Lawn & Garden Engine Air Filter Part 491588S
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Lawn & Garden Engine Air Filter
Part #: 491588

Substitution: 491588S Learn why

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Important Details


  • This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including 491588

Technician Facts

  • Installations last year: 1058
  • Average installation time: 45 minutes
  • Level of repair difficulty:

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Part Information

This manufacturer-approved air filter cartridge (part number 491588S) fits many engines, including Briggs & Stratton engine model 120202-0417-E1.

Allow the engine to cool and disconnect the spark plug before installing the air filter cartridge.

To install the air filter cartridge:

  • Remove the screw that secures the air filter cover to the side of the engine.
  • Pull the air filter cover off and replace the air filter cartridge.
  • Position the air filter cover on the side of the engine and reinstall the mounting screw in the air filter cover.


  • Category: Lawn & Garden/Yard/Farm
  • Shipping Length: 4.50 in
  • Shipping Width: 0.80 in
  • Shipping Height: 5.20 in
  • Shipping Weight: 0.10 lbs