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ACDelco 41-983 Professional Double Platinum Spark Plug

Save $7.00 Save $7.00
Original price $18.99
Original price $18.99 - Original price $18.99
Original price $18.99
Current price $11.99
$11.99 - $11.99
Current price $11.99

ACDelco 41-983 Professional Double Platinum Spark Plug

Platinum spark plugs are designed to deliver long-lasting performance and maximize durability.


  • One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal
  • Helps reduce radio frequency and engine interference, regulate spark plug energy and seal against compression pressures for long life
  • Double platinum point pad on center and ground electrode offers durability and consistent voltage demands to help reduce wear on ignition system
  • Pure copper core results in cooler electrode temperature for durability and superior fouling resistance

Thread Size: 14mm
Thread Pitch: 1.25mm
Seat Type: Tapered
Resistor: Yes
Resistor Value: 3.5-6.5K Ohm
Reach: 23.00mm (.90")
Hex Size: 5/8" (16mm)
Insulator Height: 0.9" (23mm)
Gap: .059"

Center Electrode
Material: Platinum

Ground Electrode
Material: Nickel
Type: Single Prong Electrode
Shape: Taper Cut
Quantity: 1

Heat Range: 14

AC Delco 41-983 Spark Plug. Fits MCM 496 Mag & HO and MIE 8.1L & HO

  • Replaces Crusader RP030009
  • Replaces Mercruiser 33-863622001
  • Replaces Marine Power 810E-210
  • Replaces NGK PZTR5A-15, TR55IX
  • Replaces PCM RP030009
  • Replaces Volvo Penta 3861326, 3861327