- Kenmore refrigerator water filters
- Whirlpool refrigerator water filters
- Samsung refrigerator water filters
- GE refrigerator water filters
- LG refrigerator water filters
- Frigidaire refrigerator water filters
- KitchenAid refrigerator water filters
- Maytag refrigerator water filters
- Kenmore Elite refrigerator water filters
- Estate refrigerator water filters
- GE Profile refrigerator water filters
- Amana refrigerator water filters
- Bosch refrigerator water filters
- Dacor refrigerator water filters
- Electrolux refrigerator water filters
Top DIY repair help
View All Repair Categories
Appliances
Lawn & Garden
Power Tools
Home Improvement
Sports & Leisure
Heating & Cooling
DP 21-3900A treadmill Parts
Here are the diagrams and repair parts for DP 21-3900A treadmill, as well as links to manuals and error code tables, if available.
By Schematic
SELECT DIAGRAM
Browse Parts for 21-3900A Fitness & Exercise
Motor and walking belt assembly diagram
Bolt
Part #22011200
The manufacturer no longer makes this part, and there's no substitute part
Control panel diagram
Lock Nut
Part #25001500
The manufacturer no longer makes this part, and there's no substitute part
Washer
Part #26000400
The manufacturer no longer makes this part, and there's no substitute part
Motor and walking belt assembly diagram
Front Leg
Part #38334916
The manufacturer no longer makes this part, and there's no substitute part
Motor and walking belt assembly diagram
Tread Belt
Part #09137300
The manufacturer no longer makes this part, and there's no substitute part
Control panel diagram
Bolt
Part #22012600
The manufacturer no longer makes this part, and there's no substitute part
Motor and walking belt assembly diagram
Motor
Part #37035300
The manufacturer no longer makes this part, and there's no substitute part
Motor and walking belt assembly diagram
Motor Mount
Part #38338610
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Battery
Part #STD363091
The manufacturer no longer makes this part, and there's no substitute part
Control panel diagram
Ln Pwr Cord
Part #39166300
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: damaged walking belt, improper belt tension, bad roller bearing…
Main causes: faulty sensors, wiring failure, bad control console…
Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…
Main causes: bad control console, wiring failure, bad motor control board…
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…
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
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
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
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.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Parts & More
Dishwasher
Fitness & Exercise
Front-Engine Lawn Tractor
Gas Range
Parts
Lawn Mower Zone Control Cable 946-1113A partsRefrigerator Evaporator Fan Motor EAU63103203 partsLine Trimmer Carburetor Assembly 669-6550 partsBelt 424343701Refrigerator Wire Harness Cover DA63-07496A partsMANUAL-OPR N 940-0125Gear 150032-00Refrigerator Door Bin DA63-07180A partsModule 02532816000Home Electronics Screw 22708529Washer Rear Tub Gasket MDS62058301 partsWall Oven Door Outer Panel (Black) WB57T10336 partsTerminal Block 521260
Side-By-Side Refrigerator
Top-Mount Refrigerator