DENSO IW01-31 RACING IRIDIUM SPARK PLUG

High-performance iridium spark plug designed for racing applications. Engineered by DENSO for superior ignition and durability.
38.79 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (14.09.2026)
PN IW01-31
Make DENSO
EAN 042511057166 10042511571645 042511571648

This DENSO IW01-31 is a premium racing spark plug featuring an iridium center electrode. Iridium offers exceptional resistance to wear and high temperatures, ensuring consistent performance even under extreme racing conditions. The advanced design of this spark plug promotes efficient combustion, leading to improved throttle response and power output. It is built to withstand the demands of high-performance engines, providing reliable ignition and a long service life. DENSO is a globally recognized leader in ignition technology, and this racing spark plug reflects their commitment to quality and innovation. Upgrade your vehicle's ignition system with this top-tier component for optimal performance.

  • Brand: DENSO
  • Part Code: IW01-31
  • Type: Racing Iridium Spark Plug
  • Material: Iridium center electrode
  • Application: High-performance and racing engines
  • Benefit: Enhanced ignition, improved power and throttle response
  • Durability: High resistance to wear and extreme temperatures
  • Manufacturer: DENSO
Ignition spark plug
with resistor
Ignition spark plug
1-mass electrode
Ignition spark plug
Iridium central electrode
Distance between electrodes [mm]
0,6
Thread size
M14x1.25
Thread length [mm]
19
Diameter [mm]
1:4
OE-number
J4520IW0131
Connection technology
Crimped SAE
Wrench size
20.6 mm
Tightening torque [Nm]
2+2
Mass [g]
49
Gross weight [g]
52°
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