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Product Information

Product Details
Part No. 938M
Warranty Details (30 DAY REPLACEMENT IF DEFECTIVE)
The Copper Plus spark plug is engineered for dependable performance and durability, making it an ideal OE-type replacement for your vehicle. Featuring a copper core center electrode, it ensures precise heat control and conductivity, promoting longer life and resisting fouling for consistent engine operation. The nickel-tipped center and ground electrodes enhance wear resistance, while its flat seat type and resistor design optimize engine efficiency and performance. Built to ISO and SAE Standards, this spark plug offers superior corrosion resistance, ensuring reliable functionality even in demanding conditions. Whether you're seeking a standard replacement or enhanced engine performance, this spark plug delivers proven results with its robust construction and reliable design.

Product Features:
  • Copper Plus - Dependable Performance and Durability
  • OE type replacement plug
  • Resists fouling
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Resistor and Flat Seat Type: Featuring a resistor type and flat seat type design, this spark plug enhances overall engine performance and efficiency.
Specifications
Center Electrode Design:
Standard

Center Electrode Tip Material:
Nickel

Electrical Terminal Type:
Non-Removable Nut

Grade Type:
Standard Replacement

Ground Electrode Core Material:
Nickel

Ground Electrode Quantity:
1

Ground Electrode Tip Material:
Nickel

Hex Size:
20.650 mm

Hex Type:
Hex

Indexed:
No

Insulator Height:
0.06 in

Manufacturer Heat Range:
78

Part Description:
Spark Plug

Reach:
0.5 in

Resistor Type:
Yes

Seat Type:
Flat

Thread Diameter:
0.551 in

Washer Type:
Crush

Washer(s) Included:
Yes
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