V-Line: The most successful spark plug assortment of all time
V-Line is market-driven and extremely practical - a unique recipe for success. Since its introduction in 1991, NGK has sold more than 200 million spark plugs from this assortment.
The optimal spark plugs with broad market coverage
V-Line is regularly adapted to the vehicle population. Today it comprises 39 spark plug types and offers an optimal spark plug for more than 4000 vehicle applications - which corresponds to market coverage of around 90 %. Thanks to the short numbering system, the right spark plug for an automobile can be found and reordered quickly.
Technology which speaks for itself
Three-fourths of the assortment comes from original equipment. In addition to standard spark plugs, V-Line also comprises platinum spark plugs and double platinum spark plugs. Twenty-two V-Line models have the patented V-groove in the middle electrode, which demonstrably optimises combustion.
In this way, V-Line spark plugs not only guarantee the workshop the greatest work efficiency, they also make an environmental contribution thanks to high ignition reliability and engine efficiency.
The assortment at a glance:
- Market coverage of more than 90 %
- Time-tested short numbering system guarantees quick location of the appropriate model and easy re-ordering
- Many precious metal types and models with patented V-groove
- Highest ignition reliability, environmentally-friendly combustion



