Oil seals can also be known as rotary shafts seals, shaft seals, lip seals, elastomeric seals, and more.
One important factor to consider when choosing spark plugs for your MK7 GTI is the heat range. The heat range of a spark plug refers to its ability to dissipate heat away from the tip of the spark plug. Choosing the right heat range for your MK7 GTI is important to ensure optimal performance and longevity of the spark plugs.