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Shop / motorcraft spark plugs

E3.74 Premium Automotive Spark Plug with DiamondFIRE Technology (1 Pack)

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$ 6.99   $5.03   save 28%
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About this item

  • DIAMONDFIRE TECHNOLOGY. The E3.74 spark plug features patented DiamondFire technology that enhances combustion efficiency, leading to more complete fuel burns, which boosts horsepower, improves fuel economy, and reduces emissions.
  • DURABLE CONSTRUCTION. Built with a nickel-plated shell and a high-strength insulator, the E3.74 spark plug is designed for long-lasting performance, offering excellent resistance to corrosion and extreme temperatures for extended use.
  • IMPROVED IGNITION. The advanced electrode design of the E3.74 provides a stronger, more consistent spark, improving engine start-up reliability and delivering smoother engine performance, especially in harsh driving conditions.
  • ENHANCED FUEL EFFICIENCY. By optimizing the fuel-air mixture combustion, the E3.74 spark plug helps increase fuel efficiency, reducing the amount of fuel required for peak engine performance, contributing to lower fuel costs over time.
  • EMISSION REDUCTION. The E3.74 spark plug reduces harmful emissions by promoting a cleaner and more efficient burn, making it a more environmentally responsible choice that complies with modern emission standards.
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