Best E3 Spark Plugs Automotive Performance Spark Plugs in 2026

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling

The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect

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 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect

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 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect

Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage

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Better Performance

Good Brand Name NGK

G-Power Platinum

Designed to operate over a much wider heat range than ordinary plugs

Resists carbon buildup and pre-ignition

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.

Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer

NGK is the world's largest supplier of OEM spark plugs

Extreme performance upgrade via OEM spark plugs and provide a lifetime at 40,000 50,000 miles.

Plugs have a fine-wire Iridium center electrode and nickel-alloy terrain electrodes for maximum engine and torque.

Designed for fuel-injected and turbo engines.

This 4 pack Champion Copper Plus 980 Spark Plug replaces Champion Spark Plug XC92YC, parts and is perfect for replacement or a performance upgrade.

IMPROVE PERFORMANCE: The tried-and-true Champion Copper Plus SME Spark Plug boosts performance so that your engine runs at its best. For projects large and small, the Champion Copper Plus SME spark plugs are the right plugs for the job. They help power millions of small engines, including mowers, tractors, and similar small engine machines

CHOOSE CONSISTENT COMBUSTION: The Champion Copper Plus SME Spark Plug employs a copper-core center electrode and patented SAC-9 semiconductor resistor to produce complete and efficient combustion over the life of the spark plug. The Ultraseal-coated shell reliably withstands soot and offers superior etching tolerance, ensuring long-lasting sparking capabilities and dependable performance and durability

Specs: Description: Spark Plug, Plug Type: Resistor, Packaging type: OEM package, Small engines application, Boxed individually, Order 10 for complete carton

Replaces OEM Numbers: Echo: 90114Y, A425000000, Husqvarna: 584968101, ICS: 514770, Kawasaki: 92070-2115, NGK: 2218, BPMR8Y

Compatible With/Replacement For: Echo: PB series backpack Blowers, ICS: 613GC and 633GC, Shindaiwa: DF212 and EB633

EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today

FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption

OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance

Double Iridium electrodes - iridium firing pin and iridium ground electrode inlay - offer higher performance

OE-matched spark position for compatibility with Gasoline Direct Injection (GDI) technology

Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize for installation

MAXIMUM PERFORMANCE: Every Platinum spark plug is necked-down center electrode fires quicker and cleaner, with less voltage for easier starts and quicker acceleration.

IMPROVED DURABILITY: Our spark plugs are platinum-to-platinum firing for superior durability and super conductive Yttrium enhanced ground electrode provides superior heat transfer

CONSTRUCTION: These spark plugs are platinum enhanced high nickel alloy side electrode maintains precision gap and assures virtually no gap erosion for longer plug life

Specs: Description: Spark Plug, Plug Type: Resistor, Packaging type: OEM package, Boxed individually, Order 10 for complete carton

Replaces OEM Numbers: Ariens: 20020001, NGK: 3922, BR6HS, Subaru: 065-01401-50

Compatible with: Honda: 6.5hp G65 and G80; 3.5 HP G30, G35 (to 1064415) and GV35; 4 HP G40, G41 and G42; 6.5 HP G65K2(to 3040275), G80 (from 1016154) and GS65, Robin: EH17D/DS/B/BS, EH25D, EH25D/DS/B/BS, EY15-2B,EY15D, EY15D/DS, EY17D, EY18-3D/B, EY20D, EY20D/DS/B/BS, EX13, EX17, EX21 and EX27, Tecumseh: 12 HP OH120, OHM120, OVXL120 (202700 to 202999) and OVXL125 (202700 to 202999); 13 HP HH130; 14 HP HH140 and OH140; 15 HP HH150; 16 HPGT16, HH160 and OH160, Wacker: WM130, WM170 and WM270

This 6 pack NGK Laser Iridium 6994 Spark Plug replaces Autolite XP5224, Honda 9807B-5617W, Honda 9807B5617WA0, DENSO Auto Parts 3377, DENSO Auto Parts 4504, DENSO Auto Parts 5615, DENSO Auto Parts

REDUCE EMISSIONS AND MISFIRES: This tried-and-true Spark Plug boosts performance, and enables better performance so that your engine runs at its best. The durable shell reliably protects the spark plug from damage, ensuring long-lasting sparking capabilities. The center and ground electrodes promote sharper spark focus for fewer misfires

IMPROVE IGNITION AND SPARK EFFICIENCY: This Spark Plug employs advanced center and ground electrodes to produce complete and efficient combustion and deliver an outstanding spark for faster, stronger, and more powerful combustion over the life of the spark plug. The damage-tolerant center and ground electrodes minimize spark gap growth and provide greater ignitability and spark efficiency

98% pure copper core increases heat dissipation for more reliable starts and prevents spark plug from overheating

High-grade alumina silicate ceramic insulator for superior strength and heat transfer

