Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Whirlpool WED7120HW0 dryer Parts

Here are the diagrams and repair parts for Whirlpool WED7120HW0 dryer, as well as links to manuals and error code tables, if available.

Whirlpool WED7120HW0 dryer
By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for WED7120HW0 Dryer

  • Whirlpool Dryer Drum Support Roller for Whirlpool WED7120HW0 - Part WPW10314173

    Bulkhead parts diagram

    Dryer Drum Support Roller

    Part #W10314171

    Replaced by #WPW10314173

    Info Icon
    Manufacturer substitution
    This part replaces W10314171. Substitute parts can look different from the original.
    In Stock
    $12.31
    14% OFF Phone Price : $14.31Info Icon
    Minus Item
    Qty
    Plus Item
  • Dryer Heating Element By Whirlpool for Whirlpool WED7120HW0 - Part WP3387747

    Dryer heating parts-electric diagram

    Element, Heater 5400w

    Part #W11344457

    Replaced by #WP3387747

    Info Icon
    Manufacturer substitution
    This part replaces W11344457. Substitute parts can look different from the original.
    In Stock
    $70.80
    8% OFF Phone Price : $76.80Info Icon
    Minus Item
    Qty
    Plus Item
  • Whirlpool Dryer Idler Pulley for Whirlpool WED7120HW0 - Part W10837240

    Cabinet parts diagram

    Dryer Idler Pulley

    Part #W10547287

    Replaced by #W10837240

    Info Icon
    Manufacturer substitution
    This part replaces W10547287. Substitute parts can look different from the original.
    In Stock
    $21.07
    22% OFF Phone Price : $27.07Info Icon
    Minus Item
    Qty
    Plus Item
  • Dryer Idler Pulley for Whirlpool WED7120HW0 - Part W10468057

    Cabinet parts diagram

    Dryer Idler Pulley

    Part #W10468057

    The manufacturer no longer makes this part, and there's no substitute part

  • Whirlpool Dryer Thermistor for Whirlpool WED7120HW0 - Part WP8577274

    Bulkhead parts diagram

    Dryer Thermistor

    Part #8577274

    Replaced by #WP8577274

    Info Icon
    Manufacturer substitution
    This part replaces 8577274. Substitute parts can look different from the original.
    In Stock
    $32.49
    16% OFF Phone Price : $38.49Info Icon
    Minus Item
    Qty
    Plus Item
  • Whirlpool Dryer Drive Motor And Pulley for Whirlpool WED7120HW0 - Part 279787

    Cabinet parts diagram

    Drive Motor

    Part #W10396028

    Replaced by #279787

    Info Icon
    Manufacturer substitution
    This part replaces W10396028. Substitute parts can look different from the original.
    In Stock
    $194.74
    6% OFF Phone Price : $206.74Info Icon
    Minus Item
    Qty
    Plus Item
  • Dryer Thermal Fuse, 195-degree F for Whirlpool WED7120HW0 - Part W10909685

    Bulkhead parts diagram

    Thermal Fuse

    Part #W10693363

    Replaced by #W10909685

    Info Icon
    Manufacturer substitution
    This part replaces W10693363. Substitute parts can look different from the original.
    In Stock
    $40.71
    13% OFF Phone Price : $46.71Info Icon
    Minus Item
    Qty
    Plus Item
  • Dryer Drum Light Bulb for Whirlpool WED7120HW0 - Part WP22002263

    Bulkhead parts diagram

    Light Bulb

    Part #3406124

    Replaced by #WP22002263

    Info Icon
    Manufacturer substitution
    This part replaces 3406124. Substitute parts can look different from the original.
    In Stock
    $12.62
    14% OFF Phone Price : $14.62Info Icon
    Minus Item
    Qty
    Plus Item
  • Dryer Motor Pulley for Whirlpool WED7120HW0 - Part W10837625

    Cabinet parts diagram

    Dryer Motor Pulley

    Part #W10460106

    Replaced by #W10837625

    Info Icon
    Manufacturer substitution
    This part replaces W10460106. Substitute parts can look different from the original.
    In Stock
    $34.63
    15% OFF Phone Price : $40.63Info Icon
    Minus Item
    Qty
    Plus Item
  • Dryer Tri-ring Retainer for Whirlpool WED7120HW0 - Part WPW10512946

    Dryer Support Roller Tri-ring Washer

    Part #W10512946

    Replaced by #WPW10512946

    Info Icon
    Manufacturer substitution
    This part replaces W10512946. Substitute parts can look different from the original.
    In Stock
    $8.53
    10% OFF Phone Price : $9.53Info Icon
    Minus Item
    Qty
    Plus Item

Whirlpool Dryer WED7120HW0 FAQs

Yes. For Whirlpool dryer model WED7120HW0, searching by the full model number is the most accurate way to get compatible replacement parts because it matches your exact version and its parts list, diagrams, and serviceable components shown in the WED7120HW0 owner's manual.

