Professional Platinum

ACDelco Professional Platinum Spark Plug - 41-990

Part #
41-990
Line:
ACD

Product Information

  • Warranty:  100,000 Mile Limited Warranty
  • Unit of Measure:  Each
  • UPC:  # 707773011669
  • Seat: Tapered
  • Thread Size: 14mm
  • Hex Size (mm): 16mm
  • Hex Size (in): 5/8 Inch
  • Preset Gap (in): 0.043 Inch
  • Preset Gap (mm): 1.1mm
  • Thread Reach (in): 0.980 Inch
  • Resistor Plug: Yes
  • Ribbed Core Nose: No
  • Number Of Ground Electrodes: 1
  • Center Electrode Core Material: Nickel
  • Center Electrode Tip Material: Platinum
  • Approximate Resistor Value (Ohm): 6000 Ohm
  • Insulator Height (mm): 52mm
  • Insulator Height (in): 2.047 Inch
  • Ground Electrode Tip Material: Platinum
  • Thread Reach (mm): 25mm
  • Center Electrode Design: Fine Wire
  • Material Grade: Double Platinum
  • Short Style Spark Plug: No

Applications for this Product

  • Select a vehicle to see vehicle applications.

Detailed Description

Spark Plug; ACDelco GM OE Double Platinum Spark Plugs are designed, engineered and tested to rigorous standards and are backed by General Motors. These Double Platinum Spark Plugs are the high quality replacements for many vehicles on the road today. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long lasting performance. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form and function. ACDelco GM OE parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM OE parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
  • One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy and protect against compression pressures for long life
  • Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
  • Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
  • Some ACDelco GM OE parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM OE parts are designed, engineered and tested to rigorous standards and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC or Cadillac vehicle.
  • GM regularly updates production and service part designs to integrate new materials and technologies

Brand Information

ACDelco has a tremendous history that encompasses almost 100 years. With new advances in parts technology, new inventions and innovative ideas, ACDelco holds the highest standards in the industry.

For almost 100 years, ACDelco has been sparking the automotive industry and firing customer enthusiasm with automotive products built with a pure passion for the automobile. As you might expect, it began as one man's hobby. But you may be surprised to discover ACDelco's integral part in American history with ties to the first self-starting automobile and this country's first moonwalk.Today ACDelco products are chosen the world over, an accomplishment only the past can explain.
Show All Details Show Less Details