Ajay
Treadmill

Model # 15375W Official Ajay executive 4000 motorized treadmill

Here are the diagrams and repair parts for Official Ajay 15375W executive 4000 motorized treadmill, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

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

Search
ALL PARTS
Showing 10 of 50 parts  |

Sheave X2012
#25

Unit parts diagram

Sheave

Part #X2012

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

Poly Bag C15375A
#54

Unit parts diagram

Poly bag

Part #C15375A

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

L Foot Pad X10428
#35

Unit parts diagram

L foot pad

Part #X10428

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

Hand Grip X3640
#7

Unit parts diagram

Hand grip

Part #X3640

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

Rear Foot X3613
#31

Unit parts diagram

Rear foot

Part #X3613

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

Digital Computer Pick-up X3496B
#28

Unit parts diagram

Digital computer pick-up

Part #X3496B

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

Thrd Support X7104
#43

Unit parts diagram

Thrd support

Part #X7104

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

Pickup Screw X3496F
#56

Unit parts diagram

Pickup screw

Part #X3496F

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

Lwr Poly Cvr X3618
#3

Unit parts diagram

Lwr poly cvr

Part #X3618

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

Rear Roller X8361
#44

Unit parts diagram

Rear roller

Part #X8361

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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 motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 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 difficulty
Time required
 15 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 difficulty
Time required
 30 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.…