Spark Plug - BMW N74 | 12120037580-DEN

NGK's Laser Iridium Spark Plugs Provide Superior Ignitability and Long Service Life.

Fine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate Providing Stable Idle, Superior Anti Fouling, Improved Fuel Efficiency and Lower Emissions.

Features and Benefits:

• Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
• Corrugated Ribs Prevent Flashover
• Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
• Copper Core Aids in Heat Removal
• Triple Seals Prevent Leakage
  
  
  
  
  OE Part #'s
  
  12-12-0-037-580 / 12 12 0 037 580 / 12120037580
  
  12-12-0-037-051 / 12 12 0 037 051 / 12120037051
  
  12-12-0-036-759 / 12 12 0 036 759 / 12120036759
  
  12-12-0-037-582 / 12 12 0 037 582 / 12120037582
  
  12-12-0-037-575 / 12 12 0 037 575 / 12120037575
  
  12-12-0-037-581 / 12 12 0 037 581 / 12120037581
  
  
  Denso Part #   3501
  
  

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov