APP646 Autolite Spark Plugs Spark Plug OE Replacement

Experience the unmatched quality and performance of the APP646 Autolite Spark Plugs, a trusted name in ignition products for over a century. With the production of more than 11 billion spark plugs and glow plugs, Autolite has established itself as a leader in the automotive aftermarket and Original Equipment manufacturers.

Designed to meet or exceed OE quality standards, our spark plugs cater to a wide range of vehicles, including:

• Japanese cars
• European cars
• Korean cars
• Lawn and Garden equipment
• Power Sports vehicles

The APP646 model is meticulously engineered to optimize your engine’s performance and longevity. Here are some of its standout features:

• Platinum-To-Platinum Firing: Ensures reliable ignition and improved efficiency.
• 30% More Durable: Virtually eliminates gap erosion which leads to reduced misfires.
• Superior Performance: Ideal for DIS engines with the latest technology.
• Full Platinum Tips: Offers platinum on both center and side electrodes for reduced gap wear.
• Necked-Down Center Electrode: Designed for optimal performance and efficiency.
• Full Copper Core Center Electrode: Enhances electrical conductivity and spark efficiency.
• Proprietary Platinum Ball Welding Process: Provides a consistent point of contact for better adhesion.

With the APP646 spark plugs, you can expect:

• Optimized engine performance
• Longer lifespan
• Improved fuel economy
• Easier starting

Enjoy peace of mind with our limited 5-year warranty. Whether your vehicle is a domestic or import model, the Autolite brand provides the right ignition products for you.

Specifications:

• Reach: 3/4 Inch
• Resistor: No
• Electrode Type: OEM
• Electrode Core Material: Copper
• Electrode Tip Material: Double Platinum
• Insulator Type: Projected
• Thread Size: 14 Millimeter
• Seat Type: Gasket
• Wrench Diameter: 13/16 Inch Hex

Upgrade your vehicle’s ignition system with the APP646 Autolite Spark Plugs and experience the difference in quality and performance today!