Cold-rolled threads to prevent cross-threading and damage to cylinder heads

This 4 pack NGK Laser Iridium 94702 Spark Plug replaces DENSO Auto Parts 3490, DENSO Auto Parts FXE20HE11C, Nissan BY483-DF6H0, Mazda 1UXE-18-110, parts and is perfect for replacement or a

REDUCE EMISSIONS AND MISFIRES: This tried-and-true Spark Plug boosts performance, and enables better performance so that your engine runs at its best. The durable shell reliably protects the spark plug from damage, ensuring long-lasting sparking capabilities. The center and ground electrodes promote sharper spark focus for fewer misfires

IMPROVE IGNITION AND SPARK EFFICIENCY: This Spark Plug employs advanced center and ground electrodes to produce complete and efficient combustion and deliver an outstanding spark for faster, stronger, and more powerful combustion over the life of the spark plug. The damage-tolerant center and ground electrodes minimize spark gap growth and provide greater ignitability and spark efficiency

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.

Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer

NGK is the world's largest supplier of OEM spark plugs

Brand new NGK non-resistor spark plug

Brand: NGK; MPN: 4629; Model Number: C7HSA

Fits 50cc 70cc 90cc 110cc ATVs, dirt bikes, and pocket bikes; Fits most all 110cc ATVs, 50cc -150cc scooters and mopeds

Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original componentsá

Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability

Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance

You can depend on NGK for quality and reliability

Constructed from durable material

Includes laser welded platinum tip on center electrode and platinum tip on the ground electrode

MAXIMUM PERFORMANCE: Every Copper Spark Plug has a full copper core electrode which provides higher thermal conductivity for better performance in all conditions

IMPROVED DURABILITY: All Autolite spark plugs are Leak proof and come with a heat fused internal seal for long lasting durability

CONSTRUCTION: These replacement spark plugs have a copper-glass seal which bonds the insulator and the terminal post center electrode together

Automotive spark plug that fits a variety of domestic applications, designed to increase power, reduce fuel consumption, and improve hydrocarbon emissions

E3's patented DiamondFIRE edge-to-edge electrode provides maximum performance with increased efficiency, and a faster more complete burn

Designed with colder heat ranges to enable performance modifications, and contains Yttrium-enhanced alloy for a reduction in side wire temperature for less pre-ignition

T16EPR-U15

Increases engine performance and throttle response

Efficient fuel consumption

MAXIMUM PERFORMANCE: Every Copper Spark Plug has a full copper core electrode which provides higher thermal conductivity for better performance in all conditions

IMPROVED DURABILITY: All Autolite spark plugs are Leak proof and come with a heat fused internal seal for long lasting durability

CONSTRUCTION: These replacement spark plugs have a copper-glass seal which bonds the insulator and the terminal post center electrode together

CREATED FOR OUTDOOR WORK: To get through a full season of outdoor work, you need reliable performance from your lawn equipment. Autolite Xtreme Start Iridium spark plug designed for lawn and garden / outdoor power equipment applications.

CONSTRUCTION: Autolite Xtreme Start Iridium spark plug has an anti-corrosive nickel-plated shell and 0.6mm diameter iridium-enhanced finewire tip design offers exceptional fouling resistance providing reliable starting in any season or weather condition

MAXIMUM PERFORMANCE: Up to 26 % quicker engine starts than leading standard plugs providing less battery/starter wear and less pull cord effort required

Genuine OEM product

Package Dimensions: 2.006 L x 9.194 H x 2.59 W (centimeters)

Fit type: Vehicle Specific

Package Dimensions: 8.27 L x 1.1 H x 4.17 W (inches)

Package Weight: 1 pounds

Country of Origin : United States

Genuine OEM product

Package Dimensions: 2.032 L x 8.382 H x 2.54 W (centimeters)

Fit type: Vehicle Specific

This 6 pack DENSO 3194 Spark Plug replaces DENSO Auto Parts K16TR11, Toyota 94859009, Toyota 94856823, Toyota 90919-01192, parts and is perfect for replacement or a performance upgrade.

REDUCE EMISSIONS AND MISFIRES: The patented DENSO Spark Plug enables complete fuel ignition in the combustion chamber. It virtually eliminates erratic starts caused by poor fuel mixtures and excessive soot buildup. The DENSO Spark Plug employs a unique ground electrode designed to generate a larger spark nucleus at the point of ignition. Greater spark energy means improved flame travel, producing more complete, consistent, and efficient combustion

GAIN GREATER FUEL EFFICIENCY: This DENSO Spark Plug fires leaner mixtures than conventional plugs and improves throttle response. Its ground electrode was developed to improve ignitability for increased efficiency in emission gas purification and fuel consumption. The DENSO Spark Plug is 100 percent pre-fired to ensure reliable operation and lasts twice as long as conventional plugs. The unique five-rib insulator reduces flashover and decreases voltage loss

MSD's proprietary ceramic formula provides the highest dielectric strength

Yttrium ground electrode reduces the chance of pre-ignition

Iridium tip improves cold starts