Craftsman
Engine & Drivetrain

Model # 143794279 Official Craftsman transmission

Here are the diagrams and repair parts for Official Craftsman 143794279 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.

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 40 parts  |

Screw 792073
#36

Replacement parts diagram

Screw

Part #792073

Replaced by #792073

?
Manufacturer substitution
This part replaces 792073. Substitute parts can look different from the original.
This item is not returnable
$3.40
23% OFF MSRP : $4.40
In Stock
Ball 792077
#40

Replacement parts diagram

Ball

Part #792077

Replaced by #792077A

?
Manufacturer substitution
This part replaces 792077. Substitute parts can look different from the original.
This item is not returnable
$3.40
23% OFF MSRP : $4.40
In Stock
Spring 792079
#42

Replacement parts diagram

Spring

Part #792079

Replaced by #792079

?
Manufacturer substitution
This part replaces 792079. Substitute parts can look different from the original.
This item is not returnable
$3.40
23% OFF MSRP : $4.40
In Stock
Quad Ring 792001
#45

Replacement parts diagram

Quad ring

Part #792001

Replaced by #792001

?
Manufacturer substitution
This part replaces 792001. Substitute parts can look different from the original.
This item is not returnable
In Stock
Gear 778113A
#19

Replacement parts diagram

Gear

Part #778113A

Replaced by #778113A

?
Manufacturer substitution
This part replaces 778113A. Substitute parts can look different from the original.
$28.64
15% OFF Phone Price : $33.64
In Stock
Washer 780108
#43

Replacement parts diagram

Washer

Part #780108

Replaced by #780108

?
Manufacturer substitution
This part replaces 780108. Substitute parts can look different from the original.
This item is not returnable
In Stock
Bushing 780105
#27

Replacement parts diagram

Bushing

Part #780105

Replaced by #780105A

?
Manufacturer substitution
This part replaces 780105. Substitute parts can look different from the original.
This item is not returnable
$8.64
10% OFF Phone Price : $9.64
In Stock
Shaft 776161
#3

Replacement parts diagram

Shaft

Part #776161

Replaced by #776217

?
Manufacturer substitution
This part replaces 776161. Substitute parts can look different from the original.
$108.19
8% OFF Phone Price : $118.19
In Stock
Fork Rod 784267
#35

Replacement parts diagram

Fork rod

Part #784267

Replaced by #784267

?
Manufacturer substitution
This part replaces 784267. Substitute parts can look different from the original.
In Stock
Gear 778127
#15

Replacement parts diagram

Gear

Part #778127

Replaced by #778127A

?
Manufacturer substitution
This part replaces 778127. Substitute parts can look different from the original.
In Stock

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

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

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

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

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

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

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

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

Repair guides for electric water heaters

How to replace a water heater element

How to replace a water heater element

If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f…

Repair difficulty
Time required
 30 minutes or less
How to replace an electric water heater thermostat

How to replace an electric water heater thermostat

If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h…

Repair difficulty
Time required
 30 minutes or less
How to replace a water heater temperature and pressure (T&P) relief valve

How to replace a water heater temperature and pressure (T&P) relief valve

Replace a broken temperature/pressure (T&P) relief valve on an electric water heater using these instructions.…

Repair difficulty
Time required
 15 minutes or less

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.

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.…

Using a wiring schematic to trace a current video

Using a wiring schematic to trace a current video

Find out what’s wrong with your appliance by following a circuit.…

Easy DIY water heater repairs

Easy DIY water heater repairs

Read about some water heater repairs that you can easily do yourself.…