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Spark Plug

DENSO part number: ZK20HQR8

Where to buy?
Packing unit
1
Quantity per packing unit
1
Status
No longer deliverable by the manufacturer
Replaced by DENSO part number:
 VKH20Y
Show all specifications
Part specificationsCatalogues and marketing materialsOE numbersGeneral product information

Part specifications

Technical Information
Terminal Shape:Solid. Ground:Platinum
Description
Iridium
Spark Plug
With resistor, 1 - Earthed Electrode, Iridium Middle Electrode
Electrode Gap [mm]
0,8
Thread Size
M14x1.25
Thread Length [mm]
26,5
Diameter [mm]
14
Connector type
Solid SAE
Spanner Size
16 mm
Tightening Torque [Nm]
22
Alternative item
VKH20Y

Catalogues and marketing materials

Browse the Downloads Area section

OE numbers

General product information

Known as the ‘heart of the engine’, spark plugs play a key role in the ignition and performance of the entire engine. The well-timed combustion of the fuel-air mixture of gasoline and oxygen is what generates power in gasoline engines. The precise timing of the spark created by the spark plug ignites the fuel, triggering combustion.

To create this spark, a high voltage is passed between the centre electrode and ground electrode of the spark plug. This voltage breaks down the natural insulation between these electrodes and an electrical spark is generated. Although this strong spark only lasts for about 1/1,000 of a second, it has to be precisely and reliably timed to trigger the combustion of the fuel-air mixture.

DENSO Spark Plug
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