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Whirlpool RF378LXPT0 electric freestanding range

Whirlpool RF378LXPT0 electric freestanding range Parts

Here are the diagrams and repair parts for Whirlpool RF378LXPT0 electric freestanding range, as well as links to manuals and error code tables, if available.

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Browse Parts for RF378LXPT0 Ranges

  • Whirlpool Range Oven Temperature Sensor for Whirlpool RF378LXPT0 - Part WPW10181986

    Chassis parts diagram

    Oven Sensor

    Part #8273902

    Replaced by #WPW10181986

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  • Range Surface Element Control Switch for Whirlpool RF378LXPT0 - Part WP3149404

    Infinite Switch (silver)

    Part #3148951

    Replaced by #WP3149404

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  • Appliance Spray Paint (white) for Whirlpool RF378LXPT0 - Part 350930

    Drawer & broiler parts, optional parts diagram

    Spray W

    Part #350930

    Replaced by #350930

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  • Range Safety Thermostat for Whirlpool RF378LXPT0 - Part WP3196548

    Chassis parts diagram

    Range Safety Thermostat

    Part #3196548

    Replaced by #WP3196548

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  • Range Oven Door Trim for Whirlpool RF378LXPT0 - Part W10761014

    Door parts diagram

    Door Trim

    Part #8523165

    Replaced by #W10761014

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  • Whirlpool Range Radiant Surface Element, 6-in for Whirlpool RF378LXPT0 - Part W10823711

    Range Radiant Surface Element, 6-in

    Part #8523698

    Replaced by #W10823711

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  • Range Oven Door Trim, Left for Whirlpool RF378LXPT0 - Part W10761018

    Door parts diagram

    Range Door Trim, Left (black)

    Part #8523171

    Replaced by #W10761018

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  • Range Terminal Block for Whirlpool RF378LXPT0 - Part WP9761958

    Chassis parts diagram

    Terminal Block

    Part #9757136

    Replaced by #WP9761958

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  • Range Screw for Whirlpool RF378LXPT0 - Part WP3400882

    Control panel parts diagram

    Range Screw

    Part #3400882

    Replaced by #WP3400882

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  • Range Dual Radiant Surface Element for Whirlpool RF378LXPT0 - Part W10823692

    Surface Element

    Part #8523693

    Replaced by #W10823692

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Whirlpool Electric Freestanding Range RF378LXPT0 FAQs

A Whirlpool electric range typically lasts 10 to 15 years. For your Whirlpool RF378LXPT0 electric freestanding range, consistent cleaning, avoiding repeated high-heat abuse, and fixing small issues early (like uneven baking or a weak broil) are what most often determine whether it reaches the high end of that range.

Typical lifespan and what affects it

Most ranges fail early due to heat-related wear on oven heating parts, door sealing, and controls.

  • Heavy daily cooking shortens lifespan faster than occasional use
  • Frequent self-clean cycles can stress wiring, sensors, and controls
  • A torn or flattened door gasket lets heat escape and overworks elements
  • Spills left on the bake element area can cause hot spots and premature failure
  • Power surges and loose connections can damage the electronic control

Parts that commonly drive “end of life” symptoms

If the range still powers on but performance is poor, these parts are often involved:

Quick “is it worth repairing?” guide

What you’re seeing Most likely area Typical next step
Oven won’t heat but broil works Bake circuit Test/replace bake element
Temps are consistently off Temperature sensing Check sensor and connections
Heat leaks around door Door sealing Replace door gasket
Random beeping, dead keypad, no display Control/electrical Inspect wiring, consider control replacement

Why it matters

A range that is heating inefficiently runs hotter and longer to do the same job. That extra heat load accelerates wear on the bake element, sensor, door gasket, and electronic control, which can shorten the overall life of the appliance.

