2019 Cadillac CTS Spark Plugs

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Keep Your 2019 Cadillac CTS in Top Shape with Quality Spark Plugs

Whether you’re repairing or upgrading your Spark Plug, using high-quality parts is key to keeping your 2019 Cadillac CTS looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Single Spark Plug Wires, Spark Plugs, and Spark Plug Tube Seals. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Spark Plugs from Trusted Brands

Looking for a reliable Spark Plug? We’ve got you covered with options from brands you know and trust like NGK, Autolite, and E3. For example, NGK Spark Plugs start at just $10.99 with an average 4.8 star rating. Autolite and E3 offer similar pricing and quality, backed by strong customer feedback. With over 580 reviews and a solid 4.5 star average, you can shop with confidence knowing other Cadillac CTS owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2019 Cadillac CTS Spark Plug at Advance Auto Parts is around $16.12, with a range that starts at $7.49 and goes up to $55.99. With 25 options in stock from 9 trusted brands, finding the right fit is easy. Popular picks like Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5863, Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP6043, and NGK Ruthenium HX Spark Plug (LTR6BHX): High Ignitability & Durability, 90495 start at just $11.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Spark Plug, don’t forget to check out other key components like Ignition Boots and Ignition Coils and Boots. At Advance Auto Parts, we’re here to help you keep your 2019 Cadillac CTS in peak condition, inside and out.

Essential 2019 Cadillac CTS Spark Plugs

NGK – NGK Laser Platinum Spark Plug (BKR6EQUP): High Ignitability & Longevity, 3199 (Part No.3199)

NGK Laser Platinum Spark Plug (BKR6EQUP): High Ignitability & Longevity, 3199

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.
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Champion – Champion Copper Plus Spark Plug RS9YC – Dependable Performance & Durability, 304 (Part No.304)

Champion Copper Plus Spark Plug RS9YC - Dependable Performance & Durability, 304

from

$4.79
Champion Copper Plus spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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NGK – NGK V-Power Nickel Spark Plug (BKR6E): Reliable Performance & Ignitability, 6962 (Part No.6962)

NGK V-Power Nickel Spark Plug (BKR6E): Reliable Performance & Ignitability, 6962

from

$6.99
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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NGK – NGK Iridium IX Spark Plug (LTR7IX-11): Outstanding Acceleration & Efficiency, 6510 (Part No.6510)

NGK Iridium IX Spark Plug (LTR7IX-11): Outstanding Acceleration & Efficiency, 6510

from

$19.99
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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Autolite Iridium – Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Superior Durability & Performance, AI5863 (Part No.AI5863)

Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Superior Durability & Performance, AI5863

from

$11.49
Autolite Iridium Ultra Laser Fine wire 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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Motorcraft – Motorcraft High-Performance Spark Plug: Enhances Fuel Efficiency & Longevity, SP-550-X (Part No.SP-550-X)

Motorcraft High-Performance Spark Plug: Enhances Fuel Efficiency & Longevity, SP-550-X

from

$9.99
Engineered for superior ignition performance, the Motorcraft High-Performance Spark Plug is designed to optimize fuel efficiency and ensure reliable starts. Featuring a platinum tip for enhanced durability and a high melting point, this spark plug offers exceptional longevity and consistent performance. Its precise gap setting ensures optimal combustion, making it an ideal choice for maintaining your vehicle’s peak performance. Trust Motorcraft for quality and dependability in every drive.
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Champion – Champion Double Platinum Power Spark Plug RES11PYPB5 – Enhanced Durability & Performance, 7437 (Part No.7437)

Champion Double Platinum Power Spark Plug RES11PYPB5 - Enhanced Durability & Performance, 7437

from

$8.89
Champion Double Platinum Power spark plugs combine a platinum fine-wire center electrode with platinum center and ground electrodes and exclusive Heat-Active alloy, ensuring powerful performance, longer service life and precise spark focus for optimal combustion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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ACDelco – ACDelco Double Platinum Spark Plug, 41-834 (Part No.41-834)

ACDelco Double Platinum Spark Plug, 41-834

from

$11.49
ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. 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. 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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ACDelco – ACDelco Iridium Spark Plug, 41-109 (Part No.41-109)

