2011 Cadillac STS Spark Plugs

Essential 2011 Cadillac STS Spark Plugs

ACDelco – Professional Platinum Spark Plug (Part No.F1000741237ACD)

Professional Platinum Spark Plug

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$14.46
An ideal plug for vehicles requiring platinum performance or older vehicles calling for conventional plugs, ACDelco’s Professional Platinum Spark Plugs can give up to 100,000 miles of service in some applications.

Product Features:
  • Dual platinum tip for improved resistance to spark erosion and corrosive combustion chamber environment.
  • A platinum center electrode and a platinum pad lower the ignition voltage demand.
  • 3-piece Fired-In-Suppressor Seal (FISS) helps reduce radio frequency interference, meters spark plug energy to help provide long electrode life and seals against compression leakage.
  • Designed with a corrosion-resistant shell.
  • Spark gap remains virtually unchanged during the life of the plug.
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITV16 (Part No.5338)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITV16

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$11.99
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

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
  • Superior Performance: This spark plug requires 5,000 volts less to fire compared to conventional spark plugs, providing maximum performance even under extreme conditions.
  • Enhanced Horsepower and Efficiency: Experience more horsepower, faster and easier starts, fewer misfires under heavy loads, and improved fuel efficiency with the DENSO Iridium Power spark plug.
  • Tapered Seat Type: Designed with a tapered seat type, the DENSO Iridium Power spark plug ensures a secure fit and optimal performance.
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.103)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

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$3.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
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NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, TR5IX (Part No.7397)

Iridium IX Spark Plug: Single Iridium Fine Wire, TR5IX

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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:
  • 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.
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Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP103)

Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life

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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.

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
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.104)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$3.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:
  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
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Champion – Platinum Power Spark Plug: Powerful Perfromance, OE Replacement, RS10PYC4 (Part No.3401)

Platinum Power Spark Plug: Powerful Perfromance, OE Replacement, RS10PYC4

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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.

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
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ACDelco – Iridium Spark Plug: Original Equipment Replacement (Part No.41-988)

Iridium Spark Plug: Original Equipment Replacement

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$11.99
ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are our latest in spark plug technology and an exact replacement for your vehicle’s original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. ACDelco GM Original Equipment parts are the true OE parts installed during the production of 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:
  • Iridium is the latest in spark plug technology and is an exact replacement for vehicles’ original components
  • 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
  • Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics
  • Iridium plugs are laser-welded which provides precision welds, reduces excess debris and wear rate, thus increasing durability
  • 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
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E3 – DiamondFIRE Automotive Spark Plug: More Power, Saves Gas (Part No.E3.54)

DiamondFIRE Automotive Spark Plug: More Power, Saves Gas

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$7.29
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. E3.54 is a 14mm, 0.708 reach plug with a taper seat. It fits domestic applications, and is widely available 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.

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.
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Felpro – Spark Plug Tube Seal Set (Part No.ES 72393)

Spark Plug Tube Seal Set

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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:
  • 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
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ACDelco – Valve Cover Gasket (Part No.A8027361126ACD)

Valve Cover Gasket

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$20.53
Valve Cover Gasket

Melling – Stock Replacement Spark Plug Tube (Part No.MSPT-4)

Stock Replacement Spark Plug Tube

from

$11.99
Made In USA. Melling provides spark plug tubes for both domestic and import vehicle applications. Each spark plug tube is manufactured from high quality material to assure the correct fit and function throughout the engines service life. Melling recommends new spark plug tubes with every engine rebuild where they are required.
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2011 Cadillac STS Spark Plugs

Maybe you’re in the middle of a full rebuild of that 2011 Cadillac STS. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 24 different Spark Plugs in our inventory ranging from $4.29 to $51.99. That means you can find the exact parts or products you need to keep that 2011 Cadillac STS running smoothly.

Spark Plugs are only as good as their brand. We stock 9 different brands to make sure you have plenty of trusted parts to choose from for your 2011 Cadillac STS. Autolite, E3, 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 2011 Cadillac STS, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 754 reviews in this category, some of the top rated parts include Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, ITV20TT with 4.6 stars and RAPIDFIRE Spark Plug with 4.4 stars.

So if you’re in the market for aftermarket Spark Plugs to keep your 2011 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 2011 Cadillac STS Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2011 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.

FAQs for 2011 Cadillac STS Spark Plugs

What are the most purchased Spark Plugs for the 2011 Cadillac STS?

Out of 24 Spark Plugs for the 2011 Cadillac STS, the most popular in our inventory are:

What are the top-rated 2011 Cadillac STS Spark Plugs?

Top-rated Spark Plugs for your 2011 Cadillac STS based on customer reviews/ratings are:
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, ITV20TT
from $10.99
(14)
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, ITV20TT
“Fantastic plugs, remember do NOT gap them (they come pre-gapped).”
RAPIDFIRE Spark Plug
from $7.49
(10)
RAPIDFIRE Spark Plug
“Great deals and perfect for the car make that I have”
OE Finewire Double Iridium Spark Plug
from $13.94
(1)
OE Finewire Double Iridium Spark Plug
“great price”