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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  |
Hexagon Screw 50029400
Hexagon screw

Part #50029400

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

Centering Flange (centering Flange For Power-take Off At Flywheel Side) 168701
#14

Flange diagram

Centering flange (centering flange for power-take off at flywheel side)

Part #168701

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

Pushrod Sub-assy 160905AU
#9

Cam shaft diagram

Pushrod sub-assy

Part #160905AU

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

Injection Valve Compl. =bosch= 40006800
#30

Cam shaft diagram

Injection valve compl. =bosch=

Part #40006800

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

Flange Bearing 106402A
#45A

Flange diagram

Flange bearing

Part #106402A

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

Banjo Bolt A6 50006300
#12

Additional oil tank diagram

Banjo bolt a6

Part #50006300

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

Hexagon Screw M12x70 50031800
#33A

Starter diagram

Hexagon screw m12x70

Part #50031800

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

Fuel Tank Sub-assy.capac.9ltrs With Cap Screw Item No. 2 169202V
#1D

Fuel tank diagram

Fuel tank sub-assy.capac.9ltrs with cap screw item no. 2

Part #169202V

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

Chain Guard DSK5164
#53

Starting handel diagram

Chain guard

Part #DSK5164

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

Repair guides for front-engine lawn tractors

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How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

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Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

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Repair difficulty
Time required
 45 minutes or less
How to replace a riding lawn mower front tire

How to replace a riding lawn mower front tire

Get your mower moving again by using these instructions when replacing a damaged front tire.…

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Repair difficulty
Time required
 60 minutes or less

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