1999 Cadillac Escalade Spark Plugs

Essential 1999 Cadillac Escalade Spark Plugs

Bosch – OE Finewire Double Iridium Spark Plug (Part No.F1000404881BOS)

OE Finewire Double Iridium Spark Plug

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$13.64
4X longer service life compared to standard copper plugs Bosch OE Finewire Iridium is engineered to deliver both High performance and long life. The Bosch Iridium Plug provides original equipment design, materials and processes represent the best of OE technology. The ultra fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and platinum ground electrode help it to go the distance. Center Electrode Core Material: Nickel-Yttrium and Copper and Iridium – Center Electrode Tip Material: Iridium – Ground Electrode Tip Material: Nickel-Yttrium and Iridium

Product Features:
  • OE design for optimum fit and function
  • Center electrode is an ultra fine wire design.
  • Provides broader heat range to resist pre-ignition and fouling
  • Delivers exceptional ignitability and performance
  • Tapered shape ground electrode
  • Laser welded iridium-platinum alloy inlay
  • Nickel-plated shell with rolled threads
  • Anti-seize and corrosion protection
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NGK – Ruthenium HX High Ignitability Spark Plug: DFE Tip Design, LTR5AHX (Part No.90220)

Ruthenium HX High Ignitability Spark Plug: DFE Tip Design, LTR5AHX

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$14.99
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.

Product Features:
  • HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
  • RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
  • PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
  • Specialized OEM Tip Designs: Features patented DFE and PSPE tip designs for superior ignitability.
  • Industry-Leading Durability: Ruthenium center electrode ensures exceptional durability and longevity.
  • Advanced OE Technology: Created from advanced Original Equipment technology for modern vehicles.
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NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, TR5 (Part No.2238)

OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, TR5

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$4.49
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.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
  • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
  • NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • Enhanced Ignitability: The V-cut nickel alloy center electrode and concave ground electrode design of NGK V-Power spark plugs provide quicker starts and smoother idle.
  • OE Application Specific: Engineered specifically for Original Equipment (OE) applications, ensuring compatibility and reliable performance.
  • V-Groove Tip Design: The unique V-groove tip design of the center electrode enhances ignitability and overall engine performance.
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Bosch – OE Finewire Double Iridium Spark Plug (Part No.F1000404880BOS)

OE Finewire Double Iridium Spark Plug

from

$12.90
4X longer service life compared to standard copper plugs Bosch OE Finewire Iridium is engineered to deliver both High performance and long life. The Bosch Iridium Plug provides original equipment design, materials and processes represent the best of OE technology. The ultra fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and platinum ground electrode help it to go the distance. Center Electrode Core Material: Nickel-Yttrium and Copper and Iridium – Center Electrode Tip Material: Iridium – Ground Electrode Tip Material: Nickel-Yttrium and Iridium

Product Features:
  • OE design for optimum fit and function
  • Center electrode is an ultra fine wire design.
  • Provides broader heat range to resist pre-ignition and fouling
  • Delivers exceptional ignitability and performance
  • Tapered shape ground electrode
  • Laser welded iridium-platinum alloy inlay
  • Nickel-plated shell with rolled threads
  • Anti-seize and corrosion protection
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NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, TR5IX (Part No.7397)

Iridium IX Spark Plug: Single Iridium Fine Wire, TR5IX

from

$11.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Product Features:
  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
  • Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver exceptional acceleration and improved fuel efficiency, making them ideal for performance enthusiasts.
  • Extreme Ignitability and Anti-Fouling: These spark plugs offer extreme ignitability and exceptional resistance to fouling, ensuring reliable performance in various driving conditions.
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NGK – G-Power Spark Plug: Single Platinum Tip Design, TR5GP (Part No.3186)

G-Power Spark Plug: Single Platinum Tip Design, TR5GP

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$6.29
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.

