2008 Cadillac CTS Spark Plugs

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Keep Your 2008 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 2008 Cadillac CTS looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Spark Plug Tube Seals, Spark Plugs, and Spark Plug Tubes. 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 Autolite, Champion, and DENSO. For example, Autolite Spark Plugs start at just $5.49 with an average 4.6 star rating. Champion and DENSO offer similar pricing and quality, backed by strong customer feedback. With over 1,410 reviews and a solid 4.4 star average, you can shop with confidence knowing other Cadillac CTS owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2008 Cadillac CTS Spark Plug at Advance Auto Parts is around $15.87, with a range that starts at $5.49 and goes up to $55.99. With 22 options in stock from 9 trusted brands, finding the right fit is easy. Popular picks like E3 DiamondFIRE Automotive Spark Plug: More Power, Saves Gas, E3.74, ACDelco Iridium Spark Plug, 41-988, and Champion Platinum Power Spark Plug RE10PMC5 – Powerful Performance & Longevity, 3032 start at just $5.99 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 Coils and Boots and Ignition Sensors. At Advance Auto Parts, we’re here to help you keep your 2008 Cadillac CTS in peak condition, inside and out.

Essential 2008 Cadillac CTS Spark Plugs

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

Melling Stock Replacement Spark Plug Tube, MSPT-4

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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Autolite – Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP5263 (Part No.AP5263)

Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP5263

from

$5.49
Autolite Platinum spark plugs are crafted for superior performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, and enhanced acceleration while boosting fuel efficiency. The platinum firing tip resists gap erosion, extending service life, while the high alumina ceramic insulator offers excellent thermal conductivity and insulation for added strength. A multi-rib insulator prevents flash-over, ensuring reliable operation, and the nickel-plated shell resists corrosion for long-lasting durability. With a mid-projection standard center electrode design and a tapered seat type, these performance-grade spark plugs deliver consistent results. The combination of platinum and nickel materials in the electrode tips further enhances reliability, making them a dependable choice for maintaining engine efficiency and longevity.
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Motorcraft – Motorcraft Standard Spark Plug: Enhances Durability & Reduces Misfires, SP-445-A (Part No.SP-445-A)

Motorcraft Standard Spark Plug: Enhances Durability & Reduces Misfires, SP-445-A

from

$3.29
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. They are resistant to oxidation and arc erosion, feature a multi-rib insulator to protect against misfire, and offer service intervals of up to 100,000 miles. Designed with high-quality materials, they provide reliable performance for almost any application and are backed by Motorcraft’s Service Parts Warranty. Motorcraft Spark Plugs are an exact fit for Ford, Lincoln, and Mercury vehicles, helping to prevent false check engine lights and ensuring your vehicle runs as it did when it was first manufactured.
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Champion – Champion Copper Plus Spark Plug RS12YC – Dependable Performance & Durability, 401 (Part No.401)

Champion Copper Plus Spark Plug RS12YC - Dependable Performance & Durability, 401

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$4.19
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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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5245 (Part No.APP5245)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5245

from

$7.49
Autolite Double Platinum spark plugs are engineered for exceptional durability and performance, making them a reliable choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, these spark plugs effectively prevent gap erosion, reduce misfires, and extend service life. The yttrium-enhanced ground electrode ensures superior heat transfer, allowing the spark plug to withstand high temperatures and pressures for greater longevity. With a high alumina ceramic insulator, these plugs deliver optimal thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for consistent performance. Designed with a long projection center electrode and tapered seat type, these spark plugs offer precision and efficiency. Autolite’s trusted quality is backed by over 11 billion plugs sold, ensuring you get proven reliability in every product. Ideal for performance-grade applications, these spark plugs are crafted with platinum center and ground electrode tips for enhanced durability and superior ignition performance.
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ACDelco – ACDelco Iridium Spark Plug, 41-104 (Part No.41-104)

ACDelco Iridium Spark Plug, 41-104

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 XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5243 (Part No.XP5243)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5243

