Overall, the cost of new spark plugs can vary depending on a variety of factors. By understanding the factors that contribute to the cost of spark plugs, you can make an informed decision that best fits your budget and needs. Whether you opt for cheaper spark plugs or invest in premium options, it is important to prioritize quality and longevity to ensure optimal performance for your vehicle.

Oil Seals – Everything You Need To Know About

Material Code ISO 1629

Seals are classified by O.D. wall material, lip type, and whether they have a spring or not.
Major oil seals are specified in ISO 6194-1 and JIS B 2402-1.
Table 2 shows the common types of oil seals, while Table 3 shows the features of each type of oil seal.
Table 4 lists the JTEKT oil seal type codes and corresponding ISO and JIS standards.