Engine & Drivetrain

Model # 143794278 Official Craftsman transmission

Here are the diagrams and repair parts for Official Craftsman 143794278 transmission, as well as links to manuals and error code tables, if available.

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143794278 Riding Mowers & Tractors
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 Phone Price : $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 Phone Price : $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
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
10% OFF Phone Price : $120.19
In Stock
Retaining Ring 792072
#31

Replacement parts diagram

Retaining ring

Part #792072

Replaced by #792072

?
Manufacturer substitution
This part replaces 792072. Substitute parts can look different from the original.
This item is not returnable
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 778123
#6

Replacement parts diagram

Gear

Part #778123

Replaced by #778123A

?
Manufacturer substitution
This part replaces 778123. Substitute parts can look different from the original.
In Stock
Collar 784266
#9

Replacement parts diagram

Collar

Part #784266

Replaced by #784266

?
Manufacturer substitution
This part replaces 784266. Substitute parts can look different from the original.
In Stock
Shaft 776134
#12

Replacement parts diagram

Shaft

Part #776134

Replaced by #776134

?
Manufacturer substitution
This part replaces 776134. Substitute parts can look different from the original.
In Stock

Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

Main causes: broken oven door lock assembly, wiring failure, electronic control board problem…

Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sen…

Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleanin…

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner ignite…

Main causes: broken broiler element, weak or broken broil burner igniter, control system failure, faulty temperature sen…

Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner ig…

Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure…

Most common repair guides to help fix your ranges

These step-by-step repair guides will help you safely fix what’s broken on your range.

How to replace a range oven door switch

How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it …

Repair difficulty
Time required
 30 minutes or less
How to replace a range oven door lock assembly

How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your ranges

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

How to clean and maintain your stove

How to clean and maintain your stove

Learn how to clean and maintain your stove to keep it in top shape.…

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.…

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.…