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
Okuma
Lawn & Garden Engine

Model # 5.5 OHV Official Okuma engine

Here are the diagrams and repair parts for Official Okuma 55-OHV 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.

Owner’s manual

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 113 parts  |
Bolt P54058
#24

Engine assembly diagram

Bolt

Part #P54058

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

Oil Dipstick P54086
#37

Engine assembly diagram

Oil dipstick

Part #P54086

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

Valve Spring P54154
#66

Engine assembly diagram

Valve spring

Part #P54154

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

Snap Ring P54032
#14

Engine assembly diagram

Snap ring

Part #P54032

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

Cylinder Head P54064
#27

Engine assembly diagram

Cylinder head

Part #P54064

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

Exhaust Gasket P54590
#89

Engine assembly diagram

Exhaust gasket

Part #P54590

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

Bolt P54598
#93

Engine assembly diagram

Bolt

Part #P54598

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

Cylinder Head P54052
#22

Engine assembly diagram

Cylinder head

Part #P54052

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

Fan Hood Assembly P54600
#94

Engine assembly diagram

Fan hood assembly

Part #P54600

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

Lock Bolt P54622
#105

Engine assembly diagram

Lock bolt

Part #P54622

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

Symptoms for electric ranges

Why doesn't my electric range's surface element heat properly?

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Read more

Should I replace a damaged glass cooktop?

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Read more

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace an electric range oven door outer glass panel

How to replace an electric range oven door outer glass panel

Learn how to replace a damaged outer window panel on your oven door with these step-by-step instructions. …

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

Read more
Repair difficulty
Time required
 45 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