2005 Mercedes-Benz SL55 AMG Spark Plugs
More 2005 Mercedes-Benz SL55 AMG Spark Plugs
Find your specific 2005 Mercedes-Benz SL55 AMG original or aftermarket Spark Plugs below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 2005 Mercedes-Benz SL55 AMG Spark Plugs
DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK20HR11 (Part No.3421)
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$11.49
Manufactured to the strictest OE performance, durability and emissions standards.
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Product Features:
- Latest OE technology with DENSO’s patented Iridium Alloy (90% Ir) and fine wire center electrode
- Platinum ground electrode for extended life
- DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
- Sustained spark performance over 100,000 miles
- Lasts up to three times as long as conventional plugs
- Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
- Iridium Long Life
DENSO – PKH20TT Platinum TT Spark Plug (Part No.4506)
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP5325)
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$6.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.
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Product Features:
- Works to optimize engine performance for a longer life and improved fuel economy
- OE design
- Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
- Platinum ball welding process provides a consistent point of contact for enhanced adhesion
NGK – G-Power Spark Plug: Single Platinum Tip Design, LFR6CGP (Part No.1483)
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$10.99
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.
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Product Features:
- SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
- PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
- TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IKH20 (Part No.5344)
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$12.29
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).
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Product Features:
- World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
- Patented 360-degree laser welding assembly process
- U-groove and taper cut ground electrode to maximize flame propagation.
- Withstands temperatures greater than 4000¦ Fahrenheit
- Burnished nickel plating for high temperature endurance and superior corrosion resistance
- Wide range of part numbers for thousands of applications, including classic and collector cars
- Iridium Power
ACDelco – Rapidfire Spark Plug (Part No.21)
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$5.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.
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Product Features:
- Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
- Pure copper core provides great heat transfer and helps maximize plug durability
- Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
- Ribless insulator helps optimize plug to boot sea
- Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
- Premium aftermarket replacement part
- Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP5325)
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$4.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.
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Product Features:
- High nickel alloy side electrode maintains precise gap
- Full platinum tip assures virtually no gap erosion for long life
- Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
Bosch – OE Finewire Double Platinum Spark Plug (Part No.F1000316951BOS)
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$17.89
3X longer service life compared to standard copper plugs Bosch Double Platinum spark plugs are engineered to extend performance life and durability. The fine wire design of the center electrode improves ignitability and performance in your engine while the platinum tip on both the center and ground electrodes ensure longer life. All backed by a 6-year performance satisfaction guarantee. Center Electrode Core Material: Nickel-Yttrium and Copper and Platinum – Center Electrode Tip Material: Platinum – Ground Electrode Tip Material: Nickel-Yttrium and Platinum
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Product Features:
- OE design for optimum fit and function
- Fine wire design delivers improved ignitability and performance life
- Center electrode is an ultra fine wire design.
- Copper core provides broader heat range to resist pre-ignition
- Tapered shape ground electrode reduces flame shrouding for improved combustion
- Yttrium enhanced to resist wear
- Nickel-plated shell with rolled threads
- Ribbed insulator design
NGK – Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LFR6BHX (Part No.93420)
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$14.79
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.
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Product Features:
- HIGH IGNITABILITY PROJECTED SQUARE PLATINUM ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with a unique cut-back PSPE ground electrode
- RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
- PSPE DESIGN: Projected square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Modern vehicles using OE PSPE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
Autolite Iridium – Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability (Part No.AI5325)
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$10.99
Autolite Iridium Ultra Laser Finewire Spark Plugs are one of our brand’s most technologically advanced products. These spark plugs provide superior durability, more focused ignition with better overall ignitability for optimum performance. Autolite Spark Plugs are the best alternative to OE spark plugs, offering OE fit form and function supporting all foreign and domestic makes and models at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs in the world.
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Product Features:
- Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
- A laser-welded 0.5mm pure iridium finewire center electrode provides optimal fuel efficiency, acceleration and focused ignitability.
- Nickel-plated shell to resist corrosion.
- High-alumina ceramic insulator for increased strength.
- Laser welded 0.5mm Iridium finewire center electrode.
- Proprietary platinum sidewire technology.
Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, REC10YC4 (Part No.975)
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$2.29
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
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Product Features:
- Copper Plus – Dependable Performance and Durability
- Copper core center electrode allows for accurate control of heat range for longer life
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
NGK – OE Series Laser Iridium Spark Plug: Fine Wire Tip Design, ILFR6A (Part No.3588)
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$18.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, LFR6AIX (Part No.93893)
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$11.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
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Product Features:
- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
E3 – DiamondFIRE Automotive Spark Plug: More Power, Saves Gas (Part No.E3.68)
from
$6.99
The Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.68 is a 14mm, 1.000 reach plug with a gasket seat. It fits a wide variety of late model applications, especially Hemi applications. E3.68 is widely stocked in automotive retail stores. The automotive plugs have three legs securing the Diamond FIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond FIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use.
