Spark Plug Size Calculator
Find the exact spark plug specifications for your vehicle including thread size, reach, heat range, and gap settings
Vehicle Spark Plug Calculator
Frequently Asked Questions
How often should I replace my spark plugs?
Copper spark plugs typically last 30,000-50,000 km, platinum plugs last 60,000-100,000 km, and iridium plugs can last 100,000-150,000 km. Check your vehicle's manual for specific recommendations.
What happens if I use the wrong spark plug size?
Using incorrect spark plugs can cause poor engine performance, misfiring, engine damage, or complete engine failure. Always use the exact specifications recommended for your vehicle.
Can I replace spark plugs myself?
While it's possible for experienced DIYers, spark plug replacement requires proper tools, torque specifications, and gap setting. Professional installation is recommended to avoid engine damage.
What's the difference between copper, platinum, and iridium spark plugs?
Copper plugs are cheapest but last shortest. Platinum plugs offer better durability and performance. Iridium plugs last longest and provide best performance but cost more.
How do I know if my spark plugs need replacement?
Signs include engine misfiring, poor acceleration, rough idling, difficulty starting, increased fuel consumption, or engine knocking.
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