NGK SPARK PLUGS part description

GR4 S-PLUGS

Product Description

NGK V-Power Spark Plug

Features & Benefits

  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
  • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
  • NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal

Product Attributes

Part Number GR4
Stock Number 2635
Resistance 5000.0 82
Ground Electrode Tip Design Standard
Ground Configuration J-Gap
Ground Electrode Core Material Nickel
Electrical Terminal Type Non-Removable Nut
Center Electrode Core Material Copper
Center Electrode Tip Material Nickel
Pre-Gap Size .040 IN
Ground Electrode Quantity 1
Hex Size 13/16 IN
Insulator Height 55.00 MM
Manufacturer Heat Range 4
Seat Type Flat
Reach 0.750 IN
Thread Diameter 14.00 MM
Hex Size 13/16"
Insulator Height 2.20 IN
Thread Diameter 0.551 IN
Insulator Material Ceramic
Resistor Type Yes
6648 0.0 IN
Ground Electrode Tip Material Nickel
9459 No
9506 0.16 IN
9608 Standard
9745 Crush
9805 Mid Projection
Short Style Spark Plug No
Service Number GR4
Washer Included Yes
Grade Type Regular

Additional Information

Harmonized Tariff Code (HTS) 8511100000
Warranty Time UOM MO
Warranty Time 2
Country of Origin (Primary) JP
UPC 00087295126356
VMRS Code 033003005
UNSPSC 26101732

Part Interchanges

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Headquartered in Wixom, Michigan, NGK® is a global leader in the design and manufacture of spark plugs for virtually every automotive and commercial vehicle application. It has grown immensely since its inception in 1936 with the expansion of its ignition product line and the introduction of its technical sensor and vehicle electronics line. NGK partners with OEMs and uses only the latest cutting tools to ensure each NGK product meets OE specifications for exact fit, form, and function. With world-class quality and engineering, NGK’s expertise goes beyond manufacturing the most reliable spark plugs for the automotive industry but also providing the best customer service possible.

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