Denso

Denso Spark Plug T14PR-U15 | 5021

Part#: 5021

For outdoor power equipment parts like spark plugs, ignition coils, and sensors to industrial solutions such as air conditioning systems and factory automation equipment, Denso delivers innovative solutions that support a better daily life. Many parts look similar, so it's crucial to ensure you're choosing the right replacement for your original equipment or engine model. If you're unsure; we're happy to help - send us a message!

• 360 degree laser-welded
• 100 percent pre-fired to ensure reliable operation
• Copper core center electrode for superior thermal conductivity
• Unique 5-rib insulator reduces flashover and decreases voltage loss
• Dual copper and glass seal bonds the center electrode and insulator together for a gas-tight seal
• Spark plugs conduct electrical energy from the ignition coil, creating a spark that ignites the fuel.