NGK
More Information for NGK 7543
{Alternate Inventory Numbers: CMR7A}
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NGK 7543  
($1.69/Each)
Price
 $0.00
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 + Sold in packs of 1x1
Pack
 $1.69
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NGK 7543 Specifications
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Electrical Terminal TypeNon-Removable Nut
Gap Size (IN).028
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignStandard
Hex Size (IN)5/8
Insulator Height (mm)40.00
Manufacturer Heat Range7
Part NumberCMR7A
Reach (mm)9.6
Resistance (ohms)10000
Seat TypeFlat
Stock Number7543
Thread Diameter (MM)10.00
Standard; POWER EQUIPMENT: MITSUBISHI, SUBARU-ROBIN; EDGER: STIHL; HEDGE TRIMMER: STIHL; STRING TRIMMER: TORO; TURF EQUIPMENT: STIHL
NGK standard plugs are constructed for long life and optimum performance. NGK Spark Plugs are at the heart of smooth-running engines around the world.

Features & Benefits:
  • Triple-Gasket Sealing Process
  • Corrugated ribs to prevent flashover
  • High dielectric strength
  • Proper heat transfer
  • Consistent Performance
This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.
Which NGK Spark Plug Is Right For You?

Material / Series Lifespan / Durability Performance / Ignitability Efficiency / Fuel Economy
Copper / Nickel V-Power
Copper		 ★ ★ ★
Platinum G-Power
Platinum		 ★★ ★★★★ ★
Double Platinum Laser
Double Platinum		 ★★★★★ ★★ ★★
Iridium IX
Iridium IX		 ★★★ ★★★★★ ★★
Iridium Laser
Iridium Laser		 ★★★★★★ ★★★★ ★★★
Ruthenium HX
Ruthenium		 ★★★★★★★ ★★★★★ ★★★★
Videos

Check, Set & Adjust Spark Plug Gaps


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

Regular Inventory Warranty Information:
60 Days