How to search by model number (best practice)
  • Use the complete model number exactly as shown on the dryer’s model tag: WED7120HW0.
  • Match the part by name and part ID (not just a description).
  • Compare the part’s location using the dryer’s diagrams (drum area, blower housing, heater box, console).
  • If your symptom points to a wear item, confirm the related parts before ordering.
  • Keep your dryer’s fuel type in mind (gas vs. electric) because heating parts differ.
Common WED7120HW0 parts customers look up by model
Symptom or need Common part type Example part for this model
Squealing, thumping, rumbling Drum support and belt drive parts Dryer drum support roller WPW10314173
No heat or weak heat (electric) Heating circuit parts Element, heater 5400w WP3387747
Runs but takes too long to dry Airflow and lint path parts Lint screen, ducting, blower wheel
Overheats or shuts off Safety temperature parts Thermal fuse, high-limit thermostat
Why searching by model matters

Whirlpool often uses similar-looking parts across many dryers, but mounting points, wiring connectors, and kit contents can vary by model revision. Using WED7120HW0 ensures the part you choose is designed to fit and function correctly.

Quick safety reminder before you start a repair
  • Disconnect power before servicing.
  • If your dryer is a gas model, shut off the gas supply before moving or servicing.
  • Replace all panels and fasteners before operating.

Last updated: February 2026

A Whirlpool dryer typically lasts about 10 years. With consistent care (good airflow, regular lint removal, and prompt repair of wear parts), many dryers can reach 12 to 15 years of service. For your Whirlpool WED7120HW0, following the maintenance steps in the WED7120HW0 owner's manual helps maximize lifespan.

What affects dryer lifespan most
  • Vent restriction: long vent runs, too many elbows, or crushed/kinked ducting increase heat and run time.
  • Lint buildup: lint in the cabinet or exhaust vent raises operating temperatures and stress on components.
  • Wear parts: rollers, idler pulley, and blower wheel wear faster with heavy weekly loads.
  • Overloading: strains the drive motor, drum support system, and belt path.
  • Heat cycling: frequent overheating can shorten the life of the heater and safety thermostats.
Maintenance schedule we recommend (based on the manual)

The WED7120HW0 manual calls out specific care items that directly impact longevity.

Task How often Why it matters
Clean lint screen Every load Improves airflow and drying time
Remove lint from exhaust vent Every 2 years (or more with heavy use) Prevents long dry times and overheating
Remove lint inside dryer cabinet Every 2 years (or more with heavy use) Reduces heat stress on internal parts
Keep vent run short with few elbows At install and whenever moved Better performance and less wear
Parts that commonly wear out first

If you hear squealing, thumping, or the drum feels rough, these are common wear items on Whirlpool dryers:

Why it matters

A dryer that breathes well dries faster, runs cooler, and cycles heat normally. The WED7120HW0 manual notes that vent runs longer than the vent chart allows can reduce performance and can shorten dryer life, so airflow and vent design are key to getting the full expected lifespan.

Last updated: February 2026

Yes. A 7.4 cu. ft. dryer is considered a large-capacity size; for Whirlpool dryers like model WED7120HW0, anything above about 7.0 cu. ft. typically gives you more room for bulky loads (comforters, towels) and better tumbling for faster, more even drying. For cycle and load guidance, use the WED7120HW0 owner's manual.

What “7.4 cu. ft.” means in real use

A larger drum helps reduce overpacking, which improves airflow and drying performance.