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, XP5263 (Part No.XP5263)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5263

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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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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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Reliability, 5245 (Part No.5245)

Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Reliability, 5245

from

$4.49
Autolite Copper spark plugs are designed to provide reliable performance and meet the demands of your vehicle with precision engineering. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes deliver extended life, while the high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation for added strength. With a nickel-plated shell, these spark plugs resist corrosion, offering long-lasting durability. Engineered for quick starts, they improve your vehicle’s reliability and performance, while optimizing fuel efficiency to help you save on costs. The long projection center electrode and tapered seat design ensure a secure fit and smooth operation. Experience smoother acceleration and a more responsive driving experience with Autolite Copper spark plugs, a dependable choice for maintaining excellent engine performance.
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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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NGK – NGK Standard Nickel Spark Plug (BKR6EKUB): Reliable OE Performance, 7969 (Part No.7969)

NGK Standard Nickel Spark Plug (BKR6EKUB): Reliable OE Performance, 7969

from

$13.99
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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ACDelco – ACDelco Iridium Spark Plug, 41-118 (Part No.41-118)

ACDelco Iridium Spark Plug, 41-118

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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NGK – NGK Laser Iridium Spark Plug (ILTR6E11): Fine Wire Tip for High Efficiency, 90117 (Part No.90117)

NGK Laser Iridium Spark Plug (ILTR6E11): Fine Wire Tip for High Efficiency, 90117

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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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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Most Popular Spark Plug Tube Seals for 2008 Cadillac CTSs

Enhance your 2008 Cadillac CTS with one of the 2 Spark Plug Tube Seals we have in stock, starting at just $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.
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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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Best-Selling 2008 Cadillac CTS Spark Plugs

Upgrade your CTS with one of our 19 best-selling Spark Plugs, earning an average 4.65 stars rating across 704 reviews.

DENSO – DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITV16, 5338 (Part No.5338)

DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITV16, 5338

from

$14.49
The Iridium Power Spark Plug, featuring the world’s smallest 0.4mm Iridium Center Electrode, delivers unmatched spark energy for maximum combustion efficiency. Engineered with a patented 360-degree laser welding assembly process, it ensures durability and precision under extreme conditions. The U-groove and taper-cut ground electrode design optimizes flame propagation, enhancing horsepower, fuel efficiency, and overall engine performance. With the ability to withstand temperatures exceeding 4000 Deg F and burnished nickel plating for superior corrosion resistance, this spark plug is built for longevity. Requiring 5,000 volts less to fire compared to conventional plugs, it guarantees reliable starts, fewer misfires under heavy loads, and consistent performance even in demanding environments. Designed with a tapered seat type for a secure fit, it is compatible with a wide range of vehicles, including classic and collector cars. Experience the superior performance and efficiency of the DENSO Iridium Power Spark Plug, a perfect choice for those seeking enhanced engine power and reliability.
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NGK – NGK Laser Iridium Spark Plug (ILTR6E11): Fine Wire Tip for High Efficiency, 90117 (Part No.90117)

NGK Laser Iridium Spark Plug (ILTR6E11): Fine Wire Tip for High Efficiency, 90117

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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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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Autolite – Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP5263 (Part No.AP5263)

Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP5263

from

$5.49
Autolite Platinum spark plugs are crafted for superior performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, and enhanced acceleration while boosting fuel efficiency. The platinum firing tip resists gap erosion, extending service life, while the high alumina ceramic insulator offers excellent thermal conductivity and insulation for added strength. A multi-rib insulator prevents flash-over, ensuring reliable operation, and the nickel-plated shell resists corrosion for long-lasting durability. With a mid-projection standard center electrode design and a tapered seat type, these performance-grade spark plugs deliver consistent results. The combination of platinum and nickel materials in the electrode tips further enhances reliability, making them a dependable choice for maintaining engine efficiency and longevity.
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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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Autolite Iridium – Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5263 (Part No.XP5263)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5263

