Parts for 386DX25 — Cumulus

We found 22 parts confirmed to fit the Cumulus 386DX25.

Compatibility table

All 22 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
RRT5Expansion TankThis model only$98.49 · Amazon
275341SGasketThis model only$11.21 · Amazon
78103YH5610INLET (NPT1This model only$99.52 · Amazon
6689396Shaft Set AsThis model only$74.25 · Amazon
TRR581TransformerThis model only$48.49 · Amazon
2030041120meg Hrd D2 models$36.99 · Amazon
9020349386DX/25 MOTHERBOARD2 models$49.49 · Amazon
650007880mb Ide Drv2 models$19.99 · Amazon
9020350PCB IDE/FLOPPY /IO BOARD2 models$40.00 · Amazon
347885Proform Treadmill Resistance Cord2 models$66.31 · Amazon
9090247WORKBOX PLUS USER'S GUIDE2 models$7.00 · Amazon
6250207MGV256 X 8 X 8ONS SIMM MODULES3 models$24.00 · Amazon
6290151ADAPTER BRACKET FOR 5.25" FD3 models$20.50 · Amazon
6370020KEYBOARD 101 SE-JIN4 models$58.50 · Amazon
9090119MS-WINDOWS 3.0 MANUAL4 models$10.50 · Amazon
9020338B-PCB ASSY VIDEO BOARD 800 X 6005 models— · Amazon
65000873.5 1.44MB FLOPPY9 models$81.49 · Amazon
6370010B MOUSE - 2 BUTTON9 models$24.00 · Amazon
EAU60784228LG Refrigerator Auger Motor39 models$202.20 · Amazon
W11126814Range Oven Control Board (Black)48 models$243.27 · Amazon
WPW10276341Refrigerator Shelf Frame with Glass740 models$159.59 · Amazon
NPBASE COVER (TOP AND BASE COVERS ARE AVAILABLE IN TWO, NON-COMPATIBLE TYPES. TO REPLACE, ORDER THE PART NUMBER THAT COINCIDES WITH THE SERIAL NUMBER LOCATED ON THE SPINWRITER FRAME.)6,676 models— · 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.

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 386DX/25: RRT5 (Expansion Tank), 6290151 (ADAPTER BRACKET FOR 5.25" FD), WPW10276341 (Refrigerator Shelf Frame with Glass), NP (BASE COVER (TOP AND BASE COVERS ARE AVAILABLE IN TWO, NON-COMPATIBLE TYPES. TO REPLACE, ORDER THE PART NUMBER THAT COINCIDES WITH THE SERIAL NUMBER LOCATED ON THE SPINWRITER FRAME.)).

Door and drum seals

Symptom: A door or drum seal that has lost its grip, letting water or conditioned air escape past it.

Check: Inspect the seal for tears, flattening, or gaps, and check it against your model's part number before ordering.

Parts in this group on 386DX/25: 275341S (Gasket).

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 386DX/25: 78103YH5610 (INLET (NPT1), 6689396 (Shaft Set As), TRR581 (Transformer), 2030041 (120meg Hrd D), 9020349 (386DX/25 MOTHERBOARD), 6500078 (80mb Ide Drv), 9020350 (PCB IDE/FLOPPY /IO BOARD), 347885 (Proform Treadmill Resistance Cord), 9090247 (WORKBOX PLUS USER'S GUIDE), 6250207MGV (256 X 8 X 8ONS SIMM MODULES), 6370020 (KEYBOARD 101 SE-JIN), 9090119 (MS-WINDOWS 3.0 MANUAL), 9020338 (B-PCB ASSY VIDEO BOARD 800 X 600), 6500087 (3.5 1.44MB FLOPPY), 6370010 (B MOUSE - 2 BUTTON), EAU60784228 (LG Refrigerator Auger Motor).

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 386DX/25: W11126814 (Range Oven Control Board (Black)).

Before you buy

Match 386DX25 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

Check inside a door opening, on a back or side panel, or behind a removable panel or drawer for a label printed with the model and serial number. 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.

Still not sure?

Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.