Briggs & Stratton Lawn Mower Engine Pre-Cleaner #493537S

This video provides step-by-step instructions for replacing the pre-cleaner key on Briggs and Stratton small engines, commonly found in lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators. The most common reasons for replacing the pre-cleaner are when the engine is hard to start, or as preventive maintenance whenever you replace the air filter or notice the pre-cleaner is dirty or damaged in any way.

Click here to purchase Part #493537S:

Click here to purchase an air filter for this engine:

Additional small engine repair, troubleshooting tips, help with finding your model number, and part replacement videos:

All the information in this pre-cleaner replacement video is applicable to the following brands: Briggs & Stratton, John Deere, Lawn Boy, Toro

Tools used: flathead screwdriver

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