2003 Infiniti QX4 Spark Plugs
More 2003 Infiniti QX4 Spark Plugs
Find your specific 2003 Infiniti QX4 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 2003 Infiniti QX4 Spark Plugs
DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK16PR-L11 (Part No.3395)
from
$15.49
Manufactured to the strictest OE performance, durability and emissions standards.
Product Features:
See More
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
- Enhanced Engine Performance: Enjoy more horsepower, faster and easier starts, and fewer misfires under heavy loads, thanks to the advanced design and materials used in the DENSO Iridium Long Life plug.
- Fuel Efficiency: This spark plug not only boosts engine performance but also helps in better conservation of fuel, making it an economical choice for long-term use.
NGK – Laser Platinum Spark Plug (Part No.F100067307NGK)
from
$9.28
NGK Laser Platinum spark plugs provide high ignitability and longer service life. Dual platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. The platinum disc welded to backside of ground electrode provides long life, faster starts and quicker acceleration. Laser Platinum spark plugs provide high ignitability and longer service life.
Product Features:
See More
Product Features:
- Laser welded Platinum center electrode tip
- Platinum disc welded to backside of ground electrode provides long life
- Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties
- Faster starts and quicker acceleration
- Better fuel economy and lower emissions
- Best Platinum spark plug available
- Original Equipment Manufacturer approved design
NGK – G-Power Spark Plug: Single Platinum Tip Design, BKR5EGP (Part No.7090)
from
$6.29
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.
Product Features:
See More
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
Autolite – Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions (Part No.AR3924)
from
$5.29
The ground electrode is cut-back from the center electrode to provide a gap. The face of the ground electrode is concave to provide a constant gap to the center electrode. This plug is designed use in all aftermarket cylinder heads used in different types of racing venues including oval and road racing.
Product Features:
See More
Product Features:
- Opens spark face for better ignitability of flame kernel
- Retains less heat, transfers heat to shell faster – reduces risk of pre-ignition
- Dyno testing has shown proven power gains
- Cut-back ground electrode evolved from practice of grinding back the side electrode
ACDelco – Rapidfire Spark Plug (Part No.5)
from
$6.79
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.
Product Features:
See More
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
NGK – G-Power Spark Plug: Single Platinum Tip Design, LFR5AGP (Part No.5018)
from
$11.49
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.
Product Features:
See More
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
- Enhanced Durability: The platinum tip design ensures increased durability, making these spark plugs a reliable choice for long-term use.
- Gasket Seat Type: Equipped with a gasket seat type, ensuring a secure and proper fit in the engine for optimal performance.
Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, REC10YC4 (Part No.975)
from
$2.29
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Product Features:
See More
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
DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK16HR11 (Part No.3417)
from
$11.49
Manufactured to the strictest OE performance, durability and emissions standards.
Product Features:
See More
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
Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, RC12WYPB4 (Part No.9201)
from
$8.49
Champion® Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.
Product Features:
See More
Product Features:
- Champion Iridium – Maximum Performance. Premium Spark Plug
- Iridium center electrode delivers maximum life
- Fine-wire center electrode and V-trimmed for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Maintains stable operating temperature under all engine loads
- Heat-Active™ alloy allows electrodes to reach optimal temperature quickly
NGK – Ruthenium HX High Ignitability Spark Plug: DFE Tip Design, FR5AHX (Part No.95839)
from
$15.99
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.
Product Features:
See More
Product Features:
- HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
- RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
- PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
- 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 DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
NGK – OE Series Laser Platinum Spark Plug: Fine Wire Tip Design, PLFR5A-11 (Part No.6240)
from
$17.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts. Most Laser Platinum spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
Product Features:
See More
Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire platinum alloy center electrode provides consistent performance
- PLATINUM ALLOY CENTER ELECTRODE: Longer wearing and higher temperature resistance compared to traditional nickel spark plugs
- 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 platinum alloy plugs
- Enhanced Fuel Efficiency and Lower Emissions: These spark plugs contribute to improved fuel efficiency and reduced emissions, making them an eco-friendly choice.
