2006 Cadillac STS Spark Plugs
More 2006 Cadillac STS Spark Plugs
Find your specific 2006 Cadillac STS 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 2006 Cadillac STS Spark Plugs
Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5263)
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$9.99
Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
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Product Features:
- 0.6 mm finewire design improves ignitability
- Patented V-trimmed platinum sidewire technology resists wear
- OE equivalent design is engineered for every engine
- Designed for better overall durability with virtually no gap erosion
DENSO – Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PT16VR13 (Part No.5068)
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$9.49
Manufactured to the strictest OE performance, durability and emissions standards.
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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
- OE Performance: Designed to meet original equipment (OE) performance standards for optimal vehicle compatibility and efficiency.
- Tapered Seat Type: Equipped with a tapered seat type for a secure fit and improved combustion efficiency.
Motorcraft – Double Platinum Spark Plug: Enhances Durability & Reduces Misfires (Part No.SP-486)
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$7.29
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. With a platinum center and ground electrode tip, they are resistant to oxidation and arc erosion, ensuring long-lasting performance. The multi-rib insulator protects against misfire, and they are backed by Motorcraft’s Service Parts Warranty. Designed for exact fit in Ford, Lincoln, and Mercury vehicles, they also help prevent false check engine lights. With service intervals of up to 100,000 miles, Motorcraft Spark Plugs are crafted from high-quality materials to deliver reliable performance for almost any application, making them the same components that were in the vehicle when it was manufactured.
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Product Features:
- Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
- Backed by Motorcraft’s Service Parts Warranty
- Exact fit for Ford, Lincoln and Mercury vehicles
- Resistant to oxidation and arc erosion.
- Multi-rib insulator protects against misfire.
- Service intervals of up to 100,000 miles.
- Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
- Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
- Motorcraft ignition components help prevent false check engine lights.
- Enhanced Durability: Engineered with a platinum center and ground electrode tip, these spark plugs are resistant to oxidation and arc erosion, ensuring long-lasting performance.
ACDelco – Premium Double Platinum Tip Copper Core Spark Plug: Long-Lasting Performance & Durability (Part No.41-987)
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$9.79
ACDelco GM Original Equipment Double Platinum Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. ACDelco GM Original Equipment parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
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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
- 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
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, TR5IX (Part No.7397)
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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.
Product Features:
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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
- Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver exceptional acceleration and improved fuel efficiency, making them ideal for performance enthusiasts.
- Extreme Ignitability and Anti-Fouling: These spark plugs offer extreme ignitability and exceptional resistance to fouling, ensuring reliable performance in various driving conditions.
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, TR55IX (Part No.7164)
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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 c
Product Features:
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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
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP103)
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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
ACDelco – Double Platinum Spark Plug: Original Equipment Replacement (Part No.41-950)
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$9.79
ACDelco GM Original Equipment Double Platinum Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. ACDelco GM Original Equipment parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
Product Features:
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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
- 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
- Copper Core: Designed with a copper core to provide excellent heat transfer and electrical conductivity.
- Conical Seat Type: Equipped with a conical seat type for a secure fit and optimal performance.
Motorcraft – Iridium Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-541-A)
from
$12.99
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. Backed by Motorcraft’s Service Parts Warranty, they are an exact fit for Ford, Lincoln, and Mercury vehicles and are resistant to oxidation and arc erosion. The multi-rib insulator protects against misfire, and they offer service intervals of up to 100,000 miles. Designed with high-quality materials, Motorcraft Spark Plugs provide reliable performance for almost any application and help prevent false check engine lights. With platinum center and ground electrode tips, these spark plugs ensure your vehicle runs as it did when it was first manufactured.
Product Features:
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Product Features:
- Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
- Backed by Motorcraft’s Service Parts Warranty
- Exact fit for Ford, Lincoln and Mercury vehicles
- Resistant to oxidation and arc erosion.
- Multi-rib insulator protects against misfire.
- Service intervals of up to 100,000 miles.
- Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
- Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
- Motorcraft ignition components help prevent false check engine lights.
- Enhanced Durability: Engineered to meet strict Ford engineering standards, these Motorcraft Iridium Spark Plugs are designed to provide enhanced durability and long-lasting performance.
E3 – DiamondFIRE Automotive Spark Plug: More Power, Saves Gas (Part No.E3.74)
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$8.49
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. E3.74 is a 14mm, 1.000 reach plug with a taper seat. It fits a wide variety of late model applications, especially Ford applications. 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.
- Enhanced Heat Transfer: Three legs securing the Diamond FIRE electrode to the shell ensure excellent heat transfer and create more turbulence in the cylinder.
- Wide Compatibility: The E3.74 spark plug is a 14mm, 1.000 reach plug with a taper seat, fitting a wide variety of late model applications, especially Ford vehicles.
- Eco-Friendly Performance: Proven to reduce fuel consumption and improve hydrocarbon emissions, contributing to a cleaner environment.
- Long-Term Efficiency: The Diamond FIRE side wire is designed for long-term use, maintaining increased power and reduced fuel consumption over time.
