Parts for 3970 — Craftsman

We found 17 parts confirmed to fit the Craftsman 3970.

Compatibility table

All 17 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
312331Brkt Lh2 models$8.99 · Amazon
312333Rbkt Rh Lh2 models$7.49 · Amazon
414290Cap Screw3 models$2.16 · Amazon
204114Home Electronics Coil4 models$18.49 · Amazon
418204Washer4 models$2.16 · Amazon
424023Clamp6 models$2.49 · Amazon
414548Cap Screw7 models$2.16 · Amazon
469003Wch Gd Assy10 models$11.99 · Amazon
408052Wcn Mtg Ch10 models$20.99 · Amazon
312332Brkt Rh Lh20 models$2.99 · Amazon
414314Cap Screw20 models$2.16 · Amazon
418198Lock Washer23 models$2.16 · Amazon
418218Lock Washer25 models$2.16 · Amazon
24924Agri-Fab Lawn Tractor Aerator Attachment Knife36 models$11.09 · Amazon
W10753070Dishwasher Run Capacitor43 models$113.65 · Amazon
WPW10185992Timer126 models$126.65 · Amazon
MHL62691504Refrigerator Glass Shelf223 models$54.04 · 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.

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 3970: 312331 (Brkt Lh), 312333 (Rbkt Rh Lh), 204114 (Home Electronics Coil), 418204 (Washer), 424023 (Clamp), 469003 (Wch Gd Assy), 408052 (Wcn Mtg Ch), 312332 (Brkt Rh Lh), 418198 (Lock Washer), 418218 (Lock Washer), 24924 (Agri-Fab Lawn Tractor Aerator Attachment Knife).

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 3970: 414290 (Cap Screw), 414548 (Cap Screw), 414314 (Cap Screw), MHL62691504 (Refrigerator Glass Shelf).

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 3970: W10753070 (Dishwasher Run Capacitor), WPW10185992 (Timer).

Before you buy

Match 3970 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.