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Product Information

Product Details
Part No. 41-828
Warranty Details (7 YR REPLACEMENT IF DEFECTIVE)
ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. 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 Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • 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 Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Specifications
Center Electrode Core Material:
Copper

Center Electrode Design:
Standard

Center Electrode Tip Material:
Platinum

Core Nose Length:
0.700 in

Electrical Terminal Type:
Non-Removable Nut

Gap Size:
0.9 mm

Ground Configuration:
Single

Ground Electrode Core Material:
Nickel

Ground Electrode Quantity:
1

Ground Electrode Tip Design:
Single Prong

Ground Electrode Tip Material:
Platinum

Hex Size:
20.8

Hex Type:
Hex

Indexed:
No

Indicated Mean Effective Pressure (IMEP):
200 Pa

Insulator Height:
2.303 in

Manufacturer Heat Range:
14

Pre-Gap Size:
0.033 in

Reach:
0.752 in

Resistor Type:
Yes

Seat Type:
Flat

Skirt:
No

Thread Diameter:
0.551 in

Washer Type:
Crush

Washer(s) Included:
Yes
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