Briggs & Stratton Ignition Coil - 591420

Product Details & Features

Keep your Briggs & Stratton petrol engine firing reliably with this genuine ignition coil (Part 591420) — a key component of the ignition system that generates the high‑voltage spark needed to ignite the fuel‑air mixture. This OEM coil is engineered to the manufacturer’s exact specifications for dependable performance and long service life. 

The 591420 ignition coil, also known as an ignition magneto armature, replaces older part numbers including 398593, 496914, 792395, 793281, 793352, 799285 and 799471, making it a versatile replacement for many Briggs & Stratton Sprint, Classic and Quattro series small engines. It’s commonly used on 2 HP–4 HP vertical “L‑head” engines found on lawnmowers, garden tractors and other outdoor equipment. 

Key Features:

• Genuine OEM Part: Designed and manufactured to Briggs & Stratton original specifications for accurate fit and reliable ignition performance. 

• Essential Spark Generation: Converts mechanical energy into a high‑voltage spark that fires the spark plug at the right moment for efficient combustion. 

• Direct Replacement: Replaces multiple legacy part numbers and fits a wide range of engines, simplifying parts lookup and ensuring compatibility. 

• Durable Construction: Made from quality materials built to withstand engine vibration and heat for consistent service life. 

• Straightforward Installation: Designed to mount with standard tools — simply position, gap and secure in place as part of routine ignition maintenance. 

Why It Matters:
The ignition coil is crucial for reliable starting and smooth engine running. A worn or failing coil can cause hard starts, misfires or no spark at all, leading to poor performance or engine stalling. Installing this genuine 591420 coil restores proper spark delivery, helping your mower or outdoor power equipment start easily and run smoothly. 

Whether you’re performing maintenance or repairing an older mower, this Briggs & Stratton Ignition Coil 591420 is an essential replacement part to keep your machine firing on all cylinders