Description:

Engineered for efficiency, power, and long-lasting performance, the E3 Spark Plug E3.74 is a premium ignition solution designed to enhance combustion across a wide range of engines. Featuring E3’s patented DiamondFire Technology, this spark plug creates a more complete and faster flame kernel, resulting in smoother acceleration, improved throttle response, and optimized engine performance.

The advanced electrode design helps deliver up to 12% more power and up to 13% better fuel economy in small engines, with measurable performance gains in automotive applications as well. By promoting a more efficient burn, the E3.74 spark plug reduces carbon buildup and lowers harmful emissions, supporting cleaner operation and improved engine health over time.

Built for durability in demanding conditions, the spark plug features a corrosion-resistant nickel-plated shell, a high-strength ceramic insulator, and a copper core for excellent conductivity and heat dissipation. Designed to meet the needs of daily drivers and performance-focused users alike, this spark plug offers reliable ignition, faster starts, and consistent power delivery.

Ideal for cars, trucks, motorcycles, and vans, the E3.74 spark plug meets or exceeds OEM standards and is backed by a long-term warranty for added confidence.

Vehicle Compatibility:

Cars

Trucks

Motorcycles

Vans

(Compatible with applications requiring 14 mm spark plugs)

Replaces OEM Part Numbers:

OEM-equivalent replacement (verify exact fitment by vehicle application)

Kit Includes:

1 × E3 Spark Plug (Model E3.74)

Material:

Copper core with alloy steel components, nickel-plated shell, and ceramic insulator

Thread Size:

14 mm

Weight:

Approx. 0.1 lb (single spark plug)

Warranty:

5-Year / 100,000-Mile Limited Manufacturer Warranty for dependable performance and peace of mind