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

Proform 831297950 crosswalk ls treadmill Parts

Here are the diagrams and repair parts for Proform 831297950 crosswalk ls treadmill, as well as links to manuals and error code tables, if available.

Proform 831297950 crosswalk ls treadmill
By Schematic
SELECT DIAGRAM
?

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

Browse Parts for 831297950 Fitness & Exercise

  • Assy,hb,lt,w for Proform 831297950 - Part 142072

    #62

    All parts diagram

    Assy,hb,lt,w

    Part #142072

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

  • Assy,blypn,w for Proform 831297950 - Part 140702

    Unit parts diagram

    Assy,blypn,w

    Part #140702

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

  • Pulley/flywh for Proform 831297950 - Part 126747

    Unit parts diagram

    Pulley/flywh

    Part #126747

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

  • Treadmill Incline Wheel for Proform 831297950 - Part 137731

    #65

    All parts diagram

    Treadmill Incline Wheel

    Part #137731

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

  • Right Foot Rail With Fastener for Proform 831297950 - Part 140767

    #83

    All parts diagram

    Right Foot Rail With Fastener

    Part #140767

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

  • Bkt,lift,ext for Proform 831297950 - Part 140558

    #60

    All parts diagram

    Bkt,lift,ext

    Part #140558

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

  • Foam Grip, 6-in for Proform 831297950 - Part 105500

    #93

    All parts diagram

    Foam Grip, 6-in

    Part #105500

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

  • Wire,hrns,51 for Proform 831297950 - Part 138851

    Unit parts diagram

    Wire,hrns,51

    Part #138851

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

  • Assy,leg,bas for Proform 831297950 - Part 146411

    Unit parts diagram

    Assy,leg,bas

    Part #146411

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

  • Hb,rt,wlgry for Proform 831297950 - Part 140280

    Unit parts diagram

    Hb,rt,wlgry

    Part #140280

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

Proform Crosswalk LS Treadmill 831297950 FAQs

To estimate the age of your Proform model 831297950 treadmill, we match the serial number to the manufacturing date code used by the maker. On many treadmills, the serial label includes a year and month code, so the serial number is the fastest way to date it.

Where to find the serial number

Look for a sticker or plate on the frame, not on removable covers.

  • Under the front motor hood (near the power cord entry)
  • On the underside of the walking deck frame
  • Near the rear roller endcaps
  • On the upright base frame (left or right side)
How to decode the date (common format)

Many treadmill serial numbers include a date code such as:

  • First 2 digits = year (example: 14 = 2014)
  • Last letter = month (A = Jan, B = Feb, C = Mar, and so on)

If your serial number follows that pattern, you can calculate the treadmill’s age by comparing the build month and year to today’s date.

Month letter quick reference
Letter Month
A January
B February
C March
D April
E May
F June
If the serial number does not match that pattern

Some Proform units use a different code layout. In that case, use these practical clues to narrow it down:

  • Console style and display type (older LED vs. newer LCD)
  • Condition of the walking belt surface and deck
  • Whether the incline system and latch hardware match the original design
  • Parts history (for example, if you have replaced the treadmill safety key 119038 recently)
Why it matters

Knowing the manufacturing date helps us choose the correct replacement parts (walking belt, drive belt, circuit breaker) and prevents ordering a look-alike part that does not fit your exact production run.

Last updated: January 2026

On the Proform 831297950 Crosswalk LS treadmill, the serial number is typically on a sticker or plate attached to the lower frame; most often you’ll find it near the power cord entry point or along the underside/side rail of the base.

Common serial number locations to check
  • Lower frame rail near the power cord and on/off switch area
  • Underside of the front base (near the motor hood)
  • Underside of the rear base (near the rear roller area)
  • Side of the deck frame, close to where the walking belt runs
  • Upright base tube near the floor (front left or front right)
How to find it safely
  1. Turn the treadmill off and unplug it from the wall.
  2. Use a flashlight and look along the base frame where labels are protected from foot traffic.
  3. If needed, carefully tip the treadmill to view the underside; have a second person stabilize it.
  4. Write down the full serial number exactly as shown (letters, numbers, and dashes).
What the label usually looks like
Label detail What you might see Why it helps
Serial number A long alphanumeric code Identifies your exact unit build
Model number 831297950 Confirms you’re ordering the right parts
Electrical rating Volts/amps Helps when checking power issues
Why it matters

We use the serial number to match the correct Proform parts and revisions for your treadmill, especially for electrical items and drive components. If you’re ordering a replacement key, confirm the model and then match it to the treadmill safety key 119038.

