DENSO
More Information for DENSO 4701
{Alternate Inventory Numbers: IK16TT}
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DENSO 4701  
($5.89/Each)
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 $0.00
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Pack
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DENSO 4701 Specifications
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialIridium
Ground ConfigurationTwin-Tip
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignPlatinum Twin-Tip
Hex Size16 mm
Manufacturer Heat Range16
Pre-Gap Size1.0 MM
Reach19.0 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: 000018BP01, 000018F287, 000018JE41, 000018KJ13, 0031593103, 0031595403, 0031596603, 0031596703, 0031596803, 0031597103, 0031598103, 0031599403, 0031599703, 0041590703, 0041591903, 0948200549, 0K23A18110, 101000044AA, 101905611A, 101905631A, 101905631F, 101905631G, 12129068016, 12129070999, 12582002, 1822A030, 1822A068, 1881411051, 1881711051, 1882311101, 18823111012, 1882611101, 1883911051, 19302724, 19302726, 19307140, 21020184, 21021362, 21021363, 21024004, 21024005, 21024774, 21024775, 21025102, 21025103, 224010B015, 224011P114, 224011P115, 224011W614, 224011W615, 2240120J05, 2240127N15, 2240127N65, 2240140P15, 2240140P65, 2240150Y04, 2240150Y05, 2240153J05, 224015M075, 224017B004, 224017B005, 2240185E14, 2240185E15, 2240197E15, 2240197E64, 2240197E65, 224019E014, 224019E015, 22401AA570, 22401AA650, 22401AA65A, 2741023700, 2741025000, 2741037100, 274103C000, 32005952, 33002750, 4318138, 4504277, 4550157, 4606823AB, 4609040, 4609076, 4609079, 4796779, 5098167AA, 5098168AA, 5149060AB, 56006240, 56027275, 56028189, 56028236AA, 56041402AB, 5613796, 5614106, 5614285, 5614286, 5862052360, 5862052370, 5962H8, 5962J1, 83500411, 88901014, 8920633030, 8971113760, 8971259690, 8971702680, 9008091145, 9008091184, 90541059, 9091901164, 9091901168, 909190116883, 9091901169, 9091901176, 9091901192, 9091901196, 9091901197, 9091901217, 9091901219, 9091901240, 9091901244, 9091901265, 90919C1002, 91175704, 91175705, 91176020, 9195166, 93176801, 94856823, 94859009, 94859446, 94859448, 980795414G, 980795415G, 980795514G, 980795514H, 980795514J, 980795514N, 980795514P, 980795515G, 980795515H, 980795515J, 980795515N, 980795515V, 980795517S, 980795517V, 9807B5515W, 9807B5517W, AGSP32C, AGSP32F, AGSP32FM, AGSP32FP, AGSP32FSM, AGSP32FSMF4, AGSP32PP, AI3923, AJ84575, AW343939, AW350015, BP0118110, BP0218110, BP1118110, BP1318110, BP1318110A, BP8J18110, BP8K18110, C2A1535, F28718110, F28818110, JE4118110, JE4218110, KJ1318110, KJ1418110, LR005253, LR021006, MD313442, MD339798, MD350292, MD361067, MD372553, MD376962, MN163235, MS851335, MS851357, MS851501, MS851571, MS851572, MS851622, MS851727, MS851728, NCA3850EA1, NCA3850GA1, NCA3850HA1, NCA3850HA2, NLP000030, NLP100290L, NLP100320, SP00ZFR5AP, SP0RC10YC4, SP0RC12ECC, SP0RC12LC4, SP0RC12LYC, SP0RC12YC5, SP0ZFR5F11, SPRC10PYP4, SPRC12MCC4, T0714540, XP3923, XP3924, Z6B718110, ZJY618110, ZM0118110

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