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Sears 550E785 diesel engine

Sears 550E785 diesel engine Parts

Here are the diagrams and repair parts for Sears 550E785 diesel engine, as well as links to manuals and error code tables, if available.

By Schematic
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Browse Parts for 550E785 Diesel Engine

  • Grooved Ball Bearing 16014 for Sears 550E785 - Part 50015500

    Grooved Ball Bearing 16014

    Part #50015500

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

  • Dynamo Bosch 12v90w for Sears 550E785 - Part 40018000

    Dynamo starter diagram

    Dynamo Bosch 12v90w

    Part #40018000

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

  • Gearring Dynamo for Sears 550E785 - Part 285201

    Dynamo starter diagram

    Gearring Dynamo

    Part #285201

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

  • Timing Relais for Sears 550E785 - Part 40032200

    Dynamo starter diagram

    Timing Relais

    Part #40032200

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

  • Nozzle E785 for Sears 550E785 - Part 40004600

    Cam shaft diagram

    Nozzle E785

    Part #40004600

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

  • Hexagon Screw for Sears 550E785 - Part 50027100

    Flange diagram

    Hexagon Screw

    Part #50027100

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

  • Dynamo Starter Bosch for Sears 550E785 - Part 40017800

    Dynamo starter diagram

    Dynamo Starter Bosch

    Part #40017800

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

  • Circlip 47x1.75 for Sears 550E785 - Part 50021700

    Starting handel diagram

    Circlip 47x1.75

    Part #50021700

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

  • Rubber Ring for Sears 550E785 - Part 1610002A

    Fuel tank diagram

    Rubber Ring

    Part #1610002A

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

  • Hexagon Nut for Sears 550E785 - Part 50022700

    Flange diagram

    Hexagon Nut

    Part #50022700

    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.…

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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