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Ignition
Spark plugs
DENSO part number: IUH27D

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Spark Plug

DENSO part number: IUH27D

Where to buy?

GTIN/EAN

042511053885, 042511538849, 1004251153884

Packing unit

Quantity per packing unit

Status

No longer deliverable by the manufacturer

Replaced by DENSO part number:

VUH27D

Show all specifications

Part specifications

Technical Information

Ground:TAPERCUT. Terminal Shape:Thread

Description

Iridium Power

For OE number

980595991U

Connector type

Thread M4

Diameter [mm]

Spanner Size

Tightening Torque [Nm]

Net Weight [g]

Country Specific Design

Japan

Spark Plug

1 - Earthed Electrode

Thread Length [mm]

Gross Weight [g]

Alternative item

VUH27D

Catalogues and marketing materials

Browse the Downloads Area section

OE numbers

DENSO

067700-9570

5388

67700957

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.