Product Features:
  • SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
  • PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
  • TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
  • Tapered Seat Type: The tapered seat type ensures a secure fit and optimal performance in compatible vehicles.
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ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.R44LTS6)

Copper Core Spark Plug: Original Equipment Replacement

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$4.99
ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
  • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
  • Available for use in Marine applications
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • High-Quality Copper Core: Designed with high-quality copper cores for reliable and efficient performance.
  • Nickel Center Electrode Tip: Features a nickel center electrode tip for enhanced durability and performance.
  • Outstanding Suppression Characteristics: Delivers reliable performance with excellent suppression characteristics.
  • OE Replacement: True Original Equipment parts installed during GM vehicle production, ensuring perfect fit, form, and function.
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Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5245)

Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition

from

$9.99
Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

Product Features:
  • 0.6 mm finewire design improves ignitability
  • Patented V-trimmed platinum sidewire technology resists wear
  • OE equivalent design is engineered for every engine
  • Designed for better overall durability with virtually no gap erosion
  • Double Iridium-Enhanced Alloy Technology Center Electrode: Offers improved durability and wear resistance.
  • Designed and Engineered in the USA: Reflects over 100 years of Autolite’s engineering experience.
  • Tapered Seat Type: Ensures a secure fit and optimal performance.
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ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.R44LTSM)

Copper Core Spark Plug: Original Equipment Replacement

from

$4.99
ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • High-Quality Copper Core: Designed with high-quality copper cores for reliable performance and efficient operation.
  • Nickel Center Electrode Tip: Features a nickel center electrode tip for enhanced durability and consistent performance.
  • Outstanding Suppression Characteristics: Engineered to deliver outstanding suppression characteristics, ensuring smooth engine operation.
  • OE Fit, Form, and Function: Manufactured to meet original equipment specifications for fit, form, and function, ensuring a perfect replacement for GM vehicles.
  • Versatile Applications: Providing a high-quality replacement for a wide range of vehicles.
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT16 (Part No.5325)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT16

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$11.79
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000° Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
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Motorcraft – SPARK PLUG (Part No.SP-446-AX)

SPARK PLUG

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$4.79
SPARK PLUG

DENSO – Iridium Power Spark Plug (Part No.F1000177171ND)

Iridium Power Spark Plug

from

$12.74
DENSO Iridium Power spark plugs represent a performance breakthrough. The laser-welded center electrode is only 0.4mm in diameter – the slimmest iridium electrode in the industry. The taper-cut side electrode complements the design, delivering reliable spark energy under the most gruelling pressures and temperatures. DENSO engineers used the power of this miraculous metal to produce an iridium center electrode that is only 0.4mm in diameter. With its superior thermal qualities, this whisker-fine electrode is capable of taking the most extreme heat and punishment. This breakthrough was matched to one of DENSO’s most famous innovations, the patented U-Groove ground electrode. The combination of these two features resulted in the Iridium Power® plug, one of the most advanced and innovative spark plugs on the market.

Product Features:
  • Tapered cut, U-Groove ground electrode
  • 0.4mm iridium center electrode
  • 360-degree laser welding assembly process
  • Required ignition voltage reduced
  • Unsurpassed center electrode durability
  • Available for many performance and power sports applications, including Corvette, Viper, and Harley-Davidson The Iridium Power plug delivers greater spark energy while demanding significantly less secondary required voltage from the ignition system.
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DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IT16TT (Part No.4713)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IT16TT

from

$10.99
Durability of an OE style plug combined with Power & Torque of high performance.

