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Sears 550E79 diesel engine

Sears 550E79 diesel engine Parts

Here are the diagrams and repair parts for Sears 550E79 diesel engine, as well as links to manuals and error code tables, if available.

By Schematic
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Browse Parts for 550E79 Diesel Engine

  • Hexagon Screw M6x10 for Sears 550E79 - Part 50025400

    Additional oil tank diagram

    Hexagon Screw M6x10

    Part #50025400

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

  • Reduction Gear 6,6:1 ) Type for Sears 550E79 - Part 40039200

    Flange diagram

    Reduction Gear 6,6:1 ) Type

    Part #40039200

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

  • Disc for Sears 550E79 - Part A2.528

    Flange diagram

    Disc

    Part #A2.528

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

  • Supporting Plate for Sears 550E79 - Part 2810001

    Fuel tank diagram

    Supporting Plate

    Part #2810001

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

  • Pressure Spring for Sears 550E79 - Part 166215B

    Dynamo starter diagram

    Pressure Spring

    Part #166215B

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

  • Threaded Pin for Sears 550E79 - Part 161205

    Cam shaft diagram

    Threaded Pin

    Part #161205

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

  • Segment To Speed Control (speed Control Adjustable) for Sears 550E79 - Part 1610611A

    Flange diagram

    Segment To Speed Control (speed Control Adjustable)

    Part #1610611A

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

  • V-belt Pulley At Dynamo for Sears 550E79 - Part 167216A

    Dynamo starter diagram

    V-belt Pulley At Dynamo

    Part #167216A

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

  • Clutch Disc K160 for Sears 550E79 - Part 40017300

    Flange diagram

    Clutch Disc K160

    Part #40017300

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

  • Banjo Bolt A6 for Sears 550E79 - Part 50006300

    Additional oil tank diagram

    Banjo Bolt A6

    Part #50006300

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair time and Difficulty

 45 minutes or less

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

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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.…

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What are the main components of a lawn mower?

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