Top 8 Iridium Spark Plugs 4 Pack – Automotive Replacement Spark Plugs

As an Amazon Associate I earn from qualifying purchases.

1. WD EXPRESS

 #ad

4 New NGK IRIDIUM IX Spark Plug LTR6IX-11 # 6509

#ad
WD EXPRESS #ad - 3. 2. Spark plug metal parts or ceramic and metal joint position has a four digit number, this is the production batch, you can call the manufacturer to inquire.

100% genuine ngk spark plug from NGK factory. The thread workmanship, is intentionally sticky with glue, if it's fake, the ceramic body and the metal body connecting part of the white powder, powder is sealed washer stamping into the special, can be wiped out by hand, so cannot be wiped. Anti-counterfeit query method for NGK spark plug. 1. The oval white sticky paper is marked on the production area, importers, enterprise standards and so on. The licensed products have stickers on the single package of the products.
BrandWD EXPRESS #ad
ManufacturerNGK Iridium IX Resistor #ad
Height0.91 Inches
Length3.94 Inches
Weight0.43 Pounds
Width3.94 Inches
Part NumberLTR6IX-11
Model6509

2. ACDelco

 #ad

ACDelco -12680072 41-110 Professional Iridium Spark Plug Pack of 4

#ad
ACDelco #ad - Iridium fine-wire electrode helps improve ignition of the fuel and burns away carbon deposits on the tip of the plug as they form, to help improve fuel economy. One piece suppressor seal blocks radio frequencies that can affect vehicle electronics. Iridium offers better engine idle stability and smoother performance. Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration. Suppressor seal meters spark energy for longer electrode life and seals against combustion leakage.
BrandACDelco #ad
ManufacturerACDelco #ad
Height1 Inches
Length4.4 Inches
Weight0.4 Pounds
Width3.5 Inches
Part Number12680072
Model12680072
Warranty100,000 Miles / Unlimited Months (Parts Only)

3. Denso

 #ad

DENSO # 3324 Iridium LONG LIFE Spark Plugs -- SK16R11 ----- 4 PCS NEW

#ad
Denso #ad - Toyota 1990, 2010 dodge 1999, 2001, 1991, 2002, 2015, 2015 audi 2008, 2004, 1998, 2008 chevrolet 2000, 2007, 2006, 2004, 2007, 2014, 2014, 1992, 1997, 2003, 2009, 2006, 2013, 2009, 2000, 2008, 2000, 2008 pontiac 2003, 2005, 2007, 2011, 2001, 2010, 2013, 2012, 2002 plymouth 2000 chrysler 2000 lexus 1993, 1993, 2005, 2016 scion 2012, 1994.1order = 4 Pieces. Iridium long LIFE. Denso 3324. Free shipping to anywhere in usA and territories For This Item.
BrandDenso #ad
ManufacturerDenso Sales California, Inc. #ad
Weight0.09 Pounds
Part Number3324
ModelSK16R11

4. MIKKUPPA

 #ad

Replacement for Toyota OE: BKR6EIX-11, 3764 4 cyl, Professional Iridium Spark Plug

#ad
MIKKUPPA #ad - Function - its function is to discharge the pulsed high-voltage electric discharge from the high-voltage wire torch wire. With colder heat ranges than the factory plug to enable performance modifications and handle intense conditions.

Fitment - 1992-2011 camry, 2002-2005 a4, 1999-2000 civic, 1993-1997 tracker, 2002-2004 grand cherokee, 1999-2004 discovery, 1998-2006 sienna, 1995-1999 avenger, 2002-2005 Freelander, etc. Plug and play, it can help you easily ignite, start the car smoothly and improve fuel efficiency in the long run. Specification - thread length: 19mm, gap:1. 0-1. 1mm, installation dimension: S16mm, Thread diameter: 14mm, Heat range: 6.

First choice for high-performance engines. Specifically designed - torch spark plugs provide longer engine life, improved fuel efficiency in long term use as compared to standard spark plugs. Replacement racing spark plug used by many professional car drivers. Why not give a try - after millions of strict tests, 100% satisfactory products. Higher quality material than platinum, anti-oxidation.
BrandMIKKUPPA #ad
ManufacturerMIKKUPPA #ad
Part NumberQSK004
ModelBKR6EIX-11, 3764

5. NGK

 #ad

Pack of 4, NGK 7397 TR5IX Iridium IX Spark Plug

#ad
NGK #ad - Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines.

Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. The 06mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical Quenching Effect. Trivalent metal Plating - superior anti-corrosion and anti-seizing properties. Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling.
BrandNGK #ad
ManufacturerNGK #ad
Height1 Inches
Length4.1 Inches
Weight0.15 Pounds
Width3.5 Inches
Part Number7397
Model7397-4PK

6. Denso

 #ad

DENSO IK20 Iridium Power Spark Plug Ik20 X 4Pieces Ignition Plugs Racing Upgrade

#ad
Denso #ad - Improve Horse power. Its high performance is only possible from the 04mm center electrode. Improve Acceleration. Improve Fuel Mileage.
BrandDenso #ad
ManufacturerDENSO #ad
Weight0.09 Pounds
Part NumberIK20

7. NGK

 #ad

NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4

#ad
NGK #ad - Trivalent metal plating provides superior anti-corrosion and anti-seizing properties; Part number of spark plug inside the box: BKR5EIX-11. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage.

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 06 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines.
BrandNGK #ad
ManufacturerNGK #ad
Height0.7 Inches
Length3.4 Inches
Weight0.1 Pounds
Width0.8 Inches
Part Number5464
Model5464-4PK
WarrantyLimited Warranty

8. Autolite

 #ad

Pack of 4, Autolite XP5263-4PK Iridium XP Spark Plug

#ad
Autolite #ad - Designed for better overall durability with virtually no gap erosion for longer plug life. Fit type: Vehicle Specific. Iridium-enhanced platinum alloy 06mm fine wire center electrode for improved ignitibility performance. Oe equivalent design is engineered for every engine to ensure the right plug for your vehicle. Patented v-trimmed platinum side wire technology resists wear. Attached motor seat gasket and terminal nut.
BrandAutolite #ad
ManufacturerFRAM #ad
Part NumberXP5263
ModelXP5263-4PK
WarrantyLifetime Limited