DENSO 4014 U-Groove Standard Spark Plug

The DENSO 4014 is a standard spark plug engineered to deliver reliable ignition performance for a wide range of vehicles. This spark plug features DENSO's proven U-Groove design, which enhances ignitability and promotes more complete combustion for improved engine efficiency.

Key Features:

• U-Groove ground electrode design improves flame kernel development and ignition consistency
• Standard copper core construction provides excellent heat dissipation
• Precision-manufactured insulator and electrodes ensure optimal performance and longevity
• OE-quality construction meets or exceeds original equipment specifications
• Designed for dependable starting and smooth engine operation

DENSO spark plugs are manufactured to exacting standards and are trusted by automotive manufacturers worldwide. The U-Groove technology in the 4014 creates a larger, more robust spark that ignites the air-fuel mixture more effectively, contributing to better fuel economy, reduced emissions, and enhanced throttle response.