Quick Answer: How big is a spark plug socket?

What is the size of a spark plug socket?

Most spark plugs require a 5/8″ (16mm) size spark plug socket.

What is the most common spark plug socket size?

Spark plug sockets come in two sizes: 5/8 inches and 13/16 inches. Most spark plug sockets have a rubber insert that holds the plug snugly in place. You may also need a universal joint if your spark plugs are difficult to reach.

What size is small spark plug socket?

A plugs hex size determines the socket required for installation. While 5/8″ (16mm) and 13/16″ are the two most common plug hex sizes, plugs can have a hex as small as 8mm or larger than 1″.

Is a spark plug socket different?

Spark plug sockets are much longer than standard sockets. This type of socket will also frequently come with a rubber insert that prevents the spark plug from becoming damaged while the wrench is working.

Can you remove a spark plug with a socket?

A special socket wrench is developed that helps to remove a spark plug. The spark plug sticks to a rubber part in the wrench slot, and you can easily pull it out.

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How can you tell if a spark plug is bad?

What symptoms may indicate my vehicle’s spark plugs need replacing?

  1. Rattling, pinging or “knock”-like noises. When spark plugs begin to misfire, you may notice unusual noises from the force of the pistons and combustion not working properly. …
  2. Hard vehicle start. …
  3. Reduced performance. …
  4. Poor fuel economy.

Can I change my spark plugs myself?

Like rotating tires or changing oil, replacing spark plugs is a job that can be easily, and inexpensively, done in the confines of your own home. Although they don’t need maintenance as often as the other two tasks, spark plugs are equally as important and require consistent monitoring.

What size is a NGK Spark Plug?

NGK Spark Plug BP6ES 7811 (Pack of 6) Wrench size 20.8 mm Thread diameter 14.0 mm Thread Length 19.0 mm Spark gap 0.9 mm.

How do you get a spark plug out of a hole?


  1. Introduction.
  2. 1Gently grasp a spark plug wire by the boot (the place where it connects to the spark plug), twist it, and pull it straight out.
  3. 2Use a soft, clean rag or a small paint brush to clean the area where the spark plug enters the block.