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.605)
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$3.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology. Designed and engineered in the USA, these spark plugs feature a copper cored center electrode for higher thermal conductivity, ensuring quick starts and smooth acceleration. The specially engineered high nickel alloy center and ground electrode provide extended life, while the high alumina ceramic offers high dielectric strength. Additionally, the leak-proof, heat-fused internal seal enhances durability, and the multi-rib insulator prevents flash-over. The tapered seat type ensures a perfect fit, making these spark plugs a reliable choice for your vehicle.
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Product Features:
- Copper cored center electrode for higher thermal conductivity
- Specially engineered high nickel alloy center and ground electrode for extended life
- High alumina ceramic for high dielectric strength
- Leak proof, heat fused internal seal for durability
- Multi-rib insulator prevents flash-over
- Perfect Fit: The tapered seat type ensures a perfect fit, making installation easy and reliable for your vehicle.
Autolite – Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions (Part No.AR103)
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$4.99
The ground electrode is cut-back from the center electrode to provide a gap, and its concave face ensures a constant gap to the center electrode. This design opens the spark face for better ignitability of the flame kernel and retains less heat, transferring it to the shell faster to reduce the risk of pre-ignition. Dyno testing has shown proven power gains, making it ideal for all aftermarket cylinder heads used in various racing venues, including oval and road racing. The cut-back ground electrode is an evolution from the practice of grinding back the side electrode, and it features a tapered seat type for optimal performance.
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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
- Optimal Performance: Features a tapered seat type for optimal performance in various racing venues, including oval and road racing.
- Durable Design: Specifically designed to handle intense conditions, making it suitable for all aftermarket cylinder heads used in racing.
Champion – Platinum Power Spark Plug: Powerful Perfromance, OE Replacement, RS10PYC4 (Part No.3401)
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$4.49
Champion Platinum Power spark plugs deliver powerful performance. Made from exclusive Heat-Active alloy, a fine-wire center electrode and V-trimmed ground electrode provides sharp spark focus.
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Product Features:
- Platinum Power- Premium Spark Plug. Powerful Performance.
- Platinum center electrode for long life
- Fine-wire center electrode for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Heat-Active alloy allows electrodes to reach optimal temperature
- Platinum tipped center wire resists wear and helps to maintain proper gap spec over life of the plug
Motorcraft – Spark Plug (Part No.SP-486-X)
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$7.29
The Motorcraft Spark Plug is a high-quality replacement spark plug designed to provide reliable performance and long-lasting durability for your vehicle. It features a nickel alloy electrode that provides superior wear resistance and a platinum tip that ensures consistent performance over the life of the plug. The Motorcraft Spark Plug also has a ribbed insulator design that helps prevent misfires and a copper core that provides efficient heat transfer. It is designed to meet or exceed OEM specifications and is compatible with a wide range of vehicles. Whether you’re looking to replace worn-out spark plugs or upgrade to a higher-quality option, the Motorcraft Spark Plug is an excellent choice that will help keep your engine running smoothly and efficiently.
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ACDelco – Valve Cover Gasket (Part No.A8027361126ACD)
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$16.91
Valve Cover Gasket
Felpro – Spark Plug Tube Seal Set (Part No.ES 72393)
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$51.99
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:
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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 2006 Cadillac STS Spark Plugs Categories
2006 Cadillac STS Spark Plugs
Maybe you’re in the middle of a full rebuild of that 2006 Cadillac STS. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 57 different Spark Plugs in our inventory ranging from $2.99 to $51.99. That means you can find the exact parts or products you need to keep that 2006 Cadillac STS 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 2006 Cadillac STS. Autolite, NGK, and ACDelco 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 2006 Cadillac STS, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,851 reviews in this category, some of the top rated parts include DiamondFIRE Automotive Spark Plug: More Power, Saves Gas with 4.0 stars and PT16TT Platinum TT Spark Plug with 4.6 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 2006 Cadillac STS 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 2006 Cadillac STS Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 2006 Cadillac STS 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 STS the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular Motorcraft Spark Plugs
We carry Motorcraft parts in our stock across Spark Plugs categories, plus more. For a 2006 Cadillac STS, our most popular Motorcraft Spark Plugs include:
Top 2006 Cadillac STS Spark Plugs from Autolite
Autolite products are another trusted brand when it comes to Spark Plugs for your 2006 Cadillac STS. Popular Autolite parts include:
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$4.79
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Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
Spark Plugs
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$9.99
(133)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
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$6.49
(102)
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
Spark Plugs
FAQs for 2006 Cadillac STS Spark Plugs
What are the most purchased Spark Plugs for the 2006 Cadillac STS?
Out of 57 Spark Plugs for the 2006 Cadillac STS, the most popular in our inventory are:
What are the top-rated 2006 Cadillac STS Spark Plugs?
Top-rated Spark Plugs for your 2006 Cadillac STS based on customer reviews/ratings are:
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$4.79
(82)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
“My van is running, so I assume the plugs are workin’ fine. I’ll update you at 50,000 miles.”
