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Spark plugs play an important role in ensuring the smooth operation of the engine of any car. Spark plug is a device necessary to ignite the fuel-air mixture in internal combustion engines of the vehicles. The mixture is ignited immediately when the spark passes between the spark plug electrodes. Hence, there appeared another name of the part - a spark plug. The spark plug operates in all types of ignition systems: electronic, contact and contactless. The spark plug has the following construction: contact bar, centre electrode, insulator and housing.

If you equip your vehicle with quality spark plugs, you will immediately notice a number of advantages. First, there is a reduction of load on the engine and its work is improved both when idle and when the engine is cold. Second, the torque throughout the rev range is increased and dynamics and flexibility of the engine are greatly improved. And thirdly, the fuel consumption and emissions of pollutants are reduced.

The main cause of early failure of the plugs is their contamination with products of incomplete combustion or spark gap increase because of wear of the electrodes. At the same time a decisive influence on the performance of sparks has the technical condition of the vehicle engine. You can tell a lot about the engine when examining the appearance of a plug. Inspection of the plug should be carried out after a long operation of the engine. An ideal variant is to inspect the plugs immediately after a long- distance trips by suburban highway.

How to reduce consumption of gasoline and to increase in engine power? How to ensure a stable safe operation of spark plugs in different operating conditions? Purchase spark plugs in our online shop at the best manufacturer prices. And we will make sure the delivery to be carried out in short terms. In addition to spark plugs, in our online store you can also buy ignition coil, ignition module or control unit.

What is necessary to know about spark plugs replacement: lifetime limits, common defects and their signs, tips and recommendations

Lifetime of the spark plugs depends on their type and quality of fuel used and car operation conditions. Manufacturers recommend to perform replacement of the nickel plugs every 20 000 – 30 000 operational kilometers. Platinum spark plugs serve longer, for about 60 000 – 70 000 kilometers. Lifetime limit of the iridium spark plugs reaches 80 000 – 100 000 kilometers of mileage. If the components break down earlier, they should be immediately replaced.

Common defects of the spark plugs are: formation of carbon, oil or fuel deposits on the electrodes, wear, melting or corrosion of the electrodes, thermal damages and wear of the plug socket, cracking or soiling of the isolator.

Necessity of spark plugs diagnostics can be detected by such signs as worsened car dynamics, troubled start, lowered power, unstable operation of the engine at idling. Also fuel consumption increases, jerks and excessive noise during engine start appear.

Components defects can be diagnosed during visual inspection. The blackened spark plugs may indicate heat rating too high for this engine, defects of high-voltage wiring or the isolator. White deposits on the spark plug, on the opposite, may indicate too low heat rating. Reddish tinge on the components also indicates necessity of their replacement. Operative components should have no patina nor oil or fuel stains.

In order to replace the spark plugs kit, you need to contact a service station. This is determined by labour intensity of the procedure, necessity of working with high-voltage wires and usage of special tools. It is very important to prevent ingress of dust and litter to plugs mounting seats, and observe tightening torque of the plug, during work performance.