NGK Standard Spark Plug 7543 CMR7A

Specifications

Fitment

NGK standard plugs are constructed for longer life and optimum performance.

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage
• MPN: CMR7A

Warranty	1 Year
Torque Specs	Cast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft.
Brand	NGK
Heat Range	7
Longevity	30k Miles
Resistor	Yes

Shell

Thread Size	10mm
Thread Pitch	1.0mm
Seat Type	Gasket
Resistor Value	10K Ohm
Reach	9.5mm (3/8″)
Hex Size	5/8″ (16mm)
Terminal Type	Solid
Overall Height	Bantam
Gap	.028″ (0.7mm)

Center Electrode

Material	Nickel
Type	Standard
Size	2.5mm
Projection	Non-Projected

Ground Electrode

Material	Nickel
Type	Standard
Quantity	1

Automotive

Sorry, no automotive applications are associated with this part.

Non Automotive

•   Commercial & Industrial
  •   Power Equipment Engines
    •   KOMATSU
•   Lawn & Garden
  •   Outdoor Power Equipment
    •   RYOBI
    •   STIHL
    •   TORO