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ACDELCO 41807
Professional; Double Platinum
ACDelco Professional Platinum Spark Plugs are ideal for engines that run on conventional plugs and newer engines that require platinum plugs. ACDelco Professional Platinum Spark Plugs can give you up to 100,000 miles of service before requiring replacement.

Professional Platinum spark plugs also feature:
  • Dual platinum tip for improved resistance to spark erosion, fouling, and corrosive combustion chamber environment.
  • A platinum center electrode and a platinum pad lower the ignition demand voltage.
  • One-piece integral suppressor seal helps reduce radio frequency interference, meters spark plug energy to help provide long electrode life, and seals against compression leakage.
  • Designed with corrosion-resistant shell Spark gap remains virtually unchanged during the life of the plug.


  • Spark Plug Type Performance Differences

Resistance2-20k ohms
Ground Electrode Tip DesignSingle Prong Electrode
Ground ConfigurationSingle
Ground Electrode Core MaterialNickel Alloy
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialPlatinum
Gap Size0.034 IN
Gap Size0.86 MM
Ground Electrode Quantity1
Hex Size5/8 in
Insulator Height2.007 in
Insulator Height50.98 MM
Seat TypeFlat
Reach0.712 IN
Reach19.05 mm
Thread Diameter0.551 in
Thread Diameter14.00 MM
Alternate/OEM Part Number(s): 19238472

ACDELCO Warranty Information
Lifetime for ignition wires, gas-charged shocks & struts, belts, hoses, universal joints, steering racks & gears, and ACDelco Professional chassis parts. Limited lifetime wear-out warranty for DuraStop brake pads and shoes. All other DuraStop brake parts, carry a limited 12 months/12,000 mile warranty. 24 months/24,000 miles for load-carrying and air-adjustable shocks, steering dampers. 24 months/24,000 miles for Professional New and Reman Alternators and Starters purchased on or after 3/1/12. Limited Lifetime for Professional Reman Alternators and Starters purchased before 3/1/12. 3 Year for RapidFire Performance Spark Plugs, 100,000 miles for Professional Platinum Spark Plugs, 100,000 miles for Iridium Spark Plugs. Limited Lifetime for Radiators purchased on or after 1/1/2015. 12 months/12,000 miles for other parts. Warranty returns can not be processed without complete VIN information on return instructions. IMPORTANT A/C COMPRESSOR WARRANTY NOTE: If the A/C system or the vehicle is five years or older, ACDelco requires a system flush and proof of purchase of an A/C Orifice Tube or A/C Expansion Valve for an A/C Compressor warranty to be valid.
Warranty Details