- Superior Anti-Fouling and Stable Idling: The advanced design provides stable idling and superior resistance to fouling, ensuring consistent engine performance.
DENSO – Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK16PR11 (Part No.3264)
from
$9.49
Manufactured to the strictest OE performance, durability and emissions standards.
Product Features:
See More
Product Features:
- OE grade platinum on both center and ground electrods
- Premium shell construction with machine-rolled threads
- Superior thermal conductivity
- Sustained spark performance over 60,000 miles
- Reduced secondary required voltage, increased ignition efficiency
- Satisfied customers, reduced shop comebacks
- Double Platinum
Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP3924)
from
$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.
Product Features:
See More
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)
ACDelco – Double Platinum Spark Plug (Part No.41-800)
from
$9.79
ACDelco Professional Double Platinum Spark Plugs are premium aftermarket plugs, and are a high quality replacement for many vehicles on the road today. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.
Product Features:
See More
Product Features:
- 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 GM Genuine Parts (OE) or ACDelco Professional
- ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
Ishino – Stone Spark Plug Tube Seal (Part No.A8027110041ISH)
from
$5.72
ISHINO STONE® – Corteco Ishino Corporation of Japan – has been manufacturing gaskets since 1932 and tier-1 OEM supplier to Toyota, Honda and other Japanese auto manufacturers.
Product Features:
See More
Product Features:
- Superb quality and precision manufacturing process to ensure overall sealing dependability
- Static sealing solutions are guaranteed to supply strong sealing power to eliminate any leakage
- Manufactured to exact OEM specifications
Felpro – SPARK PLUG TUBE SEAL SET (Part No.ES 72481)
from
$31.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered and manufactured specifically for the repair environment
- Unsurpassed quality you can trust
- Validated for fit, form, and function
Popular 2003 Infiniti QX4 Spark Plugs Categories
2003 Infiniti QX4 Spark Plugs
Maybe you’re in the middle of a full rebuild of that 2003 Infiniti QX4. 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 $31.49. That means you can find the exact parts or products you need to keep that 2003 Infiniti QX4 running smoothly.
Spark Plugs are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Infiniti QX4. Autolite, NGK, and DENSO 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 2003 Infiniti QX4, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 965 reviews in this category, some of the top rated parts include OE Series Laser Platinum Spark Plug: Fine Wire Tip Design, PLFR5A-11 with 4.9 stars and Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK16HR11 with 4.9 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 2003 Infiniti QX4 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 2003 Infiniti QX4 Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Infiniti QX4 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 QX4 the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular Champion Spark Plugs
We carry Champion parts in our stock across Spark Plugs categories, plus more. For a 2003 Infiniti QX4, our most popular Champion Spark Plugs include:
from
$7.99
(2)
Double Platinum & Power Spark Plug Exceptional Perf OE Replacement REC10PYPB4
Spark Plugs
Top 2003 Infiniti QX4 Spark Plugs from Autolite Iridium
Autolite Iridium products are another trusted brand when it comes to Spark Plugs for your 2003 Infiniti QX4. Popular Autolite Iridium parts include:
from
$9.99
(166)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
from
$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 2003 Infiniti QX4 Spark Plugs
What are the most purchased Spark Plugs for the 2003 Infiniti QX4?
Out of 22 Spark Plugs for the 2003 Infiniti QX4, the most popular in our inventory are:
What are the top-rated 2003 Infiniti QX4 Spark Plugs?
Top-rated Spark Plugs for your 2003 Infiniti QX4 based on customer reviews/ratings are:
from
$17.99
(82)
OE Series Laser Platinum Spark Plug: Fine Wire Tip Design, PLFR5A-11
“This are the original parts for a Nissan Altima 2002 2.5 4 cyl.”
from
$11.49
(68)
Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SK16HR11
“Replaced the original plugs in my 2012Camry”
from
$10.99
(47)
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IKH16TT
“great product”
