Autolite 3924 Copper Core Spark Plugs - 4 Pack

The Autolite 3924 Copper Core Spark Plug is designed to provide reliable ignition, smooth engine operation, and efficient combustion. Featuring a copper core and nickel alloy electrode, it ensures consistent spark, effective heat dissipation, and resistance to fouling. Ideal for automotive and small engine applications, the 3924 spark plug delivers dependable cold starts, improved fuel efficiency, and long-lasting performance across a variety of engines.

Features & Benefits:

🔧 Copper core ensures strong spark and optimal heat dissipation

🔧 Nickel alloy electrode resists fouling, corrosion, and wear

🔧 Pre-gapped for quick and accurate installation

🔧 Provides smooth idle and reliable cold-start performance

Specifications:

Brand & Part Number: Autolite 3924

Material: Copper Core with Nickel Alloy Electrode

Thread Size: 14mm

Reach: 0.75 in. (19mm)

Gap: Pre-gapped (~0.030 in.)

Ensure reliable ignition and optimal engine performance with Autolite 3924 Copper Core Spark Plugs! 🔧