The SPARK PLUG by A & I PRODUCTS is designed for optimal ignition performance in various engines. This high-quality spark plug features a durable construction that withstands extreme temperatures and pressures. With precise dimensions and threading, it ensures a perfect fit in compatible engines, enhancing fuel efficiency and reducing emissions. Ideal for agricultural and industrial applications, this spark plug meets stringent industry standards for reliability and performance.The 21A866 spark plug by A & I PRODUCTS is designed for ignition systems in gasoline engines. It features a threaded metal shell, ceramic insulator, and electrodes engineered for consistent spark delivery and resistance to thermal and electrical stress. Suitable for various small engines and agricultural machinery, the plug meets OEM specifications for dimensions, heat range, and thread size. The 21A866 spark plug supports efficient combustion and engine performance in compatible applications.
N8
Autolite 405
14mm Thread
3/4" Reach
13/16" Hex Shoulder
| Ignition & Electrical Parts > Engine Related Parts |
| (Miscellaneous) : SEVERAL |
| Shop Supply > Spark Plugs |
| (Miscellaneous) : SEVERAL |
| Replaces: | AGS4C | FORD |
| AG5 | FORD |
| C3PF12405AB | FORD |
| 405 | MISCELLANEOUS |
| Crossed From: | N8 | MISCELLANEOUS |
| 405 | TISCO |
