ACDelco GM Original Equipment Iridium

Spark Plug 41-156

$12.99

ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are our latest in spark plug technology and an exact replacement for your vehicle's original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

  • Iridium is the latest in spark plug technology and is an exact replacement for vehicles original components

  • Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability

  • Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance

  • Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics

  • Iridium plugs are laser-welded which provides precision welds, reduces excess debris and wear rate, thus increasing durability

  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional

  • ACDelco GM Original Equipment 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

Part #

41-156

SKU #

1078726

Ground Electrode Tip Material

Platinum

Resistor Type

Yes

Center Electrode Tip Material

Iridium

Pre-Gap Size

0.7mm

Center Electrode Core Material

Nickel

Grade Type

Standard Replacement

Seat Type

Tapered

Reach

0.98in

Manufacturer Heat Range

8

Hex Size

14 MM

Metal Type

Iridium

Insulator Height

52.5mm

Ground Electrode Tip Design

Standard

Ground Electrode Quantity

1

Ground Configuration

Standard

Center Electrode Design

Standard

Ground Electrode Core Material

Nickel

Hex Type

Hex

Washer Included

No