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More Information for NGK 3186
{Alternate Inventory Numbers: TR5GP}
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NGK 3186  
($3.58/Each)
Price
$0.00
Core
+ Sold in packs of 1x1
Pack
$3.58
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NGK 3186 Specifications
Center Electrode Core MaterialCopper
Center Electrode DesignFine Wire
Center Electrode Insulator Tip Projection0.16 IN; 4.0 mm
Center Electrode ProjectionMid Projection
Center Electrode Tip MaterialPlatinum
Electrical Terminal TypeNon-Removable Nut
Ground ConfigurationJ-Gap
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignTrapezoid
Ground Electrode Tip MaterialNickel
Hex Size5/8" (16mm)
Insulator Height2.07 IN; 52.5 mm
Insulator MaterialCeramic
Manufacturer Heat Range5
Material GradePlatinum
Part NumberTR5GP
Pre-Gap Size.040 IN; 1.0 mm
Reach0.689 IN; 17.5 mm
Resistance5000.0 82
Resistor TypeYes
Seat TypeTapered
Service NumberTR5GP
Short Style Spark PlugNo
SkirtNo
Skirt Length0.0 IN; 0.0 mm
Stock Number3186
Thread SizeM14 - 1.25
Thread Type StandardMetric
Washer(s) IncludedNo
G-Power; Pre-Set Gap: 0.040"
NGK G-Power® platinum spark plugs feature a single platinum tip, 98% pure copper core and a .6 mm fine-wire center electrode for more focused sparks and better ignitability.

Features & Benefits:
  • Trapezoidal ground electrode allows for higher ignitability and reduces quenching
  • High-grade alumina silicate ceramic for stronger insulation to reduce dielectric punch-through (caused by spark exiting through side of ceramic)
  • Trivalent plating means no anti-seize required
  • Cold-rolled threads prevent cross-threading and damage to cylinder heads
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
★★★★★★★ ★★★★★ ★★★★
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Check, Set & Adjust Spark Plug Gaps

OEM / Interchange Numbers: 12571164, 12609877, 12611424, 12621258, 12680072, 19145290, 19250962, 19250963, 19250967, 19301812, 19353734, 19354421, 1F2018110C, 1F2Z12029AC, 1S7Z12029AA, 25164641, 25164644, A0031590503, A0031593703, AGSF32CA, AGSF32FEC, AGSF32FECF4, AGSF32N, AP103, AWSFA12C, CGSF22NA1, F5LY12029A, F5SZ12029A, F7TZ12029CC, FOTZ12029A, GY0218110, JE491810XB, KLG418100A, WSF22FM, WSF32PM, WSF42C, ZZM618110

Warranty Information:
2 Months