ACDelco Iridium Spark Plug, 41-109

from

$13.49
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.
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Felpro – Felpro Spark Plug Tube Seal Set, ES 72393 (Part No.ES 72393)

Felpro Spark Plug Tube Seal Set, ES 72393

from

$53.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Victor Reinz – Victor Reinz Spark Plug Tube Seal Set, 18-10035-01 (Part No.18-10035-01)

Victor Reinz Spark Plug Tube Seal Set, 18-10035-01

from

$55.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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GM Genuine Parts – GM Genuine Parts Spark Plug Wire, 12716289 (Part No.12716289)

GM Genuine Parts Spark Plug Wire, 12716289

from

$22.99
GM Genuine Parts Genuine GM Spark Plug Wires are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These wires are a single wire encased in an insulating material, and contains connectors and insulating boots. It transfers high voltage pulses between the voltage source, the distributor, and your vehicle’s spark plug. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
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Most Popular Single Spark Plug Wire for 2019 Cadillac CTSs

Enhance your 2019 Cadillac CTS with this popular Single Spark Plug Wire we have in stock, for $22.99.

GM Genuine Parts – GM Genuine Parts Spark Plug Wire, 12716289 (Part No.12716289)

GM Genuine Parts Spark Plug Wire, 12716289

from

$22.99
GM Genuine Parts Genuine GM Spark Plug Wires are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These wires are a single wire encased in an insulating material, and contains connectors and insulating boots. It transfers high voltage pulses between the voltage source, the distributor, and your vehicle’s spark plug. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
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Best-Selling 2019 Cadillac CTS Spark Plugs

Upgrade your CTS with one of our 22 best-selling Spark Plugs, earning an average 4.71 stars rating across 311 reviews.

Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5863 (Part No.APP5863)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5863

from

$7.49
The Double Platinum Spark Plug is engineered for exceptional durability and performance, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring a longer service life compared to copper and standard platinum plugs. Its yttrium-enhanced ground electrode delivers superior heat transfer, providing unmatched durability under high temperatures and pressure. The high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. With a mid-projection center electrode and tapered seat type, this performance-grade spark plug is designed to meet demanding engine requirements. Both the center and ground electrode tips are crafted from platinum, ensuring consistent ignition and enhanced efficiency. Whether you’re seeking improved durability or superior performance, this spark plug delivers value and reliability for your engine’s needs.
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NGK – NGK Iridium IX Spark Plug (LTR5IX-11): Extreme Ignitability & Durability, 4344 (Part No.4344)

NGK Iridium IX Spark Plug (LTR5IX-11): Extreme Ignitability & Durability, 4344

from

$13.99
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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NGK – NGK Ruthenium HX Spark Plug (LTR7BHX): High Ignitability & Durability, 95605 (Part No.95605)

NGK Ruthenium HX Spark Plug (LTR7BHX): High Ignitability & Durability, 95605

from

$18.99
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.
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E3 – E3 DiamondFIRE Automotive Spark Plug: More Power, Saves Gas, E3.74 (Part No.E3.74)

E3 DiamondFIRE Automotive Spark Plug: More Power, Saves Gas, E3.74

from

$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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NGK – NGK G-Power Platinum Spark Plug (LTR5GP): Enhanced Durability & Efficiency, 5019 (Part No.5019)

NGK G-Power Platinum Spark Plug (LTR5GP): Enhanced Durability & Efficiency, 5019

from

$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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Autolite Iridium – Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5863 (Part No.XP5863)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5863

from

$11.49
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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Autolite Iridium – Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP6043 (Part No.XP6043)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP6043

from

$11.49
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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NGK – NGK Ruthenium HX Spark Plug (LTR6BHX): High Ignitability & Durability, 90495 (Part No.90495)

NGK Ruthenium HX Spark Plug (LTR6BHX): High Ignitability & Durability, 90495

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.
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Autolite Iridium – Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Superior Durability & Performance, AI5863 (Part No.AI5863)

Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Superior Durability & Performance, AI5863

from

$11.49
Autolite Iridium Ultra Laser Fine wire 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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ACDelco – ACDelco Iridium Spark Plug, 41-130 (Part No.41-130)