Last updated: February 2026

On a Whirlpool electric freestanding range like model RF378LXPT0, we typically find the model number on the frame behind the storage drawer or warming drawer. Pull the drawer out fully and look for a rating label on the front frame or side rail.

Where to check first (fastest spots)

  • Behind the storage or warming drawer: pull the drawer out and look on the oven frame
  • Oven door frame: open the oven door and check the frame around the opening
  • Lower side trim area: check the front side rails near the bottom
  • Back panel: look on the rear of the range if it is accessible

How to remove the drawer safely

  1. Make sure the range is cool and the drawer is empty.
  2. Pull the drawer out until it stops.
  3. Lift the front slightly and pull again to disengage the stops (some drawers use side release tabs).
  4. Shine a flashlight along the front frame and side rails for the label.

What the label looks like

Most Whirlpool range labels include:

Label item What it’s used for
Model number (example: RF378LXPT0) Matching parts and diagrams
Serial number Identifying production run
Electrical ratings Verifying power requirements

Why it matters

We use the exact model number to match the correct Whirlpool parts for your range, including items like an oven sensor WPW10181986 or oven bake element WPW10308477. Even small model-number differences can change the fit and wiring.

Last updated: February 2026

On the Whirlpool RF378LXPT0 electric freestanding range, the most common problems we see are uneven baking or temperature swings, the oven not heating in bake or broil, a door that leaks heat, and an oven light that will not work. These issues usually trace to a heating component, sensor, door seal, or control.

Common symptoms and what they usually point to

  • Oven not heating (bake): failed bake element, loose/burned wiring, or a control issue
  • Oven not heating (broil): failed broil element or control issue
  • Food cooks unevenly or temperature seems off: oven sensor out of range, poor airflow, or door not sealing
  • Oven door won’t lock/unlock (self-clean models): latch motor or door latch problem
  • Oven light out: bulb burned out or lens/socket issue

Parts that commonly solve these problems

If your symptom matches, these model-compatible parts are good starting points:

Symptom Likely part to check first Example part on this model
Underbakes, overbakes, temp swings Oven temperature sensor Oven sensor WPW10181986
No heat on Bake Bake element Oven bake element WPW10308477
No heat on Broil Broil element Range broil element W10856603
Heat leaking, long preheat Door gasket Door gasket W11542153
Light not working Bulb or lens Light bulb 8009

Quick checks we recommend before ordering parts

  • Confirm the range has the correct power supply (many electric ranges require 240V to heat properly).
  • Look for visible damage: blisters, cracks, or holes on the bake/broil element.
  • For temperature complaints, test with an oven thermometer across several cycles (don’t judge by one reading).
  • Inspect the door gasket for gaps, tears, or areas that are flattened.
  • If you’re comfortable testing, use a meter to check continuity on elements and the sensor.

Why it matters

Heating and temperature-control issues can cause long preheat times, uneven baking, and excessive cycling that stresses the electronic control and wiring. Catching a weak element or drifting sensor early keeps performance consistent and helps prevent secondary failures.

Last updated: March 2026

Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure…

Main causes: broken broiler element, weak or broken broil burner igniter, control system failure, faulty temperature sen…

Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner ig…

Main causes: broken oven door lock assembly, wiring failure, electronic control board problem…

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner ignite…

Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sen…

Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleanin…

Most common repair guides to help fix your ranges

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

How to replace a range oven door switch

How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it …

Repair time and Difficulty

 30 minutes or less
How to replace a range oven door lock assembly

How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your ranges

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

4 things you're doing wrong with your oven

4 things you're doing wrong with your oven

You might be surprised by these 4 tips for using your oven better.…

How to correct an oven's temperature setting

How to correct an oven's temperature setting

If your oven consistently undercooks or overcooks, it might need recalibration. You can reset it yourself.…

Quiz: Are you abusing your appliances?

Quiz: Are you abusing your appliances?

Take our quiz to see how well you treat your appliances. Then, find out what you can do to help them last longer.…

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