When it comes to choosing new spark plugs for your car, it is important to consider both cost and quality. While cheaper spark plugs may seem like a more cost-effective option upfront, they may end up costing you more in the long run if they need to be replaced more frequently. Investing in high-quality spark plugs made of premium materials can help improve your car's performance and fuel efficiency, ultimately saving you money in the long term.
Please see the following for the types of sealing devices for bearings.How to Select the Right Bearing (Part 7): Components surrounding the bearing
There are several materials used to manufacture oil seals. They are discussed below.