Auto Spark Plugs Gaz Sobol Geely Hafei Holden Nova 1.5L 2.5L (1991-) DR17YC/A

1, OE Number or Parts Number

DR17YC/A / 3706950 / FR 3CLS / FR 3LS / 14F-8 DU0 / 0 002 330 703 / 0 001 330 707 / RC1 0YCC / OE016

2, Fit Model

3 , Testing And Warranty

4 , Calorie value

The spark plug acts as a terminal part of the engine ignition system and plays a vital role. The spark plug calorific value is the spark plug heat and cooling capacity of an indicator, its own heat dissipation is called calorific value.
Spark plug calorie value
Spark plug calorie value includes 1 to 9 nine figures, of which 1 - 3 for the low calorific value, 4 - 6 for the calorific value, 7 - 9 for the high calorific value. The original spare parts spark plug heat value is generally 5,6,7 three kinds, can be a lot of heat called cold spark plug, that is, high calorific value spark plug, cold spark plug (high calorific value) of the insulator skirt is relatively short, due to heat The way is relatively short, the heat is relatively more, so it is not easy to cause the center electrode temperature rise. Relative heat dissipation is called hot spark plug, that is, low calorific value spark plug.
Hot type spark plug (low calorific value) of the insulator skirt longer, when the cylinder temperature is arranged evenly, the longer the skirt, the greater the area of ​​heat, the longer the conduction heat distance, so less heat, the central electrode temperature rise high. In general, low calorific value of the spark plug is more suitable for low-speed low compression ratio of low-power engine, and high calorific value spark plug is suitable for high-speed high compression ratio of high-power engine. The smaller the value, the more the "cold", the smaller the value, the smaller the heat dissipation of the spark plug, the more "hot", the calorific value, depending on the cylinder mixture temperature and spark plug design.
Spark plug is a "cold type" or "hot type" directly determines its own cooling capacity, that is, the spark of the original heat value directly determines its working environment temperature.
For the spark plug working environment temperature requirements are very high, the spark plug heat is neither too big nor too small, to ensure that the working temperature of the spark plug, it must match the original calorific value. Under normal circumstances, the difference between the drop in a control, if the drop is too large, ranging from the impact of engine power output, while the spark plug damage, and thus damage the engine.
Many people know that the spark when the spark plugs can not be less than the original heat value, but that is higher than the original heat value is not, in fact, this is wrong. Dress up the spark plug, do not too much to pursue high prices of high calorific value of the spark plug, should refer to the original calorific value of the key factors to match, or easy to cause great impact on the engine performance.

5 , FAQ (Fluently Asked Questions)

Q1. Can you produce according to the samples?
1, Yes,we can offer a sample,also for some items,the sample is free,for others,not. It depends.Please feel free to contact us for more information about the sample.
And buyers should pay for the shipping fee.

Q2. What is your sample policy?
1, We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q3. Do you test all your goods before delivery?
1, Yes, we have 100% test before delivery.

Q4. What is your terms of payment?
1, T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q5. I want to buy your products, how can I pay?

1, Through bank transfer,we'll show the account information on PI.

2, Others:We can make specifications according to customer's requirement.

  Shanghai Hongshi Mechanical Co., Ltd is the production of auto parts as the main product of the enterprise. In order to facilitate the export of goods and the reception of customers, the board of directors decided to set up a professional sales company. So the Shanghai Hongshi Mechanical Co., Ltd was founded in Shanghai in 2015. Our company own 5 factories and cooperate with 13 factories. The factory covers an area of 200 thousand square meters, mainly in Anhui, Jiangsu, Zhejiang, Shandong, Hebei provinces. The main products: ignition coil, spark plug, spark plug, nozzle, filter, solar term door, fuel pump, brake, starter, engine, compressor, blower control module and other auto parts. We have the ability to provide customers with mass production and diversity.

  Our factories have professional professors, senior engineers and other technical personnel, and constantly research and develop the new materials, more durable, safer products. The structure is more optimized and the cost is lower. Enjoy a high reputation in the industry.

  Our factories has advanced equipment of production, such as: high precision sealing machine imported from Germany (brand name: Heydrich), high speed automatic winding machine from Japan, all kinds of equipment of testing and application by homemade, fully automated assembly line production, advanced casting equipment, cold extrusion equipment, high-precision CNC processing equipment, and advanced ceramic manufacturing equipment. Provide a strong guarantee for the quality of our products and our reputation.

  Our products manufactured by the factory are strictly inspected by the quality department before they can be sent to the customer. The quality engineers conduct a rigorous inspection of the raw material and process of the product. Conduct effective testing of products using various simulated laboratory equipment to make sure the product safely and durably.

  Our current dozens of types of products are exported to North America, South America, Europe, Asia and part of Africa. In 2016, our customers were satisfied with our products and services by 98%. We will continue to strive to provide customers with better products and services.

The pursuit of customer satisfaction is the eternal goal of every employee of Xineng. For those who use our accessories, happy travel, safe home. It is the target of fine production for our staff.