DENSO 3173OE Double Platinum Spark Plug

The DENSO 3173 is a double platinum spark plug designed to deliver exceptional ignition performance and extended service life. It features a platinum center electrode that delivers excellent spark performance and long-lasting durability, making it an ideal OE-quality replacement for your vehicle's ignition system.

Key Features:

• Double platinum design with platinum-tipped ground electrode
• 360-degree laser welding assembly enables maximum spark plug life in excess of 60,000 miles
• Low required firing voltage and high ignitability for fewer misfires
• Gap: 0.032 inches
• Reduced erosion and minimized spark gap growth throughout the life of the plug
• Resists corrosion even in the harshest environments

This spark plug replaces Autolite AP5224, NGK 3271, and Mazda OEM part numbers 0000-18-KJ11, 0000-18-KJ13, KJ11-18-110, KJ12-18-110, KJ17-18-110, and KJ18-18-110. The technical part number is PKJ20CR8. DENSO's double platinum technology provides sustained spark performance and improves ignition efficiency while reducing the risk of misfires in all driving conditions.