Cadillac XTS Spark Plugs

Your One-Stop Shop For Trusted Cadillac XTS Spark Plugs

If you’re in search of Cadillac XTS Spark Plugs aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 31 Spark Plugs from top brands with prices ranging from $5.49 to $55.99.

Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your Cadillac XTS.

And don’t forget to read customer reviews across all Spark Plugs categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Spark Plugs have to cost top dollar, and we prove it. Browse our top Cadillac XTS Spark Plugs below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential Cadillac XTS 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.
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

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

DENSO – DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, ITV20TT, 4719 (Part No.4719)

DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, ITV20TT, 4719

from

$14.99
Durability of an OE style plug combined with Power & Torque of high performance.
See More

DENSO – DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITV20, 5339 (Part No.5339)

DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITV20, 5339

from

$15.49
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).
See More

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.
See More

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.
See More

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.
See More

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.
See More

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.
See More

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.
See More

ACDelco – ACDelco Double Platinum Spark Plug, 41-814 (Part No.41-814)

ACDelco Double Platinum Spark Plug, 41-814

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.
See More

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.
See More

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.
See More

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.
See More

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.
See More

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.
See More

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.
See More

Bosch – Bosch OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity, 9616 (Part No.9616)

Bosch OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity, 9616

from

$39.99
BOSCH OE Fine Wire Double Iridium. All iridium plugs are NOT created equal. Give your customers the only one engineered for both high performance and long life. The ultra fine wire design and laser welded, tapered ground electrode deliver the ultimate in ignitability and high performance. The iridium-alloy center electrode firing pin and laser welded ground electrode with iridium alloy inlay help it to go the distance.
See More

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.
See More

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.
See More

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.
See More

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.
See More

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.
See More

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.
See More

Spark Plugs Brands You Can Trust For Your Cadillac XTS

10 trusted brands of Spark Plugs line our shelves, ready to help keep your Cadillac XTS running smooth. Below are some of the most popular brands and their top Spark Plugs offerings:

Top Cadillac XTS Spark Plugs from Autolite

Your Cadillac XTS will be purring again thanks to Autolite brand Spark Plugs available for online order or in-store pick up. Popular Autolite parts include:

Most Purchased Cadillac XTS Spark Plugs from E3

When you buy the most frequently purchased E3 brand Spark Plugs, you can be confident it will be the right part for your Cadillac XTS. Here are the E3 Spark Plugs Advanced Auto customers buy the most:
ACDelco Iridium Spark Plug, 41-109
from $13.49
(81)
ACDelco Iridium Spark Plug, 41-109
Spark Plugs

FAQs for Cadillac XTS Spark Plugs

What are the most purchased Spark Plugs for the Cadillac XTS?

Out of 31 Spark Plugs for the Cadillac XTS, the most popular in our inventory are:
ACDelco Iridium Spark Plug, 41-109
from $13.49
(81)
ACDelco Iridium Spark Plug, 41-109
Spark Plugs
ACDelco Iridium Spark Plug, 41-988
from $13.49
This product is not rated
ACDelco Iridium Spark Plug, 41-988
Spark Plugs

What are the top-rated Cadillac XTS Spark Plugs?

Top-rated Spark Plugs for your Cadillac XTS based on customer reviews/ratings are:
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+”
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”