DENSO
More Information for DENSO 4705
{Alternate Inventory Numbers: IKBH20TT}
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DENSO 4705  
$8.63
Price
 $0.00
Core
 + Sold in packs of 1x1
Pack
 $8.63
Total
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DENSO 4705 Specifications
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialIridium
Ground ConfigurationTwin-Tip, Multi-Electrode
Ground Electrode Core MaterialNickel
Ground Electrode Quantity3
Ground Electrode Tip DesignPlatinum Twin-Tip
Hex Size16 mm
Manufacturer Heat Range20
Pre-Gap Size1.0 MM
Reach26.5 mm
Resistance5000.0 oh
Seat TypeFlat
Thread Diameter14.0 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 ① -- allow the spark plug to create the fastest and largest spark concentration and explosion, which translates into more power and superior fuel economy.
① 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: 9091901249, 9091901263, 9091901279, AI5325

Warranty Information:
No Warranty