Autolite APP5363 Double Platinum Spark Plug

The Autolite APP5363 Double Platinum Spark Plug delivers premium ignition performance with platinum-to-platinum firing technology that virtually eliminates gap erosion and reduces misfires for exceptional durability. Engineered specifically for Distributorless Ignition System (DIS) engines, this spark plug provides reliable starting and consistent performance in demanding applications.

Key Features:

• Full platinum tips on both center and ground electrodes for extended service life
• High nickel alloy side electrode resists wear and corrosion
• Necked-down center electrode design improves ignitability and reduces voltage requirements
• Full copper core center electrode maximizes heat dissipation and electrical conductivity
• Platinum-to-platinum firing configuration minimizes gap erosion over time
• Backed by a 5-year performance guarantee

Designed and engineered in the USA, Autolite spark plugs are backed by over a century of ignition expertise and more than 11 billion plugs sold worldwide. This double platinum design offers superior performance for vehicles equipped with modern DIS systems, delivering the reliability expected from both OEM and aftermarket applications.