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
Engine & Drivetrain

Model # 131794040 Official Craftsman transmission

Here are the diagrams and repair parts for Official Craftsman 131794040 transmission, 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.

Error Codes

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 55 parts  |
Washer 780051
#51

Transmission assembly diagram

Washer

Part #780051

Replaced by #780051

?
Manufacturer substitution
This part replaces 780051. Substitute parts can look different from the original.
This item is not returnable
$4.60
In Stock
Roll Pin 792002
#22

Transmission assembly diagram

Roll pin

Part #792002

Replaced by #792049

?
Manufacturer substitution
This part replaces 792002. Substitute parts can look different from the original.
This item is not returnable
$6.77
In Stock
Bearing 780071
#46

Transmission assembly diagram

Bearing

Part #780071

Replaced by #780071

?
Manufacturer substitution
This part replaces 780071. Substitute parts can look different from the original.
$11.34
In Stock
Screw 792046
#40

Transmission assembly diagram

Screw

Part #792046

Replaced by #792046

?
Manufacturer substitution
This part replaces 792046. Substitute parts can look different from the original.
This item is not returnable
$4.37
In Stock
Sprocket 786048
#32

Transmission assembly diagram

Sprocket

Part #786048

Replaced by #786048

?
Manufacturer substitution
This part replaces 786048. Substitute parts can look different from the original.
$31.29
In Stock
Bearing 780084
#50

Transmission assembly diagram

Bearing

Part #780084

Replaced by #780084

?
Manufacturer substitution
This part replaces 780084. Substitute parts can look different from the original.
$11.34
In Stock
Washer 780072
#37

Transmission assembly diagram

Washer

Part #780072

Replaced by #780072

?
Manufacturer substitution
This part replaces 780072. Substitute parts can look different from the original.
This item is not returnable
$3.40 | 
23% OFF Phone Price : $4.40
In Stock
Key 792045
#39

Transmission assembly diagram

Key

Part #792045

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

Ball 792004
#12

Transmission assembly diagram

Ball

Part #792004

Replaced by #792004

?
Manufacturer substitution
This part replaces 792004. Substitute parts can look different from the original.
This item is not returnable
$4.37
In Stock
Needle Bearing 780085
#3

Transmission assembly diagram

Needle bearing

Part #780085

Replaced by #780085

?
Manufacturer substitution
This part replaces 780085. Substitute parts can look different from the original.
This item is not returnable
$21.63
In Stock

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

View all

Why is there water in my water heater's drain pan?

Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…

Read more

Why does my hot water smell like rotten eggs?

Main causes: water supply needs chlorine treatment, anode rod too reactive…

Read more

Why isn't my water heater heating my water?

Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…

Read more

Why isn't my water heater making enough hot water?

Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…

Read more

Why is my water heater's pressure relief valve dripping water?

Main causes: faulty pressure relief valve, water is overheating…

Read more

Why isn't my water heater making the water hot enough?

Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess…

Read more

Why is my water heater making the water too hot?

Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…

Read more

Effective articles & videos to help repair your water heaters

Use the advice and tips in these articles and videos to get the most out of your water heater.

View all
Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

Read more
How to read a wiring schematic video

How to read a wiring schematic video

Learn how to decipher symbols so you can buy the right part for your problem.…

Read more
Water heater common questions

Water heater common questions

These common questions and answers can help you make the most of your water heater.…

Read more

Parts & More