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DENSO Iridium Power Spark Plug [IW16] 5305

DENSO Iridium Power Spark Plug [IW16] 5305
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DENSO Iridium Spark Plug IW16 - Single Plug

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Description:
DENSO Iridium Power Spark Plug [IW16] 5305

Please use our DENSO Spark Plug Lookup or contact us to find the right spark plug for your car

DENSO has been setting the standard for spark plug technology since 1959. They develop all of their ranges in-house, and manufacture them in their own ISO9000 certified factories worldwide - with 'zero defects' as standard. They also provide this outstanding OE quality to the aftermarket. Including Standard, Platinum and Iridium, DENSO Spark Plugs cover a complete range of continually updated references. Guaranteeing optimum engine performance, choose DENSO Spark Plugs for every automotive, motorcycle, marine and small engine application.

DENSO's Iridium Power Spark Plugs bring all the benefits of iridium technology to the mainstream motorist. Whatever type of car you drive - DENSO's Iridium Power Plugs are extremely tough and wear-resistant, with superb ignitability. Responding to increasingly strict European emissions legislation and the rising cost of petrol, another important benefit for motorists is that Iridium Power Plugs can improve fuel economy by up to 5% compared to standard plugs.

Iridium Power is recommended for drivers who care about:

  • Performance
    By using a 0.4mm diameter iridium alloy centre electrode and a special ground electrode, Iridium Power realises spark performance unseen until now. It steadily gives a high level of response under a variety of driving conditions. The result? Increased acceleration and torque compared to regular plugs.
  • Mileage
    If you use your car on a daily basis, you may be concerned about fuel consumption. Iridium Power is one solution. Even during idling ignition is assured, with less fuel consumption and less noise. The good ignitability from the fine electrode (0.4mm) of Iridium Power draws out much more performance from the engine.
  • Horse Power
    Iridium Power has a low required voltage and a high ignitability, resulting in less misfiring and no spark, the outcome being a dramatic improvement in combustion. Engine output is therefore increased.
  • Acceleration
    Iridium Power best demonstrates its performance improvement during acceleration. Iridium Power has a 0.4 mm diameter iridium centre electrode and a specially shaped ground electrode. These features combine to achieve higher ignitability and require lower spark voltage than ever before. This enables high-response driving with fewer misfires than under higher required voltage spark conditions, and fewer misfires when ignitability is difficult. As a result, acceleration improves in comparison with normal plugs.

General Details:

for OE number12-12-9-061-444
Connector typeCrimped SAE
Diameter [mm]14
Spanner Size20.6
Tightening Torque [Nm]22
Weight [g]56
Country Specific DesignJapan
Spark Plug1 - Earthed Electrode
Thread Length [mm]19
Gross Weight [g]59

Additonal Images:

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Benefits:

  • Improved cold-starting
  • More efficient fuel consumption
  • Better engine performance and acceleration
  • Smoother idling performance and throttle response
  • Original equipment quality now available to the aftermarket
  • Plugs available for all applications
  • Lower required voltage and high ignitability
  • Suitable for high response driving

Fitment / Compatibility:

