Autolite 46 Copper Resistor Spark Plug (1 Pack)

MAXIMUM PERFORMANCE: Every Copper Spark Plug boasts a full copper core electrode, which offers superior thermal conductivity for improved performance in all conditions.

IMPROVED DURABILITY: All Autolite spark plugs are leak-proof and feature a heat-fused internal seal for long-lasting durability.

CONSTRUCTION: These replacement spark plugs are designed with a copper-glass seal, seamlessly bonding the insulator and the terminal post center electrode together.

FUEL EFFICIENCY: The Autolite copper automotive replacement spark plug is guaranteed to provide quick starts, enhanced fuel economy, and smooth acceleration.

AUTOLITE ADVANTAGE: Since 1936, Autolite has been a trusted leader and innovator in spark plug technology, and you can count on our copper plugs for exceptional performance and unbeatable value, backed by decades of experience and passion.

For over 85 years, Autolite has been a driving force in the spark plug industry, consistently pushing the boundaries of innovation and quality. At the heart of our commitment to performance is the full copper core electrode, a hallmark of our Copper Spark Plug line. This unique design provides unparalleled thermal conductivity, ensuring your engine operates at peak efficiency in all conditions, from extreme heat to bitter cold.

But Autolite's dedication to excellence goes beyond just raw power. Our spark plugs are engineered for long-lasting durability, with a leak-proof, heat-fused internal seal that protects against the elements and ensures your engine runs smoothly for thousands of miles. The copper-glass seal, a signature of our construction process, further reinforces this rugged design, seamlessly bonding the insulator and terminal post center electrode for uncompromising strength and reliability.

The result of this uncompromising attention to detail is a spark plug that not only delivers maximum performance, but also improves your vehicle's fuel efficiency. The Autolite copper automotive replacement spark plug is guaranteed to provide quick, responsive starts, enhanced fuel economy, and smooth, powerful acceleration, giving you the edge you need on the road.

Autolite's legacy of innovation and quality is a testament to our unwavering commitment to our customers. For over eight decades, we have been a trusted leader in the industry, driven by a passion for engineering excellence and a relentless pursuit of perfection. When you choose Autolite, you can be confident that you're getting the best spark plugs on the market, backed by a brand that has stood the test of time and continues to set the standard for performance and value.

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