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Champion Copper Plus Spark Plug D9 - Dependable Performance & Durability

Part # 509
30 day warranty
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Product Information

Product Details
Part No. 509
Warranty Details (30 Day Warranty)
Champion Copper Plus small engine spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your small engine with spark plugs engineered to improve efficiency and keep your equipment running at its best.

Product Features:
  • COPPER CORE PRECISION -- Copper core center electrode allows accurate control of heat range, delivering longer life and dependable performance
  • CORROSION RESISTANCE -- Coated shell provides corrosion resistance in harsh environments
  • OE-REPLACEMENT FOR SMALL ENGINES -- Delivers reliable starts and consistent ignition performance in lawn, garden, and other small-engine equipment
  • BUILT-IN NOISE SUPPRESSION -- Modern resistor technology protects sensitive electronics by minimizing electrical interference
  • EASY TO INSTALL -- Pre-gapped design simplifies installation
  • OE-QUALITY FIT -- Built to meet OE fit, form and function for dependable performance
  • DEPENDABLE STARTS -- Engineered for reliable ignition in all weather conditions
Specifications
Center Electrode Design:
Standard

Center Electrode Diameter (Inch):
0.124 in

Center Electrode Tip Material:
Nickel

Electrical Terminal Type:
Removable Nut

Grade Type:
Standard Replacement

Ground Electrode Core Material:
Nickel

Ground Electrode Material:
Nickel Copper Alloy

Ground Electrode Quantity:
1

Ground Electrode Tip Material:
Nickel

Hex Size:
22.230 mm

Hex Type:
Hex

Installed Height (Inch):
2.25 in

Manufacturer Heat Range:
9

Part Description:
Spark Plug

Pre-Gap Size:
0.025 in

Reach:
0.5 in

Resistor Type:
No

Seat Type:
Flat

Thread Diameter:
18.000 mm
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