DENSO
More Information for DENSO 4718
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DENSO 4718  
$5.46
Price
$0.00
Core
$5.46
Total
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DENSO 4718 Specifications
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialIridium
Gap Size1.0 (MM)
Ground ConfigurationTwin-Tip
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignPlatinum Twin-Tip
Hex Size16.0 (MM)
Manufacturer Heat Range16
Reach25.00 (MM)
Resistance5000 (oh)
Seat TypeTapered
Thread Diameter14.00 (MM)
Iridium TT; Pre-Set Gap: 0.040"
Features & Benefits:
  • LIFESPAN / DURABILITY | Iridium alloy is 6X harder and 8X stronger than Platinum
    • Iridium with Rhodium Center Electrode -- DENSO uses the highest concentration of Iridium of any spark plug and outperforms in the most severe engine temperatures, resisting oxidation and voltage wear for over 100,000 miles.
    • Platinum Ground Electrode -- extends the life of the plug by resisting gap erosion.
    • Patented 360-Degree Laser Welding -- creates the highest quality bond for structural support of the center electrode.
  • PERFORMANCE / IGNITABILITY
    • 0.4 mm Fine Wire Iridium Center Electrode -- achieves higher ignitability and requires lower spark voltage to enable high-response driving with fewer misfires. As a result, acceleration improves in comparison with normal plugs.
  • EFFICIENCY / FUEL ECONOMY
    • Twin Tips -- allow the spark plug to create the fastest and largest spark concentration and explosion, which translates into more power and superior fuel economy.
Standard Tip (Left) vs. DENSO Twin-Tip (Right)
Spark Growth
Animated comparison of spark size and speed
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
Double Platinum
★★★★★ ★★ ★★
Iridium Twin Tip
Iridium Twin-Tip
★★★★★★ ★★★★ ★★★
Iridium Power
Iridium Power
★★★★ ★★★★★ ★★★
Iridium Long Life
Iridium Long Life
★★★★★★ ★★★★ ★★
Videos

Why Choose DENSO Iridium TT?

How To Replace DENSO Spark Plugs

OEM / Interchange Numbers: 000018L3Y2, 1119A78J00, 12590701, 12597464, 12617309, 12620540, 12626906, 12627160, 12647827, 19300872, 25320392, 25334145, APP5263, AYFS32YR, AYSF32YPC, AYSF32YPCF4, AZFS22FE, AZFS32FE, AZFS32FEF4, CYFS12YR, CYFS12YRX, L3Y218110, LFG118110, LFJD18110, LFJD181109U, YF1018110, ZZC418110, ZZC418110A

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