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
Sears
Lawn & Garden Engine

Model # 550E785 Official Sears diesel engine

Here are the diagrams and repair parts for Official Sears 550E785 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  |
Fuel Pipe 169101A
#15

Additional oil tank diagram

Fuel pipe

Part #169101A

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

Gasket 1611203
#6

Additional oil tank diagram

Gasket

Part #1611203

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

V-belt 10x820 50008500
#63A

Dynamo starter diagram

V-belt 10x820

Part #50008500

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

Intermediate Ring 281101
#14

Gearwheel diagram

Intermediate ring

Part #281101

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

Pressure Spring 110719
#22

Starting handel diagram

Pressure spring

Part #110719

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

(not Used On Type E79 Or E785) N/P
(not used on type e79 or e785)

Part #N/P

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

Spacer Plate 2811801
#40

Starter diagram

Spacer plate

Part #2811801

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

Pressure Spring 166215B
#36

Dynamo starter diagram

Pressure spring

Part #166215B

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

Console With Strap Sub-assy For Fuel Tank, Capacity 5ltrs (only Complete Available) 1610110U
#16

Fuel tank diagram

Console with strap sub-assy for fuel tank, capacity 5ltrs (only complete available)

Part #1610110U

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

Symptoms for top-mount refrigerators

Why is there water in the bottom of the fridge under vegetable drawers?

Main causes: frozen or clogged defrost drain tube, cracked water system tubing...

Read more

Repair guides for top-mount refrigerators

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
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa...

Read more
Repair difficulty
Time required
15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost....

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