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
Which DENSO Spark Plug Is Right For You?
Material / Series
Lifespan / Durability
Performance / Ignitability
Efficiency / Fuel Economy
Copper / Nickel U-Groove
★
★
★
Platinum Twin Tip
★★★★
★★
★★
Double Platinum
★★★★★
★★
★★
Iridium Twin Tip
★★★★★★
★★★★
★★★
Iridium Power
★★★★
★★★★★
★★★
Iridium Long Life
★★★★★★
★★★★
★★
Videos
How To Replace DENSO Spark Plugs
OEM / Interchange Numbers: 63
Closeout Inventory Warranty Information:Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).Regular Inventory Warranty Information:No Warranty
Which DENSO Spark Plug Is Right For You?
Videos