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2025-12-03

An overview of automotive spark plugs

An overview of automotive spark plugs
Spark plugs are critical components in gasoline engines, responsible for igniting the air-fuel mixture in the combustion chamber. They create a spark that initiates combustion, which powers the engine.

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2025-12-03

Here are some important precautions to consider when using spark plugs

Here are some important precautions to consider when using spark plugs
1. **Correct Type**: Always use the correct type and specification of spark plug recommended by the vehicle manufacturer. Different engines require different spark plugs. 2. **Installation Torque**: Ensure that spark plugs are installed with the correct torque. Over-tightening can damage the threads, while under-tightening can lead to poor performance.

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2025-12-03

Choosing the right spark plug is crucial for optimal engine performance

Choosing the right spark plug is crucial for optimal engine performance
Choosing the right spark plug is crucial for optimal engine performance. Here are some key points to consider when selecting spark plugs: ### 1. **Compatibility** - **Vehicle Specifications**: Always refer to your vehicle's owner manual for the recommended spark plug type, heat range, and gap size. - **Engine Type**: Different engines (e.g., gasoline, diesel, high-performance) may require specific types of spark plugs.

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When dealing with high-voltage lines in automotive applications

When dealing with high-voltage lines in automotive applications

1. **Safety Precautions**: Always follow safety protocols when working with high-voltage systems. Use appropriate personal protective equipment (PPE) such as insulated gloves and safety goggles. 2. **Proper Insulation**: Ensure that high-voltage wires are properly insulated to prevent electrical shorts and reduce the risk of shock. Inspect insulation regularly for wear or damage. 3. **Secure Connections**: Ensure that all connections are tight and secure to prevent arcing or disconnection. Use connectors that are rated for high voltage applications.

03

2025/12

Here are some important considerations for car spark plugs

Here are some important considerations for car spark plugs

1. **Compatibility**: Ensure that the spark plugs you choose are compatible with your vehicle's make and model. Refer to the owner's manual for specifications. 2. **Gap Measurement**: Check the spark plug gap before installation. The gap should match the manufacturer's specifications for optimal performance. 3. **Torque Specifications**: When installing spark plugs, use a torque wrench to tighten them to the recommended torque specifications to avoid damage to the cylinder head.

03

2025/12

Cable Splitter Line Types and Classification

Cable Splitter Line Types and Classification

Four-cylinder engine coil-on-plug wires: Commonly found in passenger cars, typically consisting of four independent wires. Six- or eight-cylinder engine coil-on-plug wires: More complex in design, requiring precise matching to the ignition sequence.

10

2025/11

The Core Role of Cable Branching Cables

The Core Role of Cable Branching Cables

The distributor wire (also known as the firing wire or high-voltage ignition wire) is a critical component of the traditional automotive ignition system. Its primary function is to precisely transmit the high voltage—typically reaching tens of thousands of volts—generated by the ignition coil directly to the spark plugs, igniting the air-fuel mixture inside the cylinders and thereby driving the engine to operate.

10

2025/11

Spark Plug Replacement Cycle and Influencing Factors

Spark Plug Replacement Cycle and Influencing Factors

Engine type affects lifespan: Turbocharged engines: Operate at high temperatures, reducing spark plug life by 30%-50%. Replacement is recommended every 20,000 to 40,000 kilometers.

10

2025/11

The working principle of spark plugs

The working principle of spark plugs

High-voltage power introduction: The ignition coil boosts the 12V voltage to over 10,000 volts, which is then transmitted via high-tension wires to the spark plugs.

10

2025/11

The spark plug is the core component of a gasoline engine's ignition system.

The spark plug is the core component of a gasoline engine's ignition system.

Center electrode: Receives high-voltage electricity and forms a discharge gap with the side electrode. Side electrode: Welded onto the housing, working in conjunction with the center electrode to generate a spark.

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2025/11

HEJIAN JINGZHI 
Auto Parts Co., Ltd.

A Leading OEM/ODM Partner for Automotive Spark Plugs and Ignition Cables

+86 15128788881，+86 15128788880

sales@sparkplugwire.com

East of Chang Village, Wofotang Town, Hejian City, Cangzhou City, Hebei Province, China

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