Last updated: January 2026

Yes, it’s usually worth repairing a Proform treadmill model 831297950 when the frame is solid and the fix is a common wear item (belt, safety key, breaker); a good rule is to repair when the total cost is under about half the price of a comparable replacement treadmill.

Quick way to decide (repair vs. replace)

Use these checkpoints before you spend money on parts or labor:

  • Repair if the issue is a wearable or small electrical part (belt slipping, won’t start without key, breaker trips).
  • Repair if the motor runs smoothly and the walking deck is not cracked or warped.
  • Replace if the frame is bent, the deck is badly worn, or the treadmill has repeated failures.
  • Replace if the repair requires multiple major components at once (motor + controller + deck).
  • Repair if you can do the work yourself and only need basic tools.
Common repairs that are typically worth it

These are frequent, lower-cost fixes on home treadmills like the Crosswalk LS:

Symptom Likely cause Typical fix
Treadmill won’t run Missing/damaged safety key Replace the treadmill safety key 119038
Belt slips or squeals Worn/loose drive belt Inspect/replace the belt 224019 and set tension
Walking belt drifts left/right Belt needs tracking adjustment Use the treadmill walking belt alignment tool 128457 and adjust evenly
Unit shuts off during use Overload or weak breaker Check/replace the treadmill circuit breaker, 15-amp 109382
Why it matters

A treadmill that is out of alignment or running with a slipping belt can accelerate wear on the motor, front roller, and electronics. Fixing a small issue early often prevents a much more expensive repair later.

Cost and safety tips before you commit
  • Unplug the treadmill before removing covers or touching wiring.
  • Add up parts + shipping + labor; compare that total to a replacement treadmill.
  • If the treadmill trips the breaker repeatedly, inspect wiring and connections before replacing parts.
  • For wiring checks, use a meter and follow safe testing practices (see how to use a multimeter to test electrical parts video).

Last updated: January 2026

Common problems on the Proform 831297950 Crosswalk LS treadmill include no power, a belt that slips or drifts, unusual noises, console issues, and incline or speed that will not respond. Many fixes start with the safety key, power reset, and basic belt inspection and adjustment.

Most common symptoms and what they usually mean
  • Treadmill will not start: missing safety key, tripped breaker, loose power connection
  • Walking belt slips: belt tension is too loose or the drive belt is worn
  • Walking belt drifts left or right: belt needs alignment
  • Squeaking, rubbing, or thumping: belt alignment issue, debris under the belt, or worn belt/deck surfaces
  • Incline or speed acts erratic: wiring connection issue, sensor issue, or control problem
Quick checks we recommend first
  1. Fully insert the treadmill safety key 119038 and confirm the console powers up.
  2. Unplug the treadmill for 2 minutes, then plug it back in (this resets many consoles).
  3. Check the home outlet by plugging in a lamp; avoid extension cords.
  4. Inspect for obvious belt drift or rubbing; correct alignment before continued use.
  5. If the belt slips under load, inspect the drive belt and walking belt condition.
Parts that commonly solve these issues
Problem Part that often helps What it does
Won’t start or stops immediately Treadmill safety key 119038 Enables the console and safety shutoff circuit
Belt drifts or rubs Treadmill walking belt alignment tool 128457 Helps you center and track the walking belt
Belt slips or squeals Belt 224019 Transfers motor power to the front roller
Walking surface is worn or damaged Walking belt assembly 173063 Replaces the walking belt assembly
Treadmill is dead after overload Treadmill circuit breaker, 15-amp 109382 Protects the treadmill from overcurrent
Why it matters

Running with a slipping or misaligned belt can wear the walking belt, rollers, and motor drive components faster. Fixing belt tracking and tension early helps prevent bigger repairs and keeps workouts safer and smoother.

Last updated: January 2026

Most common symptoms to help you fix your fitness & exercise

Choose a symptom to see related treadmill repairs.

Main causes: bad resistance motor, faulty control console, wiring failure…

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

Repair guides for treadmills

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

How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair time and Difficulty

 45 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair time and Difficulty

 30 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your fitness & exercise

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

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Parts & More

Boiler
Bottom-Mount Refrigerator
Downdraft Ventilation System
Dryer
Electric Wall Oven
Gas Chainsaw
Gas Grill
Gas Walk-Behind Mower
Laundry Center
Line Trimmer
Parts
Range
Range Hood
Vacuum Cleaner
Wall Oven/Microwave Combo
Washer