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

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Sears
Lawn & Garden Engine

Model # 550E79 Official Sears diesel engine

Here are the diagrams and repair parts for Official Sears 550E79 diesel engine, 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 371 parts  |
Lever Switch 106414B
#31A

Flange diagram

Lever switch

Part #106414B

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

Dynamo Starter Bosch 40017800
#1

Dynamo starter diagram

Dynamo starter bosch

Part #40017800

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

Hexagon Screw 50027100
#38

Flange diagram

Hexagon screw

Part #50027100

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

V-belt Pulley At Dynamo Starter 166203
#14

Dynamo starter diagram

V-belt pulley at dynamo starter

Part #166203

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

Pin 6x28 50035300
Pin 6x28

Part #50035300

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

Free Shaft End When Mounting At Flywheel - Side Centering Flange Table 6 Item No 14 Resp. 14a Is Required When Mounting It At Governor Side, Timing Cover Table 4 Item-no 13a, And Power Take-off Flange Table 6, Item-no 16, (at Mounted Anti-vibration Devic 036301
#11

Flange diagram

Free shaft end when mounting at flywheel - side centering flange table 6 item no 14 resp. 14a is required when mounting it at governor side, timing cover table 4 item-no 13a, and power take-off flange table 6, item-no 16, (at mounted anti-vibration devic

Part #036301

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

Centering Flange 278701
#14A

Flange diagram

Centering flange

Part #278701

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

Grooved Ball Bearing 6007 50013000
Grooved ball bearing 6007

Part #50013000

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

Protection Cap 40026600
#9

Starter diagram

Protection cap

Part #40026600

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

Felt Strip 240x25x6 Mm (for Fuel Tank Capacity 5ltrs) 40007600
#22

Fuel tank diagram

Felt strip 240x25x6 mm (for fuel tank capacity 5ltrs)

Part #40007600

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

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a press-in door gasket in a side-by-side refrigerator

How to replace a press-in door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

View all
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
What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

Read more

Parts & More

Tips to find your model number

Product type
Select appliance
Dropdown Icon

Model numbers typically look like this:

Model Finder Help 1Model Finder Help 2