a standard spark plug should last 10-20K KM...those better/performance type should last 30-50KM....
Spark plug is wear and tear part...
Also life span of spark plug depend on your engine condition...if your engine makan engine oil / wrong tuning then your spark plug will wear out faster.
Hey guys,
Anyone can share some good website to make online purchase on parts like interior, exterior etc.......I found http://www.mazdatrix.com. But it is a American website. So most of the parts are the other...