ACDelco Iridium Spark Plug, 41-130

from

$13.49
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.
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Autolite Iridium – Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision, AI6043 (Part No.AI6043)

Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision, AI6043

from

$11.49
Autolite Iridium Ultra Laser Fine wire 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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NGK – NGK Iridium IX Spark Plug (LTR6IX): Extreme Ignitability & Durability, 94374 (Part No.94374)

NGK Iridium IX Spark Plug (LTR6IX): Extreme Ignitability & Durability, 94374

from

$15.99
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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ACDelco – ACDelco Iridium Spark Plug: Reliable Cold Starting & Smooth Performance, 41-125 (Part No.41-125)

ACDelco Iridium Spark Plug: Reliable Cold Starting & Smooth Performance, 41-125

from

$14.49
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.
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ACDelco – ACDelco Iridium Spark Plug, 41-128 (Part No.41-128)

ACDelco Iridium Spark Plug, 41-128

from

$12.49
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.
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NGK – NGK Laser Iridium Spark Plug (ILTR5D): Fine Wire Tip for Precision, 5476 (Part No.5476)

NGK Laser Iridium Spark Plug (ILTR5D): Fine Wire Tip for Precision, 5476

from

$21.99
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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NGK – NGK G-Power Platinum Spark Plug (LTR6GP-8): Enhanced Durability & Efficiency, 94372 (Part No.94372)

NGK G-Power Platinum Spark Plug (LTR6GP-8): Enhanced Durability & Efficiency, 94372

from

$9.99
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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NGK – NGK Laser Iridium Spark Plug (ILNAR7A9): Fine Wire Tip for Precision, 92176 (Part No.92176)

NGK Laser Iridium Spark Plug (ILNAR7A9): Fine Wire Tip for Precision, 92176

from

$19.49
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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NGK – NGK Iridium IX Spark Plug (LNAR7AIX): Extreme Ignitability & Durability, 91768 (Part No.91768)

NGK Iridium IX Spark Plug (LNAR7AIX): Extreme Ignitability & Durability, 91768

from

$18.49
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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DENSO – DENSO Iridium Long-Life Spark Plug: OE Performance, ZTJ16VR10, 3539 (Part No.3539)

DENSO Iridium Long-Life Spark Plug: OE Performance, ZTJ16VR10, 3539

from

$12.49
Manufactured to the strictest OE performance, durability and emissions standards.
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ACDelco – ACDelco Iridium Spark Plug, 41-147 (Part No.41-147)

ACDelco Iridium Spark Plug, 41-147

from

$12.49
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.
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Champion – Champion Iridium Spark Plug RES12WYPB4 – Maximum Performance & Longevity, 9300 (Part No.9300)

Champion Iridium Spark Plug RES12WYPB4 - Maximum Performance & Longevity, 9300

from

$10.49
Champion Iridium spark plugs combine a fine-wire iridium center with platinum ground electrodes to help any engine achieve top performance, regardless of ignition type. This advanced design ensures precise ignition, long-lasting durability and reliable performance mile after mile, while reducing wear and tear. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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Champion – Champion Iridium Spark Plug RES8WYPB3 – Maximum Performance & Longevity, 9016 (Part No.9016)

Champion Iridium Spark Plug RES8WYPB3 - Maximum Performance & Longevity, 9016

from

$9.99
Champion Iridium spark plugs combine a fine-wire iridium center with platinum ground electrodes to help any engine achieve top performance, regardless of ignition type. This advanced design ensures precise ignition, long-lasting durability and reliable performance mile after mile, while reducing wear and tear. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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Top-Quality Spark Plug Tube Seals for 2019 Cadillac CTSs

Choose a high-quality OEM or aftermarket Spark Plug Tube Seal for Cadillac CTSs and enjoy top-notch performance from $53.99.

