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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.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 371 parts  |
Grooved Ball Bearing 6301 50014500
#21

Flange diagram

Grooved ball bearing 6301

Part #50014500

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

Switch Lever Sub-assy Consisting Of Item-nos. 31-34 106414BV
#31

Flange diagram

Switch lever sub-assy consisting of item-nos. 31-34

Part #106414BV

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

Strap (for Item No. 30 A) 40029500
#30DA

Fuel tank diagram

Strap (for item no. 30 a)

Part #40029500

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

Spring Washer 50002800
Spring washer

Part #50002800

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

Timing Cover 2711204
#16A

Additional oil tank diagram

Timing cover

Part #2711204

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

Gearwheel With Shaft 167116
#13

Starting handel diagram

Gearwheel with shaft

Part #167116

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

Security Plate 160305
#31

Additional oil tank diagram

Security plate

Part #160305

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

Disc B13 50017300
#50

Flange diagram

Disc b13

Part #50017300

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

Fuel Pipe Betw. Pump And Filter 169104
#15

Fuel tank diagram

Fuel pipe betw. pump and filter

Part #169104

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

Support For Exhaust Box (for Item No. 30 A) 168905A
#30B

Fuel tank diagram

Support for exhaust box (for item no. 30 a)

Part #168905A

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

Symptoms for gas cooktops

Why won't my cooktop's gas burners ignite or spark?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

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Why isn't my cooktop's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

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Why do my cooktop's spark igniters keep clicking?

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

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Repair guides for gas cooktops

How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

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Repair difficulty
Time required
 45 minutes or less
How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Read more
Repair difficulty
Time required
 30 minutes or less

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Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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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.…

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