More Information for ACDELCO 41806
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ACDELCO 41806 Specifications
Approximate Resistor Value3-10k ohms
Center Electrode Tip MaterialPlatinum
Gap Size (IN)0.043
Ground ConfigurationPt pad
Ground Electrode Quantity1
Ground Electrode Tip DesignPt pad
Height (IN)1.09
Hex Size16
Insulator Height (in)2.047
Insulator Height (mm)52
Length (IN)4.19
Manufacturer Heat Range12
Reach (IN)0.748
Resistor TypeYes
Seat TypeFlat
Thread Diameter (IN)0.551
Width (IN)3.59
Gold; Double Platinum
ACDelco GM OE (Professional) Double Platinum Spark Plugs are a high quality replacement ideal 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.

Features & Benefits:
  • 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

Which Spark Plug Is Right For You?

Material Cost Performance Lifespan Highlights
$$$ · Ultimate Ignitability & Durability
· Fast Throttle Response & Best Cold Starts
$$ · Improved Starts & Acceleration
· More Power & Better Fuel Economy
Double Platinum
$$ · Improved Efficiency
· Good For Waste Spark Systems
$ · Reduced Carbon Build-Up
· Good for Coil-On-Plug Systems
$ · Good Conductor
· Least Durable

ACDelco Quality

ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.

GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors.
ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors.

Alternate/OEM Part Number(s): 19238471, 19250978, 19308036, 88901012, 41-806

Closeout Inventory Warranty Information:
Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).

Regular Inventory Warranty Information:
7 Years
Warranty Details