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NGK Laser Iridium Spark Plug | DILKAR7B11

Infiniti G35, M35, QX56 4WD, EX35 AWD, QX56 RWD, FX35 AWD, Q50 AWD, Q50 RWD, FX35 RWD, Q70 AWD & more
Nissan Altima, Maxima, Pathfinder 4WD, Quest, Murano AWD, Murano FWD, 350Z, Titan RWD, Titan 4WD, Murano & more
$16.99
Reg
$17.70
List
$24.61
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Make Sure It Fits

P/N: DILKAR7B11 NGK Laser Iridium
Cross References:
  • 1406
  • W01331910323

Spark plugs provide the spark needed to ignite the air/fuel mixture in each cylinder for engine combustion. High voltage from the ignition coil is transferred through the spark plug to an air gap between the spark plug tip and the spark plug ground to the engine. Once the voltage reaches the air gap, the voltage jumps the gap in the form of a spark, igniting a compressed air fuel charge inside the cylinder. The air fuel charge explodes, creating the force needed to push the cylinder down and turning the engine crankshaft to propel the engine. In short, spark plugs serve a vital function in keeping your vehicle running properly.

Components of a Spark Plug
  • A metal terminal that connects to the ignition system
  • A center electrode for current to flow through the spark plug with a tip for the current to jump making the spark
  • A ribbed ceramic insulator to keep current flowing through the spark plug center electrode and not into other parts of the engine
  • A threaded metal case to anchor the spark plug into the cylinder head with a ground electrode for the spark to jump to
  • A seal to seal the spark plug case to the cylinder head to prevent cylinder compression from escaping
Types of Spark Plugs

The biggest differences in spark plug construction are the materials used for the electrodes, their conductivity, and their wearability.

  • Copper is the base material for the center electrode on most spark plugs as it provides superb conductivity. These tend to wear quickly from the electrical transfer created by the spark and fully copper spark plugs need to be replaced every 15,000 miles.
  • Copper core spark plugs with yttrium or nickel tipped electrodes and grounds take longer to wear and can last up to 30,000 miles.
  • Platinum tipped copper core electrodes wear even less, provide superior conductivity, and can last up to 60,000 miles.
  • Iridium tipped copper core spark plugs wear the least and can last over 100,000 miles.

When a spark plug fails prematurely it will provide a weak spark or no spark at all. Causes of premature spark plug failure can include oil leaking from the valve cover into the spark plug chamber, your engine running too lean and overheating the spark plug, and your engine running too rich and fuel fouling the plug.

Most engines are designed to run on only one type of spark plug based on its use. Be sure to check your owner’s manual for the right type of spark plug needed for your vehicle.

View more NGK Spark Plugs.

Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

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What This NGK Laser Iridium Spark Plug Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

Infiniti
08-12 - EX35 AWD Base, Journey
Iridium-Platinum Resistor
08-12 - EX35 RWD Base, Journey
Iridium-Platinum Resistor
09-12 - FX35 AWD
Iridium-Platinum Resistor
09-12 - FX35 RWD
Iridium-Platinum Resistor
09-13 - FX50
Iridium-Platinum Resistor
11-12 - G25 Base, Journey, X
Iridium-Platinum Resistor
07-08 - G35 Base, Journey, Sport, X
Iridium-Platinum Resistor
13-13 - JX35 AWD
Iridium-Platinum Resistor
13-13 - JX35 FWD
Iridium-Platinum Resistor
09-10 - M35 Base, X
Iridium-Platinum Resistor
12-13 - M35h
Iridium-Platinum Resistor
11-13 - M56 Base, X
Iridium-Platinum O.E.M. Recommended Resistor
14-16 - Q50 AWD Hybrid Premium, Hybrid Sport
Iridium-Platinum Resistor
14-16 - Q50 RWD Hybrid Premium, Hybrid Sport
Iridium-Platinum Resistor
14-14 - Q60 IPL, Journey, S
Iridium-Platinum Resistor
14-14 - Q60 AWD
Iridium-Platinum Resistor
14-14 - Q60 RWD
Iridium-Platinum Resistor
14-17 - Q70 Hybrid
Iridium-Platinum Hybrid Resistor
14-17 - Q70 AWD 5.6
Iridium-Platinum Resistor
Nissan
07-09 - 350Z Base, Enthusiast, Grand Touring, Nismo, Touring
Iridium-Platinum Resistor
08-17 - Altima S, SE, SL, SR, SV
Iridium-Platinum Resistor
17-17 - Armada AWD Platinum, SL, SV
Iridium-Platinum Resistor
17-17 - Armada RWD Platinum, SL, SV
Iridium-Platinum Resistor
09-17 - Maxima Platinum, S, SL, SR, SV
Iridium-Platinum Resistor
09-14 - Murano CrossCabriolet, LE
Iridium-Platinum Resistor
09-17 - Murano AWD LE, Platinum, Platinum Hybrid, S, SL & more
Iridium-Platinum Resistor
09-17 - Murano FWD LE, Platinum, Platinum Hybrid, S, SL & more
Iridium-Platinum Resistor
13-17 - Pathfinder 4WD Platinum, S, SL, SV
Iridium-Platinum Resistor
13-17 - Pathfinder FWD Platinum, S, SL, SV
Iridium-Platinum Resistor
11-17 - Quest LE, Platinum, S, SL, SV
Iridium-Platinum Resistor
17-17 - Titan PRO-4X
Iridium-Platinum Resistor
17-17 - Titan 4WD Platinum Reserve, S, SL, SV
Iridium-Platinum Resistor
17-17 - Titan RWD Platinum Reserve, S, SL, SV
Iridium-Platinum Resistor
16-17 - Titan XD PRO-4X
Iridium-Platinum Resistor
16-17 - Titan XD 4WD Platinum Reserve, S, SL, SV
Iridium-Platinum Resistor
16-17 - Titan XD RWD Platinum Reserve, S, SL, SV
Iridium-Platinum Resistor