DENSO IU01-24 RACING IRIDIUM SPARK PLUG

Compatible with MASERATI QUATTROPORTE V , ALFA ROMEO 8C (920_) , ALFA ROMEO 8C SPIDER (920_) Show more info
High-performance iridium spark plug designed for racing applications. Ensures optimal combustion and ignition.
43.65 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (14.09.2026)
PN IU01-24
Make DENSO
EAN 042511057340 10042511573441 042511573444

This DENSO IU01-24 is a premium racing spark plug featuring an iridium center electrode. Iridium offers superior durability and a lower required voltage, leading to a hotter spark and more efficient combustion. Engineered for demanding racing conditions, this spark plug provides enhanced ignition performance and reliability. Its advanced design helps to prevent fouling and ensures consistent performance under high stress. Upgrade your vehicle's ignition system with this top-tier spark plug for improved throttle response and power delivery. It is built to withstand extreme temperatures and pressures found in motorsport.

  • Brand: DENSO
  • Part Code: IU01-24
  • Type: Racing Spark Plug
  • Electrode Material: Iridium
  • Designed for high-performance and racing use
  • Ensures strong spark and efficient combustion
  • Durable construction for extreme conditions
  • Improves ignition reliability and power output
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
M10x1.0
Thread length [mm]
19
Diameter [mm]
+10
OE-number
31911KRN731
Connection technology
Removable SAE
Wrench size
16 mm
Tightening torque [Nm]
1/2"
Mass [g]
4+2
Gross weight [g]
45
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  • MASERATI
    • QUATTROPORTE V
      • 4.7 S (317kW/431PS)
      • 4.7 GT S (323kW/439PS)
      • 4.7 GT S (331kW/450PS)
    • 4200 GT SPYDER Kabriolets
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    • 4200 GT / COUPE Coupe
      • 4.2 (287kW/390PS)
      • 4.2 (291kW/396PS)
    • MC 12
      • 6.0 (464kW/632PS)
    • GRANSPORT Coupe
      • 4.2 (295kW/400PS)
    • GRANSPORT Kabriolets
      • 4.2 (295kW/400PS)
    • GRAN TURISMO I
      • 4.2 (298kW/405PS)
      • 4.7 S (323kW/439PS)
      • 4.7 (331kW/450PS)
    • GRANCABRIO
      • 4.7 (323kW/439PS)
      • 4.7 (331kW/450PS)
  • ALFA ROMEO
    • 8C (920_)
      • 4.7 (920AXA1A) (331kW/450PS)
    • 8C SPIDER (920_)
      • 4.7 (920BXA1A) (331kW/450PS)
  • FERRARI
    • F430 Spider
      • Scuderia 16M (372kW/506PS)
      • 4.3 F430 (360kW/490PS)
      • F430 (357kW/486PS)
    • 360 (F131)
      • 3.6 Modena (294kW/400PS)
      • 3.6 Challenge Stradale (313kW/425PS)
      • 3.6 Challenge (305kW/415PS)
      • 3.6 Modena (316kW/430PS)
    • 599 GTB/GTO
      • 6.0 GTO (493kW/670PS)
      • 6.0 GTB (456kW/620PS)
      • 6.0 GTO (489kW/665PS)
    • 360 Spider (F131)
      • 3.6 (294kW/400PS)
    • ENZO FERRARI
      • 6.0 (485kW/660PS)
    • F430
      • F430 (360kW/490PS)
      • 430 Scuderia (375kW/510PS)
      • F430 (357kW/486PS)
      • 430 Scuderia (372kW/506PS)
  • HONDA
    • CRF
      • CRF 250 R (32kW/44PS)
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