HARLEY-DAVIDSON
  • BAD BOY - 1340 Bad Boy (FXSTB) 1338 CC
  • BAD BOY - 1340 Bad Boy (FXSTB) 1338 CC
  • DYNA - 1340 Dyna Super Glide (FXD) 1338 CC
  • DYNA - 1340 Dyna Fat Bob (FXEF) 1338 CC
  • DYNA - 1340 Dyna Fat Bob (FXEF) 1338 CC
  • DYNA - 1340 Dyna Disc Glide (FXRDG) 1338 CC
  • DYNA - 1340 Dyna Glide Low Rider 1338 CC
  • DYNA - 1340 Dyna Glide Sturgis 1338 CC
  • DYNA - 1340 Dyna Low Rider Convertv 1338 CC
  • DYNA - 1340 Dyna Low Rider 1338 CC
  • DYNA - 1340 Dyna Glide Low Rider 1338 CC
  • DYNA - 1340 Dyna Glide Daytona 1338 CC
  • DYNA - 1340 Dyna Glide Custom 1338 CC
  • DYNA - 1340 Dyna Wide Glide 1338 CC
  • DYNA - 1340 Dyna Super Glide 1338 CC
  • DYNA - 1340 Dyna Glide Convertible 1338 CC
  • DYNA - 1340 Dyna Wide Glide 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Classic 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Sport 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Classic 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Classic 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Road King Classic 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Classic 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Standard 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Classic 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Road King 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Sport 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Sport 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Classic 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Classic 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Classic 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Road King 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Classic 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Classic (FLHTC) 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide (FLH) 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide (FLH) 1338 CC
  • ELECTRA GLIDE - 1200 Electra Glide Sport (FLHS) 1207 CC
  • ELECTRA GLIDE - 1340 Electra Glide Sport (FLHS) 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Ultra Classic (FLHTUI) 1338 CC
  • ELECTRA GLIDE - 1340 Electra Glide Sport 1338 CC
  • FAT BOY - 1340 Fat Boy 1338 CC
  • FAT BOY - 1340 Fat Boy 1338 CC
  • FAT BOY - 1340 Fat Boy 1338 CC
  • GRAND TOURING EDITION - 1340 Grand Touring Edition 1338 CC
  • HERITAGE - Heritage Softail Classic 1338 CC
  • HERITAGE - Heritage Softail 1338 CC
  • HERITAGE - Heritage Softail Classic 1338 CC
  • HERITAGE - Heritage Softail Nostalgia 1338 CC
  • HERITAGE - Heritage Softail Special 1338 CC
  • HERITAGE - Heritage Springer 1338 CC
  • HERITAGE - Heritage Softail Classic 1338 CC
  • HERITAGE - Heritage Softail Special 1338 CC
  • HERITAGE - Heritage Softail 1338 CC
  • HERITAGE - Heritage Softail Classic 1338 CC
  • LOW RIDER - 1340 Low Rider Custom 1338 CC
  • LOW RIDER - 1340 Low Rider Sport Edition 1338 CC
  • LOW RIDER - 1340 Low Rider 1338 CC
  • LOW RIDER - 1340 Low Rider Convertible 1338 CC
  • LOW RIDER - 1340 Low Rider Sport Edition 1338 CC
  • LOW RIDER - 1340 Low Rider Convertible 1338 CC
  • LOW RIDER - 1340 Low Rider Custom 1338 CC
  • LOW RIDER - 1340 Low Rider 1338 CC
  • LOW RIDER - 1340 Low Rider Sport Edition 1338 CC
  • LOW RIDER - 1340 Low Rider Custom 1338 CC
  • LOW RIDER - 1340 Low Rider Convertible 1338 CC
  • LOW RIDER - 1340 Low Rider 1338 CC
  • LOW RIDER - 1340 Low Rider (FXRS) 1338 CC
  • LOW RIDER - 1340 Low Rider (FXS) 1338 CC
  • LOW RIDER - 1340 Low Rider (FXSB) 1338 CC
  • NIGHT TRAIN - 1340 Night Train 1338 CC
  • ROAD KING - 1340 Road King (FLHR) 1338 CC
  • ROAD KING - 1340 Road King Classic (FLHRCI) 1338 CC
  • SOFTAIL - 1340 Softail 1338 CC
  • SOFTAIL - 1340 Softail Custom 1338 CC
  • SOFTAIL - 1340 Softail 1338 CC
  • SOFTAIL - 1340 Softail Springer 1338 CC
  • SOFTAIL - 1340 Softail (FXST) 1338 CC
  • SOFTAIL - 1340 Softail Custom 1338 CC
  • SOFTAIL - 1340 Softail Springer 1338 CC
  • SOFTAIL - 1340 Softail Springer 1338 CC
  • SOFTAIL - 1340 Softail Custom 1338 CC
  • SOFTAIL - 1340 Softail Standard 1338 CC
  • SOFTAIL - 1340 Softail Custom 1338 CC
  • SOFTAIL - 1340 Softail Springer 1338 CC
  • SPORT GLIDE - Sport Glide 1338 CC
  • SPORT GLIDE - Sport Glide 1338 CC
  • SPORT GLIDE - Sport Glide 1338 CC
  • STURGIS - 1340 Sturgis (FXB) 1338 CC
  • SUPER GLIDE - 1340 Super Glide (FXR) 1338 CC
  • SUPER GLIDE - 1340 Super Glide 1338 CC
  • SUPER GLIDE - 1340 Super Glide 1338 CC
  • SUPER GLIDE - 1340 Super Glide 1338 CC
  • TOUR GLIDE - 1340 Tour Glide Classic 1338 CC
  • TOUR GLIDE - 1340 Tour Glide Classic 1338 CC
  • TOUR GLIDE - 1340 Tour Glide Classic 1338 CC
  • TOUR GLIDE - 1340 Tour Glide Classic 1338 CC
  • TOUR GLIDE - 1340 Tour Glide (FLT) 1338 CC
  • TOUR GLIDE - 1340 Tour Glide Classic (FLTC) 1338 CC
  • ULTRA CLASSIC - Ultra Classic Electra Glide 1338 CC
  • ULTRA CLASSIC - Ultra Classic Electra Glide 1338 CC
  • ULTRA CLASSIC - Ultra Classic Tour Glide 1338 CC
  • ULTRA CLASSIC - Ultra Classic Electra Glide 1338 CC
  • ULTRA CLASSIC - Ultra Classic Electra Glide 1338 CC
  • ULTRA CLASSIC - Ultra Classic Electra Glide 1338 CC
  • ULTRA CLASSIC - Ultra Classic Electra Glide 1338 CC
  • ULTRA CLASSIC - Ultra Classic Tour Glide 1338 CC
  • ULTRA CLASSIC - Ultra Classic Tour Glide 1338 CC
  • ULTRA CLASSIC - Ultra Classic Electra Glide 1338 CC
  • ULTRA CLASSIC - Ultra Classic Electra Glide 1338 CC
  • WIDE GLIDE - 1340 Wide Glide (FXWG) 1338 CC
  • WIDE GLIDE - 1340 Wide Glide (FXWG) 1338 CC

Spark Plug Health Check

Use Spark Plugs To Check Your Engine Health
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Heat Ranges Explained

Learn what a spark plugs heat range means, and how it can effect your engine
Read More

Heat Cross Reference

Use our spark plug heat range cross reference table
Cross Reference Heat Range

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We say...

"A premium, high-performance spark plug with extra-long life"