Parts for LET6638AW0 — Whirlpool Dryer

We found 100 parts confirmed to fit the Whirlpool Dryer LET6638AW0.

Compatibility table

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 LET6638AW0: W11178667 (BULKHEAD), 279173 (Push To Start Switch Kit), 686889 (PAD), WP3403636 (Drum Baffle - Short), KA00002 (Vacuum Battery Pack), 98460 (Washer Push Nut), WP357213 (Nut-Push-In), 279318 (Terminal and Wire Kit), 49621 (Leveling Foot), 693062 (Element), 242303001 (Refrigerator Air Damper Control Assembly), WP72107 (Refrigerator Touch Up Paint), 350956 (Spray - Almond), 350938 (Spray Paint Flo-Coat - Gray - 12 ounces), 660982 (Element), 3388235 (Dryer Motor Switch).

Controls, timers and wiring

Symptom: A cycle that doesn't advance, an unresponsive display, or the dryer 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 LET6638AW0: WP3957752 (Dryer Timer Knob), 279320 (Terminal Block), WP98997 (Wire Harness Clip), WP3976569 (Dryer Timer), 316455420 (Frigidaire Range Oven Control Board 316455420), 279872 (Timer Power Resistor).

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 LET6638AW0: WP695737 (Inner Door Panel - White), WPW10139210 (Commercial Laundry Appliance Screw), W11252547 (CLIP), WP3388703 (Support), WP694091 (Screw), WP688805 (Washer Knob Springclip), WP98234 (Clip, Ground), WP8066217 (Hinge), 3400500 (Cap Screw), WP98129 (Screw, 6-20 x 1 1/16), WP339956 (Dryer Lint Trap Housing Seal), WP348780 (Motor Mounting Bracket), W10850756 (SCREW), WPW10109200 (Dryer Screw), WP693995 (Screw), WP965173 (Screw), 3389901 (Support), WP681414 (Dryer Screw), WPW10041960 (Door Spring), WP8066057 (Dryer Hinge Left Side).

Venting and airflow

Symptom: A dryer that needs multiple cycles to dry, runs unusually hot, or repeatedly trips its heat-limit switch.

Check: Clear the lint screen and the full vent run to the outside wall -- a restricted vent is the single most common cause of long dry times and repeat thermal-fuse failures.

Parts in this group on LET6638AW0: WP349639 (Dryer Lint Filter), WPW10044480 (Dryer Lint Screen Hinge Left Side), WPW10044470 (Lint Screen Hinge).

Heat control (thermostats, fuses, heating element)

Symptom: The dryer runs but produces no heat, or it shuts off partway through the cycle.

Check: With the dryer unplugged, check continuity across the part with a multimeter -- no continuity means it has failed. Clear the lint vent first, since a blocked vent is what usually trips a thermal fuse in the first place.

Parts in this group on LET6638AW0: 279769 (Thermal Cut-Off Kit), WP3390291 (High Limit Thermostat), WP3387134 (Dryer Cycling Thermostat), WP3392519 (Dryer Thermal Fuse), WP4391960 (Dryer Heating Element).

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 LET6638AW0: WP8066184 (Motor Pulley - 60 Hz.), 279827 (Drive Motor with Pulley), WPW10359270 (Dryer Drum Roller Shaft Left Side), 349241T (Rear Drum Support Roller Kit), WP90296 (Dryer Support Roller Clip), WPW10512946 (Roller Support Tri-Ring), 3391888 (Drive Motor), 341241 (Multi Rib Belt - 92-1/4").

Door, lid switches and latches

Symptom: The dryer won't run, or stops, unless the door is fully latched shut.

Check: Listen for an audible click when the door closes. No click, or a visibly cracked plastic tab on the latch, points to this part.

Parts in this group on LET6638AW0: 279570 (Door Catch Kit).

Door and drum seals

Symptom: A drum seal that's worn through, letting the dryer pull in room air instead of pushing heated air through the load.

Check: Look for the drum seal fraying or missing where it meets the front or rear bulkhead -- worn felt or foam here is visible once the front panel is off.

Parts in this group on LET6638AW0: 279408 (Rear Drum Seal Kit).

Before you buy

Match LET6638AW0 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 dryers, the model and serial plate sits inside the door opening or behind the lint trap. 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 Dryer models

These model numbers sort next to this one in the catalog and are usually the same product family.

• LET6638AW1 — 22 parts
• LET6638AW2 — 20 parts
• LET6638DQ0 — 26 parts
• LET6638DQ1 — 23 parts
• LET6638DZ0 — 19 parts
• LET6638AQ2 — 20 parts
• LET6638AN2 — 22 parts
• LET6638AN1 — 23 parts
• LET6634DZ1 — 21 parts
• LET6634DZ0 — 21 parts

Still not sure?

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