DENSO
More Information for DENSO 3031
{Alternate Inventory Numbers: W16EXRU}
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DENSO 3031  
($1.59/Each)
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 $0.00
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 $1.59
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DENSO 3031 Specifications
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignU-Groove
Hex Size20.6 mm
Manufacturer Heat Range16
Pre-Gap Size0.8 mm
Reach19.0 mm
Resistance5000.0 oh
Seat TypeFlat
Thread Diameter14.0 mm
U-Groove Conventional; Pre-Set Gap: 0.032"
Features & Benefits:
  • PERFORMANCE / IGNITABILITY
    • Nickel Alloy Center Electrode -- for reliable, cost-effective performance.
  • EFFICIENCY / FUEL ECONOMY
    • Patented U-Groove① Ground Electrode -- enables complete combustion by allowing the spark to fill the gap created by the U shape. The ball of fire created in the U-Groove develops a larger and hotter flash front that virtually eliminates excessive fouling and erratic starts caused by poor fuel mixtures.
①
Fuel Mileage
Which DENSO Spark Plug Is Right For You?

Material / Series Lifespan / Durability Performance / Ignitability Efficiency / Fuel Economy
Copper / Nickel U-Groove
U-Groove		 ★ ★ ★
Platinum Twin Tip
Platinum Twin-Tip		 ★★★★ ★★ ★★
Double Platinum
Doulbe Platinum		 ★★★★★ ★★ ★★
Iridium Twin Tip
Iridium Twin Tip		 ★★★★★★ ★★★★ ★★★
Iridium Power
Iridium Power		 ★★★★ ★★★★★ ★★★
Iridium Long Life
Iridium Long Life		 ★★★★★★ ★★★★ ★★
Videos

How To Replace DENSO Spark Plugs

OEM / Interchange Numbers: 0000188914, 0031594703, 0948200167, 22401V1416, 395318110, 4265, 4425979, 64, 64BP, 64DP, 64DP2, 891418110, 9091901064, 99917006290, EAC8915, EAC8916, ERR3799, JLM9661, JLM9663

Warranty Information:
No Warranty