When choosing a spark plug, what factors need to be considered to ensure its compatibility with the vehicle?

1. Spark plug size
Thread size: The thread size of the spark plug must match the spark plug mounting hole of the engine. The thread size of the K6RKAIP-11 spark plug is 14 mm, which is an important factor to consider when choosing.
Pitch: The pitch refers to the distance between two adjacent threads. The pitch of the K6RKAIP-11 spark plug is 1.25 mm, which is also a key parameter to ensure that it matches the engine's threads.
Reach (or installation depth): The installation depth of the spark plug is also a factor to consider. The K6RKAIP-11 spark plug has a reach of 19 mm, which must meet the installation requirements of the engine.
Hexagonal size: The hexagonal size of the spark plug determines what tool is used to tighten or remove the spark plug. The hexagonal size of the K6RKAIP-11 spark plug is 16 mm, and a spark plug wrench of the corresponding size needs to be selected for operation.

2. Electrode type and material of the spark plug
Electrode type: The electrode types of the spark plug include the center electrode and the ground electrode. The center electrode of the K6RKAIP-11 spark plug is an iridium tip electrode, and the ground electrode is a platinum electrode. This combination has ignition performance and durability.
Electrode material: The material of the electrode has a great influence on the performance and life of the spark plug. Iridium and platinum are commonly used electrode materials for high-performance spark plugs, with the characteristics of high melting point, corrosion resistance and long life.

3. Heat value of spark plug
The heat value of the spark plug reflects its heat dissipation ability. Although the specific heat value of the K6RKAIP-11 spark plug is not given, choosing the right heat value is essential to ensure the normal operation of the spark plug under different working conditions. Generally speaking, hot spark plugs are suitable for low-speed engines, while cold spark plugs are more suitable for high-speed engines.

4. Spark plug ignition position and gap
Ignition position: The ignition position refers to the position of the spark plug electrode relative to the spark plug body. The ignition position of the K6RKAIP-11 spark plug is between ≥4 mm and <5 mm. This range ensures that the spark plug can accurately ignite the air-fuel mixture.
Gap: The gap of the spark plug refers to the distance between the center electrode and the ground electrode. The right gap can ensure that the spark is strong and stable, thereby improving combustion efficiency. Although the specific gap value of the K6RKAIP-11 spark plug is not given, the engine's ignition requirements and the spark plug gap standard need to be considered when selecting.