DENSO
More Information for DENSO 3021
{Alternate Inventory Numbers: W16EPRU}
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DENSO 3021  
$1.57
Price
$0.00
Core
+ Sold in packs of 1x1
Pack
$1.57
Total
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DENSO 3021 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-Groove 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.
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: 0948200155, 0948200506, 19301656, 2098360, 22401V1415, 4106129, 4265, 4265DP, 4265DP2, 4318131, 4425964, 5213693, 5613870, 65, 91171720, 96057875, J3242841, MS851432, MS851552, XS65

Warranty Information:
No Warranty