Briggs & Stratton Lawn Mower Won’t Start? Ignition Coil #590454

This video provides step-by-step repair instructions for replacing the ignition coil on a Briggs and Stratton small engine (which is commonly found in lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators). The most common reason for replacing the ignition coil is when the engine won’t start or is hard to start.

Click here to purchase part #590454:

Ignition coil part testing video:

Additional small engine repair, troubleshooting tips, help with finding your model number and part replacement videos can be found on our website:

All of the information for this ignition coil replacement video is applicable to the following brands:
Briggs & Stratton, Toro, John Deere, Lawn Boy, Craftsman

Tools needed: screwdriver, nut driver, socket wrench

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13 thoughts on “Briggs & Stratton Lawn Mower Won’t Start? Ignition Coil #590454

  1. Unfortunately we don't sell those connectors separately, Briggs only supplies the wiring harness. You should be able to find connectors at an electrical or electronics supply store.

  2. OK.. How do you replace the plug wire on this type of coil? The coils last forever, at least twice as long as the plug wire does.. Any junkyard will have an unlimited supply of good plug wires.. they are more than happy to give them out for a buck instead of $20++ for a new coil.. There's plenty of videos to replace the plug end, but not the magneto end..

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