Parts for RM280PXBQ2 — Whirlpool Microwave
We found 16 parts confirmed to fit the Whirlpool Microwave RM280PXBQ2.
Same parts list as RM280PXBB3 (Whirlpool Microwave). RM280PXBQ2 shares an identical confirmed parts list with RM280PXBB3 (Whirlpool Microwave). 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 RM280PXBQ2.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| 4174873 | Oven Light | 48 models | $12.73 · Amazon |
| 4365522 | Switch | 56 models | $84.43 · Amazon |
| 308544 | Range Screw | 126 models | $5.87 · Amazon |
| 3149653 | Range Oven Temperature Limit Switch | 135 models | $55.11 · Amazon |
| 3169203 | Wall Oven Door Inner Glass | 350 models | $69.01 · Amazon |
| 307986 | Hinge Pin | 393 models | $10.14 · Amazon |
| WP3169203 | Range Inner Door Glass | 554 models | $76.20 · Amazon |
| WP308180 | Oven Bake Element 2600w 240v | 704 models | $44.23 · Amazon |
| 258076 | Terminal Block | 750 models | $23.06 · Amazon |
| W11758174 | SCREEN - LINT. ALPHA | 797 models | $57.38 · Amazon |
| 486146 | Screw | 904 models | $10.70 · Amazon |
| WP112432 | Range Hex Nut | 1,064 models | $7.47 · Amazon |
| 3147845 | Broiler Pan | 1,272 models | $35.21 · Amazon |
| 3147563 | Grid Pan | 1,376 models | $21.99 · Amazon |
| 343641 | Screw | 1,748 models | $94.96 · Amazon |
| 311255 | Light Bulb | 5,384 models | $14.25 · 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.
Interior lighting
Symptom: The interior light doesn't turn on when the door opens.
Check: Confirm power is reaching the socket, then check the door-activated light switch before assuming the bulb itself is at fault.
Parts in this group on RM280PXBQ2: 4174873 (Oven Light), 311255 (Light Bulb).
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 RM280PXBQ2: 4365522 (Switch), 3149653 (Range Oven Temperature Limit Switch), 3169203 (Wall Oven Door Inner Glass), WP3169203 (Range Inner Door Glass), WP308180 (Oven Bake Element 2600w 240v), W11758174 (SCREEN - LINT. ALPHA), WP112432 (Range Hex Nut).
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 RM280PXBQ2: 308544 (Range Screw), 307986 (Hinge Pin), 486146 (Screw), 3147845 (Broiler Pan), 3147563 (Grid Pan), 343641 (Screw).
Controls, timers and wiring
Symptom: A cycle that doesn't advance, an unresponsive display, 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.
Parts in this group on RM280PXBQ2: 258076 (Terminal Block).
Before you buy
Match RM280PXBQ2 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 microwaves, the model and serial plate sits inside the door frame. 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 Microwave 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.