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

Felpro Spark Plug Tube Seal Set, ES 72393

from

$53.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
See More

Victor Reinz – Victor Reinz Spark Plug Tube Seal Set, 18-10035-01 (Part No.18-10035-01)

Victor Reinz Spark Plug Tube Seal Set, 18-10035-01

from

$55.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More

Top-Rated Spark Plug Brands For Your 2019 Cadillac CTS

When it comes to finding the perfect Spark Plug for your 2019 Cadillac CTS, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 9 trusted brands. We carry the most popular Spark Plug brands including NGK, Autolite, and E3, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $7.49. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 2019 Cadillac CTS, providing peace of mind with parts that meet or exceed OEM standards.

Popular NGK 2019 Cadillac CTS Spark Plugs

If you’re looking for a top-quality Spark Plug for your 2019 Cadillac CTS, Advance Auto Parts has exactly what you need with our selection of NGK Spark Plugs. We have 3 NGK Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $10.99 and an average cost of $14.66, you’ll find the perfect Spark Plug for your needs and budget. NGK Spark Plugs for the 2019 Cadillac CTS come highly rated, with over 81 customer reviews and an impressive average rating of 4.8 stars. Choosing a NGK Spark Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
NGK Ruthenium HX Spark Plug (LTR7BHX): High Ignitability & Durability, 95605
from $18.99
(1)
NGK Ruthenium HX Spark Plug (LTR7BHX): High Ignitability & Durability, 95605
“I got these for my 2019 Mustang Ecoboost and these were way better spark plugs then anything i have tried definitely a performance oriented, spark plu”

Top-Quality Autolite 2019 Cadillac CTS Spark Plugs

For those in search of a high-quality Spark Plug for their 2019 Cadillac CTS, Advance Auto Parts offers a great selection of Autolite Spark Plugs. With 3 Autolite Spark Plugs in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Spark Plugs start at just $7.49, with an average price of $10.16, giving you a range of options to suit your budget. Backed by over 54 customer ratings and an average rating of 4.6 stars, Autolite Spark Plugs provide both reliability and excellent performance. Choosing a Autolite Spark Plug from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5863
from $11.49
(40)
Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5863
“I cannot comment if it will last 100K miles. I just installed them. However, like most things, I suspect it will be less. They do work right out of th”
Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP6043
from $11.49
(8)
Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP6043
“Used these as replacements in my 2015 Silverado 5.3L. Plugs work well, engine runs smooth. Nice replacement.”

FAQs for 2019 Cadillac CTS Spark Plugs

What are the best-selling Spark Plugs for 2019 Cadillac CTSs?

What’s the price range for 2019 Cadillac CTS Spark Plugs?

The prices of Spark Plugs for the 2019 Cadillac CTS range from $7.49 up to $55.99 for the most premium parts.

What is the average price of a Spark Plug for a 2019 Cadillac CTS?

The average price for Spark Plugs for the 2019 Cadillac CTS is $16.12. Keep in mind the variety of part types within our Spark Plug category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Spark Plugs for other Cadillac CTS model years?

Yes, we carry Spark Plugs for 15 model years of Cadillac CTSs between 2003 and 2018. The following model years are the most popular for Spark Plug purchases: 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, and 2010.

Does Advance Auto Parts sell Spark Plugs for any other 2019 Cadillac models?

Yes. We stock Spark Plugs for 5 other popular 2019 Cadillac models. Some of the most popular are 2019 Escalade Spark Plugs, 2019 Escalade ESV Spark Plugs, 2019 XTS Spark Plugs, 2019 ATS Spark Plugs, and 2019 CT6 Spark Plugs.

What are the top-rated Spark Plugs that fit the 2019 Cadillac CTS?

Based on 580 reviews by customers, our 2019 Cadillac CTS Spark Plugs have an average customer rating of 4.5 stars. These are the highest-rated categories of Spark Plugs for the 2019 Cadillac CTS and their top-rated products:

What types of Spark Plugs do you sell for my 2019 Cadillac CTS?

As of 8/2/26, these are some of the most in-demand types of Spark Plugs for a 2019 Cadillac CTS:

Can I get help with 2019 Cadillac CTS Spark Plug orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Spark Plugs and more.

What is your return policy for Cadillac CTS Spark Plugs?

Advance Auto Parts keeps returns simple. For new Cadillac CTS Spark Plugs and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.