What size socket fits a 14mm spark plug?
The size socket that fits a 14mm spark plug is a 16mm socket. This is the standard size used for most 14mm spark plugs found in common automotive engines.
Determining the Correct Socket Size for Spark Plugs
Spark plugs come in a variety of sizes, with the most common being 12mm, 14mm, and 18mm. The size of the spark plug refers to the diameter of the threaded portion that screws into the engine cylinder head. To remove or install a spark plug, you'll need a socket that matches this diameter.
- 12mm spark plugs require a 14mm socket
- 14mm spark plugs require a 16mm socket
- 18mm spark plugs require a 21mm socket
It's important to use the correct socket size to avoid stripping the spark plug or cylinder head threads. Using the wrong size socket can also lead to difficulty removing or installing the spark plug, potentially causing damage.
Tips for Working with Spark Plugs
- Consult your vehicle's service manual to determine the correct spark plug size and torque specifications.
- Ensure the socket fits snugly over the spark plug to avoid rounding out the hex head.
- Apply anti-seize compound to the spark plug threads before installation to prevent them from seizing in the future.
- Tighten the spark plugs to the recommended torque using a torque wrench to avoid over- or under-tightening.
Following these tips will help ensure you use the correct socket size and properly service your vehicle's spark plugs.
What is M14 spark plug?
"M14 x 1.25" is the physical description of the threaded portion of the spark plug. The nominal diameter is 14 millimeters (about 9/16"), and the pitch* is 1.25 mm (~. 05"). Pitch is the distance between two adjacent thread crests - the distance the plug moves into the cylinder head for each turn of the plug.
What size drill bit for a 14mm?
| Drill Bit Size Chart | ||
|---|---|---|
| 0.2 mm | 0.0079 | 17/32 in |
| #92 | 0.0079 | 13.5 mm |
| #91 | 0.0083 | 35/64 in |
| #90 | 0.0087 | 14 mm |
What is the same size as a 14mm socket?
Socket Wrench Size Chart
| Bolt Diameter | Metric | Standard |
|---|---|---|
| 3/8″ | 14mm | 9/16″ |
| 7/16″ | 16mm | 5/8″ |
| 1/2″ | 19mm | 3/4″ |
| 9/16″ | 21mm | 13/16″ |
What size socket for 14mm spark plug?
These plugs must be removed with a thin wall 12 point 14mm socket. Spark plug sockets have a magnet or a rubber sleeve that grips the plug, helping you pull it out of the head. If you don't have one handy, you can loosen the plug with a deep well socket, then use a magnet to lift the plug out of the plug well.
What are the 2 common spark plug socket sizes?
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". If you're a tuner or engine builder in search of the perfect spark plug for your current project, pay special attention to the hex size required.
What size drill bit for 14mm spark plug?
14 mm x 1.25 pitch (spark plug) use 15/32" or 12 mm drill bit.
What are the two spark plug socket sizes?
The most common spark plug socket sizes are 5/8 inches and 13/16 inches.
Are all spark plugs 14mm?
Spark plug hex sizes are standard metric. 18, 16, 14, bihex 14, and 12mm. 16 and 14 are most common. Bihex 14 found more often on European engines while 10 are usually reserved for small and low powered engines like in Japanese kei cars.
What size socket do I need to remove a spark plug?
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.
What size is a 14mm spark plug hex?
Size: 14mm Bi-Hex (12pt) x 3/8"D x 65mm long. Outside diameter: 17.88mm; inside depth: 61.7mm.
