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
Nautilus T912 treadmill

Nautilus T912 treadmill Parts

Here are the diagrams and repair parts for Nautilus T912 treadmill, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

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

Browse Parts for T912 Fitness & Exercise

  • Speed Sensor Kit for Nautilus T912 - Part SM26407

    Motor asy diagram

    Speed Sensor Kit

    Part #SM26407

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

  • Noise Filter for Nautilus T912 - Part SM27317

    Motor asy diagram

    Noise Filter

    Part #SM27317

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

  • Kit,elevation Motor for Nautilus T912 - Part SM26418

    Motor asy diagram

    Kit,elevation Motor

    Part #SM26418

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

  • Lock Washer for Nautilus T912 - Part SM41260

    Motor asy diagram

    Lock Washer

    Part #SM41260

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

  • Hardware Kit for Nautilus T912 - Part SM41315

    Front 1 assy diagram

    Hardware Kit

    Part #SM41315

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

  • Screw for Nautilus T912 - Part SM40456

    Motor asy diagram

    Screw

    Part #SM40456

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

  • Wheel for Nautilus T912 - Part SM27551

    Frame assy diagram

    Wheel

    Part #SM27551

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

  • Screw 0.250-20x0.75 for Nautilus T912 - Part SM22101

    Motor asy diagram

    Screw 0.250-20x0.75

    Part #SM22101

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

  • Clevis Pin for Nautilus T912 - Part SM41259

    Frame assy diagram

    Clevis Pin

    Part #SM41259

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

  • Extrusion,rub.s.rail-top for Nautilus T912 - Part SM41078

    Rail assy diagram

    Extrusion,rub.s.rail-top

    Part #SM41078

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

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

Bottom-Mount Refrigerator
Chest Freezer
Dishwasher
Dryer
Front-Engine Lawn Tractor
Gas Range
Microwave/Hood Combo
Parts
Refrigerator
Room Air Conditioner
Side-By-Side Refrigerator
Washer