Keep engines aligned with this genuine OEM flywheel key, part number 25 340 04-S, designed for select Kohler, Toro, or Cub Cadet Lawn Mower, Small Engine, or Generator.
Grid is 1 inch square
  Flywheel Key 25 340 04-S
Manufacturer Part

Flywheel Key 25 340 04-S

Genuine OEM Part # 25 340 04-SRC Item # 2023395Alternative Part Number(s)
Manufacturer Part
Keep engines aligned with this genuine OEM flywheel key, part number 25 340 04-S, designed for select Kohler, Toro, or Cub Cadet Lawn Mower, Small Engine, or Generator.
Grid is 1 inch square
  Flywheel Key 25 340 04-S
$5.78
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Keep engines aligned with this genuine OEM flywheel key, part number 25 340 04-S, designed for select Kohler, Toro, or Cub Cadet Lawn Mower, Small Engine, or Generator.
Loading stock status
$5.78
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This part 25 340 04-S is compatible with:

Product Type:
Generator, Lawn Mower, Small Engine
Brands:
Toro, Cub Cadet, Kohler

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Flywheel Key Customer Reviews

Common Problems Fixed by the Flywheel Key

Based on customer reports and repair data, this part commonly fixes these issues:

About the Flywheel Key

The flywheel key might have sheared in half. The flywheel key is a small metal piece which fits into the crankshaft and engages with the flywheel. If the engine stops suddenly, the flywheel key breaks in half to prevent damage to the engine. To determine if the flywheel key is broken, remove the flywheel from the engine and inspect the flywheel key. If the flywheel key is broken, replace it.

Alternative Part Number(s)

Replaces Part Number 25 340 02-S