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 – Autolite Double Platinum Spark Plug: Enhanced Durability & Longer Service Life, APP5263 (Part No.APP5263)

Autolite Double Platinum Spark Plug: Enhanced Durability & Longer Service Life, APP5263

from

$7.49
Double Platinum Spark Plug: Enhanced Durability & Longer Service Life is engineered for peak performance and reliability. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring consistent ignition and extended service life. The yttrium-enhanced ground electrode offers superior heat transfer, making it highly durable under extreme temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for added safety. Designed with a mid-projection standard center electrode and tapered seat type, this spark plug is tailored for performance-grade applications. Both the center and ground electrode tips are crafted from platinum, delivering enhanced durability and efficiency. Ideal for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs, making it a valuable upgrade for those seeking reliability and longevity in their ignition system.
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Champion – Champion Platinum Power Spark Plug RE10PMC5 – Powerful Performance & Longevity, 3032 (Part No.3032)

Champion Platinum Power Spark Plug RE10PMC5 - Powerful Performance & Longevity, 3032

from

$5.99
Champion Platinum Power spark plugs deliver powerful performance with the exclusive Premium alloy that reaches and sustains the correct operating temperature. A fine-wire center electrode and V-trimmed ground electrode provides sharp spark focus and reliable ignition for consistent combustion under demanding conditions. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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ACDelco – ACDelco RAPIDFIRE Spark Plug, 17 (Part No.17)

ACDelco RAPIDFIRE Spark Plug, 17

from

$7.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.
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DENSO – DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, ITV16TT, 4718 (Part No.4718)

DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, ITV16TT, 4718

from

$15.49
Durability of an OE style plug combined with Power & Torque of high performance.
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ACDelco – ACDelco Iridium Spark Plug, 41-988 (Part No.41-988)

ACDelco Iridium Spark Plug, 41-988

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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NGK – NGK Iridium IX Spark Plug (LTR6IX-11): Extreme Ignitability & Durability, 6509 (Part No.6509)

NGK Iridium IX Spark Plug (LTR6IX-11): Extreme Ignitability & Durability, 6509

from

$17.99
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 Double Platinum Spark Plug, 41-990 (Part No.41-990)

ACDelco Double Platinum Spark Plug, 41-990

from

$11.49
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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Autolite Iridium – Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Optimum Performance, AI5263 (Part No.AI5263)

Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Optimum Performance, AI5263

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 Ruthenium HX Spark Plug (LTR6AHX): High Ignitability & Durability, 91276 (Part No.91276)

NGK Ruthenium HX Spark Plug (LTR6AHX): High Ignitability & Durability, 91276

from

$19.49
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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DENSO – DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PT16VR13, 5068 (Part No.5068)

DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PT16VR13, 5068

from

$11.99
Double Platinum Spark Plug PT16VR13 is engineered to meet the highest OE performance, durability, and emissions standards, ensuring optimal compatibility and efficiency for your vehicle. Featuring OE-grade platinum on both the center and ground electrodes, this spark plug delivers sustained spark performance for over 60,000 miles, reducing secondary required voltage and boosting ignition efficiency. Its premium shell construction with machine-rolled threads enhances durability, while superior thermal conductivity ensures reliable operation under demanding conditions. Designed with a tapered seat type, it provides a secure fit and improved combustion efficiency, making it a trusted choice for reducing shop comebacks and satisfying customers. Built for long-lasting performance, this double platinum spark plug is the ideal solution for maintaining your vehicle’s peak performance.
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NGK – NGK G-Power Spark Plug (LTR6GP): Enhanced Durability & Fuel Efficiency, 90198 (Part No.90198)

NGK G-Power Spark Plug (LTR6GP): Enhanced Durability & Fuel Efficiency, 90198

from

$8.99
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 Platinum Spark Plug (PLTR6A-10G): Enhanced Ignitability & Longevity, 3587 (Part No.3587)

NGK Laser Platinum Spark Plug (PLTR6A-10G): Enhanced Ignitability & Longevity, 3587

from

$13.99
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 Iridium Spark Plug RES9WYPB4 – Maximum Performance & Longevity, 9901 (Part No.9901)

Champion Iridium Spark Plug RES9WYPB4 - Maximum Performance & Longevity, 9901

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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Top-Quality Spark Plug Tubes for 2008 Cadillac CTSs

Choose a high-quality OEM or aftermarket Spark Plug Tube for Cadillac CTSs and enjoy top-notch performance from $11.99.

