Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
King S4090B reel mower

King S4090B reel mower Parts

Here are the diagrams and repair parts for King S4090B reel mower, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for S4090B Walk-Behind Mowers

  • Washer for King S4090B - Part 2245

    Frame diagram

    Washer

    Part #2245

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

  • Flat Washer for King S4090B - Part 7787

    Clutch diagram

    Flat Washer

    Part #7787

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

  • Spring Washer for King S4090B - Part 7117

    Reel & bed knife diagram

    Spring Washer

    Part #7117

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

  • Deflector for King S4090B - Part 7965

    Frame diagram

    Deflector

    Part #7965

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

  • Caster Body for King S4090B - Part 2458

    Low-cut castor diagram

    Caster Body

    Part #2458

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

  • Wheel Pin for King S4090B - Part 7101

    Clutch diagram

    Wheel Pin

    Part #7101

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

  • Walk-behind Lawn Mower Grass Catcher for King S4090B - Part 7731

    Frame diagram

    Walk-behind Lawn Mower Grass Catcher

    Part #7731

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

  • Lock Washer for King S4090B - Part 2226

    Differential diagram

    Lock Washer

    Part #2226

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

  • Screw for King S4090B - Part 7221

    Handle diagram

    Screw

    Part #7221

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

  • Clutch Ball for King S4090B - Part 7734

    Clutch diagram

    Clutch Ball

    Part #7734

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

Most common symptoms to help you fix your walk-behind mowers

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

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…

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

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

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

Effective articles & videos to help repair your walk-behind mowers

The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

Parts & More

Band Saw
Bottom-Mount Refrigerator
Canister Vacuum
Electric Wall Oven
Front-Engine Lawn Tractor
Gas Chainsaw
Mechanical Sewing Machine
Parts
Top-Mount Refrigerator
Wall Oven
Washer