DENSO IU31A Spark Plug

Compatible with SUZUKI GSX-R (124cc - 750cc) , YAMAHA YZF-R , YAMAHA FZ Show more info
DENSO IU31A spark plug designed for optimal ignition and engine performance. Ensures reliable starting and smooth operation.
11.19 EUR
inc. VAT 21%
In stock 20
Delivery 1 day (14.05.2026)
PN IU31A
Make DENSO
EAN 042511053670 10042511536743 042511536746

The DENSO IU31A spark plug is engineered to deliver consistent and powerful sparks, crucial for efficient combustion. Its advanced design promotes fuel economy and reduces emissions, contributing to a cleaner and more responsive engine. Crafted with high-quality materials, this spark plug offers excellent durability and resistance to fouling, ensuring a long service life. It is designed to meet the demanding requirements of modern engines, providing reliable performance under various driving conditions. Properly functioning spark plugs are vital for maintaining engine health. The DENSO IU31A ensures that your engine receives the precise spark needed for optimal power output and smooth idling, making it an essential component for your vehicle's maintenance.

  • OE-quality spark plug for reliable ignition
  • Ensures efficient combustion and fuel economy
  • Durable construction for extended service life
  • Reduces emissions for a cleaner environment
  • Promotes smooth engine operation and starting
  • Designed to meet stringent engine performance standards
  • Resistant to fouling for consistent performance
Ignition spark plug
1-mass electrode
Distance between electrodes [mm]
0,9
Thread size
M10x1.0
Thread length [mm]
19
Diameter [mm]
+10
OE-number
J4520IU31A
Connection technology
Removable SAE
Wrench size
16 mm
Tightening torque [Nm]
1/2"
Mass [g]
[30
Gross weight [g]
33
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  • SUZUKI
    • GSX-R (124cc - 750cc)
      • GSX-R 750 /P (GR7BB) (74kW/101PS)
      • GSX-R 750 /M (GR7BB) (74kW/101PS)
      • GSX-R 750 /L (GR7AB) (74kW/101PS)
  • YAMAHA
    • YZF-R
      • YZF-R6 (RJ15) (91kW/124PS)
      • YZF-R6 WGP 50th Anniversary (RJ15) (91kW/124PS)
      • YZF-R6 (RJ15) (95kW/129PS)
      • YZF-R6 (RJ03) (72kW/98PS)
      • YZF-R6 (RJ09) (86kW/117PS)
      • YZF-R6 (RJ05) (86kW/117PS)
      • YZF-R6 (RJ09) (88kW/120PS)
      • YZF-R6 S (RJ09) (88kW/120PS)
      • YZF-R6 (RJ03) (88kW/120PS)
      • YZF-R6 (RJ11) (93kW/127PS)
      • YZF-R6 (RJ11) (78kW/106PS)
      • YZF-R6 (91kW/124PS)
      • YZF-R6 (RJ27) (87kW/118PS)
    • FZ
      • FZ 6 (RJ07) (25kW/34PS)
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