  • Fits bulkier items more easily (blankets, comforters)
  • Helps clothes tumble instead of balling up
  • Can shorten dry times when the venting is good
  • Makes it easier to dry mixed loads (jeans plus shirts)
  • Still benefits from proper sorting and not overloading
Quick size comparison
Dryer capacity Common label Best for
6.0 to 6.9 cu. ft. Standard Smaller households, lighter loads
7.0 to 7.4 cu. ft. Large Most families, towels, bedding
7.5+ cu. ft. Extra-large Frequent bulky loads, large households
Why it matters (performance and efficiency)

Even with a large drum, drying speed depends heavily on airflow. If loads take too long, check lint buildup and vent length and elbows. Whirlpool venting guidance typically favors the straightest run possible and rigid metal ducting; excessive 90° turns can reduce performance.

If drying seems slow, check these first
  • Clean the lint screen every load (replace if damaged or warped)
  • Inspect the vent hood outside for a strong, steady exhaust flow
  • Reduce 90° elbows and avoid crushed or kinked ducting
  • Use rigid metal venting where possible
  • Consider checking the blower and temperature sensing if airflow and venting are good

If you’re troubleshooting airflow or heat issues on WED7120HW0, common related parts include the dryer blower wheel WP697772 and the dryer thermistor WP8577274.

Last updated: February 2026

Whirlpool tends to rank among the most reliable full-size dryer brands overall, with LG and GE also commonly rated well; Maytag is often close behind. For your Whirlpool WED7120HW0, reliability still depends heavily on installation, venting, and routine maintenance outlined in the WED7120HW0 owner's manual.

Practical reliability takeaways (what reduces problems most)
  • Keep the vent path short, smooth, and clear; restricted airflow is a top cause of overheating and shutdowns.
  • Clean the lint screen every load; replace a damaged screen to prevent lint bypass.
  • If the display shows “Check Vent,” treat it as an airflow restriction until proven otherwise.
  • If the dryer will not heat and shows an L2-related power issue, check the home power supply (breaker, outlet, cord connection).
  • Address squealing or thumping early; worn rollers or an idler pulley can escalate into belt or motor strain.
Brand comparison (typical industry pattern)
Brand Typical reliability reputation Common “problem drivers” to watch
Whirlpool Very strong Vent restriction, wear parts (rollers, idler)
LG Strong Sensor/board issues, venting/installation
GE Good Heating/airflow issues, wear parts
Maytag Good to very good Similar wear parts and airflow issues
Parts that often solve “problem” symptoms on WED7120HW0

If your goal is fewer breakdowns, these are common wear or safety parts that prevent repeat issues when symptoms appear:

Why it matters

Most “least problems” rankings assume correct setup and airflow. On any brand, a crushed or blocked vent can trigger overheating, long dry times, nuisance error messages, and premature failure of heat and safety components.

Last updated: February 2026

On the Whirlpool WED7120HW0, heating element failure is usually caused by restricted airflow (venting or lint buildup) that overheats the heater, electrical supply problems that make the heater run abnormally, or normal wear over time. Use the WED7120HW0 owner's manual to confirm venting and power requirements.

Most common causes
  • Blocked or crushed venting: Poor airflow traps heat in the heater housing and can shorten element life.
  • Lint buildup inside the dryer: Lint around the heater duct and blower area raises operating temperatures.
  • Power supply issues: If the heater is not turning on and you see an L2 condition, the manual points to a house power supply problem.
  • Overheating protection events: Repeated overheating can open a safety device and is often linked to airflow restrictions.
  • Normal aging: The coil can eventually break after many heat cycles.
Quick checks we recommend before replacing parts
  1. Clean the lint screen and confirm strong airflow at the outside vent hood.
  2. Inspect the vent path for kinks, long runs, or heavy lint buildup.
  3. Run a heated Timed Dry cycle (not Air Only) and watch for “Check Vent” messages.
  4. Verify the dryer is on the correct dedicated circuit (electric dryers typically require a 30 A circuit).
  5. If the drum tumbles but there is no heat, test the heating circuit components.
Parts that are often involved (symptoms-based)
Symptom Most likely issue Common related part for this model
No heat, dryer runs Heater circuit open Element, heater 5400w WP3387747
No heat after overheating Safety device opened due to poor airflow Thermal fuse W10909685
Heat is erratic, cycles oddly Temperature sensing problem Dryer thermistor WP8577274
Why it matters

A restricted vent does not just slow drying; it drives up internal temperatures and can repeatedly stress the heater, thermostats, and thermal fuse. Fixing airflow first helps the new heating element last longer and restores normal dry times.

