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NAPA Auto Parts GRANDVIEW
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Columbus,  OH  43215-1124
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SPARK PLUG PLATNIUM

SPARK PLUG PLATNIUM

Part #: BSH 7426
Line: Bosch
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Features & Benefits

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Dual Platinum Electrodes: Double platinum spark plugs have both the center and ground electrodes made of platinum.


  • Fine-wire Center Electrode: These spark plugs often feature a fine-wire center electrode, which promotes a sharp and consistent spark for reliable ignition.
  • High Melting Point: Platinum has a high melting point, making it well-suited for the high temperatures generated during combustion. This helps prevent electrode melting and maintain consistent performance.
  • Improved Ignitability: The dual platinum electrodes enhance ignitability, resulting in quick and reliable starts under various driving conditions.
  • Optimized Heat Range: Double platinum spark plugs are designed with an optimized heat range to ensure proper combustion and prevent overheating.
  • Reduced Gap Erosion: The use of platinum in both electrodes reduces gap erosion over time, maintaining a consistent spark gap and preventing misfires.
  • Longer Service Life: The use of platinum in both electrodes significantly extends the lifespan of double platinum spark plugs compared to conventional plugs, reducing the frequency of replacements.
  • Improved Durability: Platinum's resistance to wear and corrosion enhances the durability of the spark plugs, making them well-suited for high-performance and demanding driving conditions.
  • Consistent Performance: The dual platinum design ensures a more consistent and stable spark, leading to smoother engine operation, better throttle response, and overall improved performance.
  • Enhanced Fuel Efficiency: The improved ignitability and efficient combustion contribute to better fuel efficiency, potentially leading to cost savings over time.
  • Lower Emissions: Efficient combustion reduces the likelihood of incomplete combustion, resulting in lower emissions and a positive impact on environmental concerns.
  • Compatibility with High-energy Ignition Systems: Double platinum spark plugs are often recommended for use with high-energy ignition systems, ensuring compatibility with modern engine management systems.
  • Reduced Maintenance: The longer service life and reduced gap erosion mean less frequent spark plug changes, reducing maintenance efforts and costs.

Specifications

Ground Electrode Quantity 1
Thread Diameter 14 mm
Filament Quantity OE Quality
Insulator Type Non-Projected
Spark Plug Reach 19 mm
Sub Brand Double Platinum
VMRS Code 033003000
Center Electrode Core Material Copper
Quality Level Better
Spark Plug Heat Range BOSH6-7
Electrode Design Finewire
Seat Type Flat
Center Electrode Tip Material Platinum
Ground Electrode Core Material Nickel
Manufacturer Bosch
Style 4-Cycle
Resistor Type Yes
SDS Required No
Ground Electrode Tip Design Standard
Electrical Terminal Type Non-Removable Nut
Manufacturer Part Number 7426
Terminal Type Non-removable Nut
Thread Size 14 mm
Brand Bosch
Resistance 6 kΩ
Spark Plug Thread Size 14 mm
Contents (1) Spark Plug
Gap Size 0.7 mm
Electrode Core Material Copper
Insulator Material Ceramic
Spark Plug Resistor Yes
Grade Type OE Style
Hex Size 16 mm

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