The Best Automotive Replacement Spark Plugs

Looking for the best Automotive Replacement Spark Plugs?

Discover now our comparison of the best Automotive Replacement Spark Plugs. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Spark Plugs are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Spark Plugs in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

SaleNo. 1

NGK # 3186 G-Power Platinum Spark Plugs TR5GP - 8 PCSNEW

G-Power Platinum
Designed to operate over a much wider heat range than ordinary plugs
Resists carbon buildup and pre-ignition
Patented triple gasket sealing process eliminates the possibility of combustion gas leakage

No. 2

NGK LKAR7BIX-11S Iridium IX Spark Plug (93501 Iridium Ix), 4 Pack

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
Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines
Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties

No. 3

8Pcs Iridium Spark Plugs Compatible with Most 2014-2023 Chevy Silverado 1500 Tahoe Avalanche Savana 2500 3500 GMC Sierra Yukon Escalade 5.3 6.2 6.6 L V8, Replace OEM# 41-114

Fit for Chevrolet : Compatible with 2014-2023 Silverado 1500, 2015-2024 Tahoe, 2014-2019 Corvette, 2017-2023 Camaro, 2015-2024 Suburban, 2015-2019 Impala, 2020-2023 Silverado 2500 / 3500, with 5.3L, 6.2L, and 6.6L V8 engines
Fit for GMC & Cadillac: Compatible with 2014-2023 Sierra 1500, 2015-2023 Yukon / Yukon XL, 2020-2023 Sierra 2500, 2020-2024 Sierra 3500, 2020-2023 Savana 2500 / 3500, 2015-2023 Cadillac Escalade
Replacement OEM Numbers: Compatible with 41-114, 12622441, ILTR5E11
Features: Our iridium spark plugs feature a 0.04" (1mm) pre-gap
Reliable Performance: This spark plug undergoes rigorous testing - vibration durability, tensile strength, and high-temperature, high-pressure performance to ensure stable engine operation

SaleNo. 4

Autolite Iridium XP Automotive Replacement Spark Plugs, XP5224 (4 Pack)

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
AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs
CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability

No. 5

NGK LKR7DIX-11S Iridium IX Spark Plug (93175 Iridium Ix), 4 Pack

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response
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 , the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage
Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines
Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties. Resistor Value-5K Ohm. Hex Size-5/8 inch

No. 6

ACDelco 41-962 Professional Platinum Spark Plug, (8)

One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
Some ACDelco GM Original Equipment parts may have formerly appeared as ACDelco Professional

No. 7

WJAUTO Spark Plugs Iridium 4 Pack, Pre-Gapped Bujías Sparkplugs OEM Replacement for Hyundai Sonata Kia Acura Chrysler Honda Lexus Mazda Mercedes-B-ENZ Mini Mitsubishi

【 Fitment Tip】To ensure proper fit, please check your vehicle’s year, make, model, and engine type using Amazon Garage before purchase.
【Wide Compatibility – OEM Fit】WJAUTO Iridium spark plugs are OEM replacement parts designed for excellent engine performance and long-lasting ignition reliability.Compatible with Hyundai Kia Acura Chrysler Honda Lexus Mazda Mercedes-B-enz Mini Mitsubishi
【 Iridium Spark Plugs 】Each spark plug features a fine iridium Center Electrode Material that ensures faster ignition, better throttle response, and improved fuel efficiency—perfect for daily drivers and performance enthusiasts alike.
【 Long Life – Up to 80,000 km Service】 Built with premium iridium materials to resist High temperature resistance, improved combustion efficiency, fast ignition response, reduced carbon deposition, These spark plugs for cars can last up to 80,000 km, outperforming standard copper bujias or platinum options. Fewer replacements, more driving.
【 4-Pack Iridium Spark Plugs Set Replacement】 Comes in a convenient 4-pack, ideal for cylinder engines or complete spark plug replacements. Trusted by professional mechanics and DIYers for quality and reliability, giving you a complete replacement solution in one box.
【 Pre-Gapped Spark Plugs – Ready to Install 】 Pre-gapped at the factory to match OEM specifications. These spark plugs pre-gapped for easy installation require no manual adjustment—just plug and play. Ideal for DIY car maintenance, tune-ups, or professional auto service.

No. 8

NGK 6619 Iridium Spark Plugs LFR6AIX-11-6 PCSNEW

Iridium Spark Plugs
Designed to operate over a much wider heat range than ordinary plugs
Resists carbon buildup and pre-ignition
Patented triple gasket sealing process eliminates the possibility of combustion gas leakage

SaleNo. 9

NGK Iridium IX Spark Plug LFR5AIX-11 (4 Pack) Compatible With TOYOTA CAMRY LE 2010-2014 2.5L/2494cc

Engine L4, Engine Size 2.5L/2494cc
Engine Family 4-cylinder
Fine wire Iridium center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-performance engines
Shorty Spark Plug: No. Resistor: Yes. Manufacturer Heat Range: 5. Electrode Tip Material: Iridium. Electrode Core Material: Copper. Insulator Type: Projected. Spark Plug Thread Size: 14mm. Spark Plug Reach: 1.043 in. Spark Plug Seat Style: Gasket. Wrench Diameter: 5/8 in. Ground Strap Quantity: One
Sold In 4 Pack

SaleNo. 10

NGK 3951 Spark Plugs TR55 (8 Pack)

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
Research Applications Prior to Purchase To Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed.
This Listing is for 8 3951 TR55 Spark Plugs

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Last update on 2025-07-21 / Affiliate links / Images from Amazon Product Advertising API

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