Autolite 388 18mm Spark Plug – Perfect For John Deere Hit & Miss Engines – Flywheel Supply

If you're tinkering with an old John Deere hit or miss engine, you're gonna need the right spark plug.

This Autolite 388 is a classic 18mm plug that's just the ticket for those antique gas engines.

It's brand new from Flywheel Supply and still in its original packaging.

Whether you're restoring a hit and miss motor or just keeping a vintage piece running, having a fresh plug like this makes all the difference in starting and performance.

It's a simple part, but a critical one.

No fancy MPN or UPC to worry about here—just a solid, reliable spark plug that's been used in these old engines for years.

Grab one to keep as a spare or to get your engine firing right.