wheel or roller for a crack or a missing axle pin, and check that tines aren't snapped off or pushed out of alignment along the row.
Parts in this group on GDU4050XPW1: 4317933 (Tandem Rack Rollers - Set of 4), W10311986 (Lower Dishrack Kit).
Heat control (thermostats, fuses, heating element)
Symptom: Dishes don't dry at the end of the cycle, or a heated-dry setting doesn't seem to do anything.
Check: With the dishwasher unplugged, check continuity across the heating element or thermostat with a multimeter -- no continuity means it has failed.
Parts in this group on GDU4050XPW1: 717273 (Dishwasher Heating Element Rubber Washer).
Before you buy
Match GDU4050XPW1 exactly against the model and serial plate on the appliance itself before ordering anything — a single mismatched character can point to a different production run with different parts. Then check the part number printed or stamped on the part you are replacing against the part numbers in the table above; the printed number is the most reliable way to confirm fitment when a model has gone through multiple production runs. RepairKitHub does not sell parts directly — every part link above routes to an Amazon search for that part number so you can compare current listings and sellers yourself.
How to confirm this is your model
On most dishwashers, the model and serial plate sits on the edge of the door or the tub rim. Match every character exactly, including letters and dashes at the end — appliance model numbers often have similar prefixes but different suffixes for different production runs.
Neighbouring Whirlpool Dishwasher models
These model numbers sort next to this one in the catalog and are usually the same product family.
Still not sure?
Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.