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Spark plug Denso Standard U20ESR-N 4221 Brand: DENSOItem number: 4221
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Electrode gap [mm]: | 0,8 | |
Heat number: | 20 | |
Number of side electrodes [pcs]: | 1 | |
Spanner jaw width: | 16 | |
Spanner size [mm]: | 16 hex | |
Spark plug series: | ||
Thread diameter [mm]: | 10 | |
Thread length [mm]: | 19 | |
Tightening torque [Nm]: | 12 | |
Weight [g]: | 30, 30.5 |
Product type: | Aftermarket |
EAN number: | 0042511422100 |
Zero defect, OE quality components from a consolidated range.
U-groove Technology
Improved Ignition, fuel saving, engine and emissions performance
Better fuel economy: U-groove Spark Plugs can ignite leaner mixtures; therefore reducing misfires.
Smoother running: the spark and the flame are not crushed between the electrodes giving the flame front more space; thus increasing engine performance.
Efficient combustion: The "U" shape allows the spark to fill the gap; creating an efficient combustion.
Lower emissions: U-groove combines the advantage of a bigger gap, while maintaining a standard space.
Durability: The "U-groove" shape is located on the ground electrode (as opposed to the centre electrode); the area the least affected by wear and tear to ensure a maximum lifespan.
Resistor spark plug
Intelligent design to minimise radio interferences
High quality Resistor: our full range of resistor plugs feature a metal sleeve artound the insulator and a protected connection point, to avoid potential interference with electronic equipment.
Reduces radio interferences: resistors located in the spark segment of the plug greatly reduce radiom interferences.
All-round electronicx systems performance: Resistors also avoid interferences with other electronic equipment including mobile telephones, ignition and management systems, ABS and navigation systems.
Heat range
The best heat range performance on the market
More heat ranges: DENSO spark plugs cover more heat ranges than any other manufacturers without compromise on quality and performance; ensuring the right choice for almost every application, with optimal engine performance.
Ideal operating temperature: The unique design of DENSO Spark Plug helps channelling the ideal amount of heat out of the combustion chamber, ensuring DENSO plugs run neither too hot (causing pre-ignition), nor too cold (causing carbon fouling)
For drivers that care about:
All-round performance
Long-lasting reliability
Value for money
Peace of mind
A popular choice
Denso, founded in 1949 as Nippon Electrical Equipments Co., Ltd, is one of the leading companies in the world in the field of automotive components manufacturing. A key moment in its history was the separation from Toyota Motor Co., Ltd and its establishment as an independent business. However, the collaboration with Toyota continued even after this, allowing Denso to remain one of Toyota's main suppliers.
From the beginning of its operations, the company aimed to create high-quality products. The strategy of innovation and product improvement was key. Denso engineers developed the world's first spark plugs with a platinum electrode and a ceramic spark plug, 12-point fuel injectors, a generator with a segment conductor or a planetary reducer, and an electrical variable valve timing system driven by the engine. A subsidiary of Denso even created the QR code.
Denso's product range is quite diverse and covers many aspects of the automotive industry. These include components for Common Rail fuel systems, diesel pumps, sensors and valves, spark and glow plugs, ignition coils, parts for air conditioning and engine cooling systems, fuel and cabin filters, starters and generators, as well as windshield wipers. The company's products are available for passenger and commercial vehicles, buses, and other transportation vehicles.
Denso continues to be an important player in the automotive industry, focusing on innovation, quality, and global development.
| Name | Quantity | Shipping / Pickup | Price | ||
|---|---|---|---|---|---|
NGK6965 | 8 pcs  | 23 June | 36 PLN |
Spark plug Denso Standard U20ESR-N 4221
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