Autolite XP5683-4PK Iridium XP Spark Plug, Pack of 4, White

Autolite Iridium XP utilizes an iridium-enhanced 0.6 mm finewire and proprietary platinum sidewire for improved durability and a more focused ignition for better overall ignitability providing optimum performance.

Iridium-enhanced platinum alloy 0.6mm fine wire center electrode for improved ignitibility performance
Patented V-trimmed platinum side wire technology resists wear
OE equivalent design is engineered for every engine to ensure the right plug for your vehicle
Designed for better overall durability with virtually no gap erosion for longer plug life
Attached motor seat gasket and terminal nut
Fit type: Vehicle Specific


Price: $22.66
(as of Jan 13,2026 20:06:22 UTC – Details)