What size socket do I need for spark plugs?
Most spark plugs require a 5/8″ (16mm) size spark plug socket. This refers to the size of the flats on the spark plug that are in contact with the socket. This spark plug requires the 5/8″ spark plug socket, which will probably fit a 3/8 ratchet extension.
What is the most common spark plug socket size?
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″.
Do you need a special socket for spark plugs?
Do I Need To Use A Spark Plug Socket? no you don’t need a spark plug socket to remove and install spark plugs. A deep socket in the correct size will work in most cases, if enough patience is used and maybe some pliers to go along with the socket.
What socket is the same as 5 8?
Metric / Standard Wrench Conversion Chart
| Bolt Diameter | Metric | Standard |
|---|---|---|
| 7/16″ | 16mm | 5/8″ |
| 1/2″ | 19mm | 3/4″ |
| 9/16″ | 21mm | 13/16″ |
| 22mm | 7/8″ |
How do I know what size socket I need?
How to Determine the Right Size Socket for a Nut
- Turn on the digital caliper and set it to read in inches, not millimeters.
- Close the caliper jaws until each jaw rests on one flat side of the nut on opposite sides.
- Check the caliper display.
- Turn on the digital caliper and set it to read in millimeters, not inches.
How do I know what spark plugs I need?
The different types of spark plugs can seem overwhelming at first, but the simple way to find out what kind of spark plug you need is by checking your owner’s manual. The manual will specify the right plugs for your vehicle.
What thread is a 14mm spark plug?
Identifying NGK Spark Plugs
| Letter | Thread | Hex |
|---|---|---|
| B | 14mm | 20.8mm |
| C | 10mm | 16.0mm |
| D | 12mm | 18.0mm |
| E | 8mm | 13.0mm |