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

Melling Stock Replacement Spark Plug Tube, MSPT-4

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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Top-Rated Spark Plug Brands For Your 2008 Cadillac CTS

When it comes to finding the perfect Spark Plug for your 2008 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 Champion, Autolite, and DENSO, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $5.49. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 2008 Cadillac CTS, providing peace of mind with parts that meet or exceed OEM standards.

Popular Champion 2008 Cadillac CTS Spark Plugs

If you’re looking for a top-quality Spark Plug for your 2008 Cadillac CTS, Advance Auto Parts has exactly what you need with our selection of Champion Spark Plugs. We have 2 Champion Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $5.99 and an average cost of $7.44, you’ll find the perfect Spark Plug for your needs and budget. Champion Spark Plugs for the 2008 Cadillac CTS come highly rated, with over 50 customer reviews and an impressive average rating of 4.8 stars. Choosing a Champion Spark Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Champion Double Platinum Power Spark Plug RES11PYPB5 - Enhanced Durability & Performance, 7437
from $8.89
(1)
Champion Double Platinum Power Spark Plug RES11PYPB5 – Enhanced Durability & Performance, 7437
“Gas mileage started to decrease so, I installed a new set of Spark Plugs and an Air Filter. Runs great with improved gas mileage for under $30.”
Champion Platinum Power Spark Plug RE10PMC5 - Powerful Performance & Longevity, 3032
from $5.99
(49)
Champion Platinum Power Spark Plug RE10PMC5 – Powerful Performance & Longevity, 3032
“Great price and excellent service per usual! A+”

Top-Quality Autolite 2008 Cadillac CTS Spark Plugs

For those in search of a high-quality Spark Plug for their 2008 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 $5.49, with an average price of $8.16, giving you a range of options to suit your budget. Backed by over 417 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 Platinum Spark Plug: Enhanced Durability & Improved Performance, AP5263
from $5.49
(182)
Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP5263
“These plugs works great in my cadillac.”

FAQs for 2008 Cadillac CTS Spark Plugs

What are the best-selling Spark Plugs for 2008 Cadillac CTSs?

Out of 22 Spark Plugs that fit 2008 Cadillac CTSs, the following parts are the top sellers:

What’s the price range for 2008 Cadillac CTS Spark Plugs?

The prices of Spark Plugs for the 2008 Cadillac CTS range from $5.49 up to $55.99 for the most premium parts.

What is the average price of a Spark Plug for a 2008 Cadillac CTS?

The average price for Spark Plugs for the 2008 Cadillac CTS is $15.87. 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 2019. The following model years are the most popular for Spark Plug purchases: 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, and 2011.

Does Advance Auto Parts sell Spark Plugs for any other 2008 Cadillac models?

Yes. We stock Spark Plugs for 6 other popular 2008 Cadillac models. Some of the most popular are 2008 Escalade Spark Plugs, 2008 Escalade ESV Spark Plugs, 2008 Escalade EXT Spark Plugs, 2008 DTS Spark Plugs, and 2008 SRX Spark Plugs.

What are the top-rated Spark Plugs that fit the 2008 Cadillac CTS?

Based on 1,410 reviews by customers, our 2008 Cadillac CTS Spark Plugs have an average customer rating of 4.4 stars. These are the highest-rated categories of Spark Plugs for the 2008 Cadillac CTS and their top-rated products:

What types of Spark Plugs do you sell for my 2008 Cadillac CTS?

As of 8/2/26, these are some of the most in-demand types of Spark Plugs for a 2008 Cadillac CTS:

Can I get help with 2008 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.