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Product Features:
- E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
- Smoother Acceleration & Idle – The faster flame initiated by the The spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
- Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
- Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
- E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
- The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
Bosch – Opti-Layer Mag Core Ignition Wire (Part No.F1030328041BOS)
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$38.24
Opti-Layer Mag wire delivers maximum firing energy for a longer more powerful spark and optimum ignition performance. MAG core wire employ a spiral wound, magnetic firing core design. The Bosch MAG core is upgraded to premium by replacing standard metallic wire with a tightly wound low resistance stainless steel wire. Bosch MAG core provides a hotter, more powerful and longer spark resulting in optimum engine performance while reducing the chance for misfire and eliminating radio frequency static. Many Original Equipment Manufacturers continue to switch from conventional core construction to MAG core Bosch wire sets for all domestic and Asian cars, trucks, and SUVs are constructed using our premium MAG core technology. Bosch Premium Wire meet, and often exceed, the performance of the original equipment wires that they replace. The overall construction of the cable core, spark plug boots and outer jacket make Bosch ignition leads suitable for use with gasoline, LPG or alternative fuel engines.
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Product Features:
- Precision engineered Opti-Layer Mag wire
- Mag delivers maximum firing energy for a longer more powerful spark and optimum ignition performance.
- 100% pure silicone jacket for ultimate lifetime performance.
- OE fit for easy installation
- Latest cable Opti-layer Mag technology using inductive core for better performance
- 100% silicone construction inner and outer insulating sheathing
- Class F cables with superior heat resistance up to 250C
- Ensures high performance whilst maintaining peak voltage to the spark plugs
- Exceeds International Standard ISO3808:2002(E) for High Voltage Ignition Cables
- Excellent RFI suppression and electrical conductivity properties
- High liner and tensile strength fiber glass reinforcing braid for longer life
- Resistance to aggressive under bonnet conditions of fuels and oils Installation Instructions: ( )
Bosch – Opti-Layer Mag Core Ignition Wire (Part No.F1030328040BOS)
from
$30.52
Opti-Layer Mag wire delivers maximum firing energy for a longer more powerful spark and optimum ignition performance. MAG core wire employ a spiral wound, magnetic firing core design. The Bosch MAG core is upgraded to premium by replacing standard metallic wire with a tightly wound low resistance stainless steel wire. Bosch MAG core provides a hotter, more powerful and longer spark resulting in optimum engine performance while reducing the chance for misfire and eliminating radio frequency static. Many Original Equipment Manufacturers continue to switch from conventional core construction to MAG core Bosch wire sets for all domestic and Asian cars, trucks, and SUVs are constructed using our premium MAG core technology. Bosch Premium Wire meet, and often exceed, the performance of the original equipment wires that they replace. The overall construction of the cable core, spark plug boots and outer jacket make Bosch ignition leads suitable for use with gasoline, LPG or alternative fuel engines.
Product Features:
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Product Features:
- Precision engineered Opti-Layer Mag wire
- Mag delivers maximum firing energy for a longer more powerful spark and optimum ignition performance.
- 100% pure silicone jacket for ultimate lifetime performance.
- OE fit for easy installation
- Latest cable Opti-layer Mag technology using inductive core for better performance
- 100% silicone construction inner and outer insulating sheathing
- Class F cables with superior heat resistance up to 250C
- Ensures high performance whilst maintaining peak voltage to the spark plugs
- Exceeds International Standard ISO3808:2002(E) for High Voltage Ignition Cables
- Excellent RFI suppression and electrical conductivity properties
- High liner and tensile strength fiber glass reinforcing braid for longer life
- Resistance to aggressive under bonnet conditions of fuels and oils Installation Instructions: ( )
Bosch – Opti-Layer Mag Core Ignition Wire (Part No.F1030328038BOS)
from
$25.55
Opti-Layer Mag wire delivers maximum firing energy for a longer more powerful spark and optimum ignition performance. MAG core wire employ a spiral wound, magnetic firing core design. The Bosch MAG core is upgraded to premium by replacing standard metallic wire with a tightly wound low resistance stainless steel wire. Bosch MAG core provides a hotter, more powerful and longer spark resulting in optimum engine performance while reducing the chance for misfire and eliminating radio frequency static. Many Original Equipment Manufacturers continue to switch from conventional core construction to MAG core Bosch wire sets for all domestic and Asian cars, trucks, and SUVs are constructed using our premium MAG core technology. Bosch Premium Wire meet, and often exceed, the performance of the original equipment wires that they replace. The overall construction of the cable core, spark plug boots and outer jacket make Bosch ignition leads suitable for use with gasoline, LPG or alternative fuel engines.
Product Features:
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Product Features:
- Precision engineered Opti-Layer Mag wire
- Mag delivers maximum firing energy for a longer more powerful spark and optimum ignition performance.
- 100% pure silicone jacket for ultimate lifetime performance.
