Parts for AA5421 — Whirlpool Washer
We found 16 parts confirmed to fit the Whirlpool Washer AA5421.
Same parts list as AA3410 (Whirlpool Washer). AA5421 shares an identical confirmed parts list with AA3410 (Whirlpool Washer). 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 AA5421.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| 29728 | Speed Queen Insert | 28 models | — |
| WPW10139757 | Dryer Nut | 30 models | $7.47 |
| WP40063401 | Hex Screw | 30 models | $44.23 |
| WP37366 | Idler Pulley Spring | 30 models | $9.62 |
| WP40008301 | Lock Nut Spline Insert | 30 models | $9.62 |
| WP40004201P | Main Tub Bearing Assembly | 30 models | $65.73 |
| WP23748 | Retaining Ring | 30 models | $12.85 |
| WP26594P | Silicone Grease - 2oz Tube | 30 models | $50.56 |
| WP40004001 | Upper/Lower Bearing | 30 models | $66.77 |
| WP28808 | V-Style Drive Belt (32.5 inches long) | 30 models | $57.38 |
| 28102 | Panel | 31 models | $8.55 |
| 495P3 | Speed Queen Seal Kit | 42 models | — |
| 30071P | Drive Bell | 56 models | — |
| 33748 | Hose Clamp | 93 models | — |
| 20409 | Foot | 207 models | — |
| 28605 | Washer | 426 models | — |
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.
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 AA5421: 29728 (Speed Queen Insert), WPW10139757 (Dryer Nut), WP40008301 (Lock Nut Spline Insert), WP40004201P (Main Tub Bearing Assembly), WP23748 (Retaining Ring), WP40004001 (Upper/Lower Bearing), 495P3 (Speed Queen Seal Kit), 30071P (Drive Bell), 33748 (Hose Clamp), 20409 (Foot), 28605 (Washer).
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 AA5421: WP40063401 (Hex Screw), WP26594P (Silicone Grease - 2oz Tube), 28102 (Panel).
Drive system (belts, pulleys, motors)
Symptom: A drum or tub that won't turn, a burning-rubber smell, or a loud thump or squeal during a cycle.
Check: With power off, turn the drum or tub by hand -- resistance or grinding points to the motor or a bearing, and a cracked, glazed, or snapped belt is visible once the cabinet is open.
Parts in this group on AA5421: WP37366 (Idler Pulley Spring), WP28808 (V-Style Drive Belt (32.5 inches long)).
Before you buy
Match AA5421 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 washers, the model and serial plate sits under the lid or on the back panel. 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 Washer models
These model numbers sort next to this one in the catalog and are usually the same product family.
Other models with this exact parts list
Each model below is confirmed to share the identical compatible-parts list with this one.
Still not sure?
Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.