Spark Plug

Compatible with FERRARI 208/308 Coupe , CAGIVA 125 , APRILIA AF-1 Show more info
DENSO Iridium spark plug designed for optimal ignition and engine performance.
11.47 EUR
inc. VAT 21%
In stock 86
Delivery 1 day (14.05.2026)
PN IW29
Make DENSO
EAN 042511053182 10042511531847 042511531840

This DENSO Iridium spark plug, part code IW29, is engineered to deliver superior ignition performance. Its advanced iridium construction ensures durability and consistent spark energy, contributing to improved fuel efficiency and smoother engine operation. Designed for a wide range of applications, the IW29 provides reliable starting and sustained power output. Trust DENSO's commitment to quality for your vehicle's ignition system. Key features include a fine-wire iridium center electrode for precise spark gap and reduced voltage requirement, along with a U-groove ground electrode to enhance ignitability and reduce fouling.

  • Iridium center electrode for enhanced durability and performance
  • U-groove ground electrode for improved ignitability
  • Ensures consistent spark and optimal combustion
  • Contributes to better fuel economy
  • Provides reliable starting and smooth engine operation
  • DENSO quality and engineering
Ignition spark plug
1-mass electrode
Distance between electrodes [mm]
0,7
Thread size
M14x1.25
Thread length [mm]
19
Diameter [mm]
1:4
OE-number
J4520IW29
Connection technology
Crimped SAE
Wrench size
20.6 mm
Tightening torque [Nm]
2+2
Mass [g]
56
Gross weight [g]
59
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  • FERRARI
    • 208/308 Coupe
      • 208 Turbo (162kW/220PS)
  • CAGIVA
    • 125
      • Mito Evo (22kW/30PS)
      • Mito I (22kW/30PS)
      • Mito Evo (11kW/15PS)
      • Mito II (22kW/30PS)
      • Mito I (11kW/15PS)
      • Mito II (11kW/15PS)
  • APRILIA
    • AF-1
      • AF-1 125 Replica (18kW/24PS)
      • AF-1 125 Sport Pro (18kW/24PS)
      • AF-1 125 (20kW/27PS)
      • AF-1 125 Replica (20kW/27PS)
      • AF-1 125 Futura (18kW/24PS)
      • AF-1 125 Sinesi Replica (20kW/27PS)
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