Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Craftsman
Rear-Engine Riding Mower

Model # 12728876 Official Craftsman zero-turn riding lawn mower

Here are the diagrams and repair parts for Official Craftsman 12728876 zero-turn riding lawn mower, 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.

Owner’s manual
  View engine

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 600 parts  |
Lawn Tractor Transaxle Idler Pulley 2228016
#16

Transaxle diagram

Lawn tractor transaxle idler pulley

Part #2228016

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

Riding Lawn Mower Engine 4163351
#16

Frame - engine/clutch diagram

Riding lawn mower engine

Part #4163351

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

Riding Lawn Mower Engine 4163192
#24

Frame - engine/clutch diagram

Riding lawn mower engine

Part #4163192

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

Foam Pre-cle 4163206
Foam pre-cle

Part #4163206

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

Compression Spring 4155481
#16

Steering diagram

Compression spring

Part #4155481

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

Arm Rest Kit 4139431
#2B

Kickplate/seat diagram

Arm rest kit

Part #4139431

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

Guard 4163743
#25

Frame - engine/clutch diagram

Guard

Part #4163743

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

S-assy Spind 4115850
S-assy spind

Part #4115850

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

Lawn Tractor Bolt 64123-212
#11

Caster diagram

Lawn tractor bolt

Part #64123-212

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

Pulley Nut 4142045-02
#32

Transaxle diagram

Pulley nut

Part #4142045-02

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

Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

View all

Why won't my riding mower cut grass?

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Read more

How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

Read more

How do I fix a flat tire on my riding mower?

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Read more

Why won't my riding mower start?

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

Read more

Why is the steering loose on my riding mower?

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Read more

Why does my riding mower creep in neutral?

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Read more

Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Read more

Why won't my riding mower move?

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Read more

Why is my riding mower not cutting evenly?

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

Read more

Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

View all
How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower blade

How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

View all
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Read more
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.…

Read more
Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…

Read more

Parts & More