- OE fit for easy installation
- Latest cable Opti-layer Mag technology using inductive core for better performance
- 100% silicone construction inner and outer insulating sheathing
- Class F cables with superior heat resistance up to 250C
- Ensures high performance whilst maintaining peak voltage to the spark plugs
- Exceeds International Standard ISO3808:2002(E) for High Voltage Ignition Cables
- Excellent RFI suppression and electrical conductivity properties
- High liner and tensile strength fiber glass reinforcing braid for longer life
- Resistance to aggressive under bonnet conditions of fuels and oils Installation Instructions: ( )
Bosch – Opti-Layer Mag Core Ignition Wire (Part No.F1030283541BOS)
from
$21.55
Opti-Layer Mag wire delivers maximum firing energy for a longer more powerful spark and optimum ignition performance. MAG core wire employ a spiral wound, magnetic firing core design. The Bosch MAG core is upgraded to premium by replacing standard metallic wire with a tightly wound low resistance stainless steel wire. Bosch MAG core provides a hotter, more powerful and longer spark resulting in optimum engine performance while reducing the chance for misfire and eliminating radio frequency static. Many Original Equipment Manufacturers continue to switch from conventional core construction to MAG core Bosch wire sets for all domestic and Asian cars, trucks, and SUVs are constructed using our premium MAG core technology. Bosch Premium Wire meet, and often exceed, the performance of the original equipment wires that they replace. The overall construction of the cable core, spark plug boots and outer jacket make Bosch ignition leads suitable for use with gasoline, LPG or alternative fuel engines.
Product Features:
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Product Features:
- Precision engineered Opti-Layer Mag wire
- Mag delivers maximum firing energy for a longer more powerful spark and optimum ignition performance.
- 100% pure silicone jacket for ultimate lifetime performance.
- OE fit for easy installation
- Latest cable Opti-layer Mag technology using inductive core for better performance
- 100% silicone construction inner and outer insulating sheathing
- Class F cables with superior heat resistance up to 250C
- Ensures high performance whilst maintaining peak voltage to the spark plugs
- Exceeds International Standard ISO3808:2002(E) for High Voltage Ignition Cables
- Excellent RFI suppression and electrical conductivity properties
- High liner and tensile strength fiber glass reinforcing braid for longer life
- Resistance to aggressive under bonnet conditions of fuels and oils Installation Instructions: ( )
Popular 2005 Mercedes-Benz SL55 AMG Spark Plugs Categories
2005 Mercedes-Benz SL55 AMG Spark Plugs
Maybe you’re in the middle of a full rebuild of that 2005 Mercedes-Benz SL55 AMG. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 22 different Spark Plugs in our inventory ranging from $2.29 to $38.24. That means you can find the exact parts or products you need to keep that 2005 Mercedes-Benz SL55 AMG running smoothly.
Spark Plugs are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 2005 Mercedes-Benz SL55 AMG. Autolite, DENSO, and E3 are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Spark Plugs for your 2005 Mercedes-Benz SL55 AMG, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 688 reviews in this category, some of the top rated parts include Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IKH20 with 4.7 stars and Opti-Layer Mag Core Ignition Wire with 4.7 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 2005 Mercedes-Benz SL55 AMG rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Spark Plugs Brands To Make Your 2005 Mercedes-Benz SL55 AMG Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 2005 Mercedes-Benz SL55 AMG demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your SL55 AMG the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular DENSO Spark Plugs
We carry DENSO parts in our stock across Spark Plugs categories, plus more. For a 2005 Mercedes-Benz SL55 AMG, our most popular DENSO Spark Plugs include:
from
$10.99
(16)
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IKH20TT
Spark Plugs
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$11.49
(104)
Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK20HR11
Spark Plugs
Top 2005 Mercedes-Benz SL55 AMG Spark Plugs from Autolite Iridium
Autolite Iridium products are another trusted brand when it comes to Spark Plugs for your 2005 Mercedes-Benz SL55 AMG. Popular Autolite Iridium parts include:
from
$9.99
(166)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
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$4.79
(131)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
Spark Plugs
from
$6.79
(87)
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
Spark Plugs
FAQs for 2005 Mercedes-Benz SL55 AMG Spark Plugs
What are the most purchased Spark Plugs for the 2005 Mercedes-Benz SL55 AMG?
Out of 22 Spark Plugs for the 2005 Mercedes-Benz SL55 AMG, the most popular in our inventory are:
from
$10.99
This product is not rated
Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability
Spark Plugs
from
$5.49
This product is not rated
U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, K20HR-U11
Spark Plugs
What are the top-rated 2005 Mercedes-Benz SL55 AMG Spark Plugs?
Top-rated Spark Plugs for your 2005 Mercedes-Benz SL55 AMG based on customer reviews/ratings are:
from
$12.29
(76)
Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IKH20
“Great spark plug for the money!”
from
$18.99
(2)
OE Series Laser Iridium Spark Plug: Fine Wire Tip Design, ILFR6A
“Advanced had the plugs for $7.00 less than dealer and 2.00 less than everyone else.. Still spending [$] on a single plugs is outrageous let alone need”
