DP
Treadmill

Model # 21-7119 Official DP prime fit concourse 10.55 gi treadmill

Here are the diagrams and repair parts for Official DP 21-7119 prime fit concourse 10.55 gi 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 109 parts  |

Lock Nut 25014600
Lock nut

Part #25014600

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

Hex Screw 23021000
#55

Motor and walking belt assembly diagram

Hex screw

Part #23021000

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

Rr/lf Guard 09170200
#19

Motor and walking belt assembly diagram

Rr/lf guard

Part #09170200

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

Motor/mnt As 39379300
#35

Motor and walking belt assembly diagram

Motor/mnt as

Part #39379300

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

L Siderail 34026910
#9

Motor and walking belt assembly diagram

L siderail

Part #34026910

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

Power Cord 39368900
#32

Motor and walking belt assembly diagram

Power cord

Part #39368900

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

Roller Bearing 39152200
Roller bearing

Part #39152200

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

Btm Mtr Covr 31295416
#44

Motor and walking belt assembly diagram

Btm mtr covr

Part #31295416

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

End Cap 09168900
#16

Motor and walking belt assembly diagram

End cap

Part #09168900

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

Wire Harness 39394100
#46G

Control panel assembly diagram

Wire harness

Part #39394100

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

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

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

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 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 difficulty
Time required
 45 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

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.…