Last updated: February 2026

Common Whirlpool dryer problems on model WED7120HW0 fall into a few buckets: it will not start, it will not heat, it will not tumble, or it takes too long to dry. Most fixes start with power, door/controls, and airflow checks in the WED7120HW0 owner's manual.

Most common symptoms and what they usually mean
  • Dryer will not start: door not fully closed, Start not pressed firmly, controls not set to ON, or a tripped breaker/blown fuse.
  • No heat or weak heat: household power supply issue (often shows an L2 type power problem), or a failed heating circuit component.
  • Drum not turning: worn belt, seized drum support rollers, or a bad idler pulley.
  • Long dry times: restricted venting, clogged lint screen, or a damaged blower wheel.
  • Overheating or shutting off: airflow restriction that can open a safety device.
Quick checks we recommend first (fast, no parts)
  1. Confirm the dryer is plugged into a properly grounded outlet and power is on.
  2. Make sure the door is fully closed and the Start button is pressed firmly.
  3. Check the home circuit breaker/fuse.
  4. Clean the lint screen before every load.
  5. Inspect the vent for crushing, kinks, or blockage; use a heavy metal vent (not plastic or foil).
Common parts involved (when symptoms match)
Symptom Likely area Example part for WED7120HW0
Squealing, thumping, drum hard to turn Drum support Dryer drum support roller WPW10314173
Drum not turning, belt slack Belt tension system Dryer idler pulley W10837240
No heat (electric) Heating circuit Element, heater 5400w WP3387747
Runs but shuts off or will not heat after overheating Safety cutoff Thermal fuse W10909685
Why it matters

These symptoms often share the same root causes. For example, poor airflow can cause long dry times and can also trigger overheating protection, so checking venting and lint buildup early prevents repeat failures.

Last updated: February 2026

Most common symptoms to help you fix your dryers

Choose a symptom to see related dryer repairs.

Main causes: bad gas valve coils, broken heating element, tripped safety thermostat or fuse, bad operating thermostat, c…

Main causes: clogged exhaust system, heating system failure, deposits on moisture sensor, control system failure…

Main causes: clogged exhaust vent, bad motor relay, loose dryer door catch, bad door switch, control system failure, fau…

Main causes: door switch failure, lack of power, broken belt, blown thermal fuse, bad drive motor, control system failur…

Main causes: damaged door strike, worn door catch…

Main causes: lack of electrical power, bad power cord, wiring failure, bad control board, blown thermal fuse, bad door s…

Main causes: bad timer or electronic control board, door switch failure…

Main causes: bad drum support roller, damaged idler pulley, broken blower fan blade, worn drum glide bearing, bad drive …

Most common repair guides to help fix your dryers

These step-by-step repair guides will help you safely fix what’s broken on your dryer.

How to replace an electronic control board in an electric dryer

How to replace an electronic control board in an electric dryer

The electronic control board manages the components and controls the cycle times in your electric dryer. Follow these st…

Repair time and Difficulty

 45 minutes or less
How to replace an igniter in a gas dryer

How to replace an igniter in a gas dryer

The igniter in a gas dryer glows white hot during the to light the gas that heats the air in the dryer. If the dryer air…

Repair time and Difficulty

 60 minutes or less
How to replace a dryer thermistor

How to replace a dryer thermistor

The thermistor senses the air temperature in the dryer. If your dryer overheats or doesn't heat at all, the thermistor …

Repair time and Difficulty

 30 minutes or less

Effective articles & videos to help repair your dryers

Use the advice and tips in these articles and videos to get the most out of your dryer.

How to use your clothes dryer efficiently

How to use your clothes dryer efficiently

Get expert tips on using your dryer efficiently to save energy.…

Are DIY appliance repairs safe?

Are DIY appliance repairs safe?

Find out how to stay safe when repairing your appliances.…

Keeping your smart appliances secure from hackers

Keeping your smart appliances secure from hackers

Find out how to protect your smart appliances from malevolent invasions by hackers.…

Parts & More

Bottom-Mount Refrigerator
Central Air Conditioner
Dishwasher
Electric Range
Electric Wall Oven
Front-Engine Lawn Tractor
Furnace
Gas Cooktop
Ice Cream Maker
Microwave
Microwave/Hood Combo
Parts
Range Hood
Television
Top-Mount Refrigerator
Washer
Wine & Beverage Cooler