Autolite AR3923 Spark Plug with 14 mm Thread and 0.750-inch Reach

The Autolite AR3923 spark plug features a 14 mm threaded design and a 0.750-inch reach, optimized for reliable ignition performance. Constructed with a gasket seat, this spark plug ensures a secure fit in compatible engines, providing efficient combustion and improved engine responsiveness. The resistor design helps reduce electromagnetic interference, contributing to smoother vehicle operation and extended spark plug life. Suitable for various automotive applications, the AR3923 is engineered to meet or exceed OEM standards for durability and performance. Its robust construction and precise dimensions make it a dependable choice for maintaining engine efficiency and ensuring optimal starting performance across a wide range of vehicles.

Features:

• 14 mm thread size for secure installation

• 0.750-inch reach for optimal combustion chamber fit

• Gasket seat design for reliable sealing

• Resistor to minimize electromagnetic interference

• Durable construction designed for long-lasting performance