The A & I PRODUCTS SPARK PLUG (21A874) is engineered for optimal ignition performance in various engine types. This spark plug features high-quality materials for durability and reliability, ensuring efficient combustion. Designed to meet industry standards, it provides consistent performance and longevity. Ideal for automotive and small engine applications, this spark plug is essential for maintaining peak engine efficiency and performance.A & I PRODUCTS 21A874 spark plug offers dependable ignition for compatible engines. Constructed with a corrosion-resistant metal shell and precision central electrode, it ensures consistent spark delivery under varied operating conditions. The plug features standard threading for easy installation and removal, conforming to OEM size and heat range specifications. Designed for use in agricultural and industrial equipment, this spark plug supports efficient combustion and engine performance.
Autolite 437
14mm Thread
7/16" Reach
13/16" Hex Shoulder
| Replaces: | AL82 | FORD |
| N0012405R | FORD |
| RH18Y | MISCELLANEOUS |
| 21A882 | MISCELLANEOUS |
| 437 | MISCELLANEOUS |