Product Features:
  • 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
  • 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
  • DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Durability of an OE style plug combined with Power & Torque of high performance.
  • Withstands temperatures greater than 4000┬░ Fahrenheit
  • Iridium TT
  • Advanced Twin-Tip Technology: Combines a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode for superior ignition and efficiency.
  • Enhanced Fuel Economy and Lower Emissions: Designed to provide better fuel economy and reduced emissions, allowing you to drive around the Earth over 4 times.
  • Original Equipment Specification: Developed from the Super Ignition Plug (SIP) design, ensuring reliable and consistent performance.
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DENSO – U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, T16EPR-U15 (Part No.5023)

U-Groove Spark Plug:  OE Performance, lasts 30K+ Miles, T16EPR-U15

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$2.99
OE Performance, lasts 30K+ Miles, T16EPR-U15. The unique U-Groove ground electrode is one of the finest features of DENSO spark plugs, designed to fire leaner mixtures than conventional plugs for improved ignitability. Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads, ensuring a secure fit. With a wide range of part numbers, these spark plugs cater to thousands of applications, including classic and collector cars. Built to last twice as long as most conventional plugs, each unit is 100% pre-fired to assure reliable operation. The center electrode tip is made of durable nickel, and the seat type is tapered, making it a reliable choice for enhanced efficiency in emission gas purification and fuel consumption.

Product Features:
  • Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
  • Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Lasts twice as long as most conventional plugs
  • 100% pre-fired to assure reliable operation
  • U-Groove Conventional
  • Durable Nickel Center Electrode Tip: Provides long-lasting performance and improved efficiency in emission gas purification and fuel consumption.
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MSD Ignition – Wire Set; Super Conductor; 8-cyl. Multi-Angle Plug; Socket/HEI (Part No.31199)

Wire Set; Super Conductor; 8-cyl. Multi-Angle Plug; Socket/HEI

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$129.99
Set includes terminals for engines with early type (socket) and late type (HEI spark plug top) distributor caps. 90 degree boots and terminals factory installed on one end.

Product Features:
  • Extra Long 8.5mm Wires So You Can Cut To Your Designed Length
  • Incl. both socket-style and spark plug-style boots and terminals
  • Includes Mini-Stripper-Crimper For Factory Style Crimps
  • Size Includes: [2]48/50/56 in./[3] 32 in. Wires/Boots/Terminals
  • Durable outer sleeve is a proprietary compound for resistance to high heat or abrasion
  • Stainless steel terminals feature dual crimp tabs to grip wire conductor and outer jacket separately
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1999 Cadillac Escalade Spark Plugs

Maybe you’re in the middle of a full rebuild of that 1999 Cadillac Escalade. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 29 different Spark Plugs in our inventory ranging from $2.99 to $129.99. That means you can find the exact parts or products you need to keep that 1999 Cadillac Escalade running smoothly.

Spark Plugs are only as good as their brand. We stock 9 different brands to make sure you have plenty of trusted parts to choose from for your 1999 Cadillac Escalade. NGK, ACDelco, and Autolite are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Spark Plugs for your 1999 Cadillac Escalade, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,411 reviews in this category, some of the top rated parts include Double Platinum Spark Plug: Enhances Durability & Reduces Misfires with 4.8 stars and PT16TT Platinum TT Spark Plug with 4.6 stars.

So if you’re in the market for aftermarket Spark Plugs to keep your 1999 Cadillac Escalade rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Spark Plugs Brands To Make Your 1999 Cadillac Escalade Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1999 Cadillac Escalade demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your Escalade the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.

Popular MSD Ignition Spark Plugs

We carry MSD Ignition parts in our stock across Spark Plug Wire Set Cut To Fits categories, plus more. For a 1999 Cadillac Escalade, our most popular MSD Ignition Spark Plugs include:
Wire Set; Super Conductor; 8-cyl. Multi-Angle Plug; Socket/HEI
from $129.99
(2)
Wire Set; Super Conductor; 8-cyl. Multi-Angle Plug; Socket/HEI
Spark Plug Wire Set Cut To Fits

FAQs for 1999 Cadillac Escalade Spark Plugs

What are the most purchased Spark Plugs for the 1999 Cadillac Escalade?

Out of 29 Spark Plugs for the 1999 Cadillac Escalade, the most popular in our inventory are:
Iridium Spark Plug: Original Equipment Replacement
from $11.99
This product is not rated
Iridium Spark Plug: Original Equipment Replacement
Spark Plugs

What are the top-rated 1999 Cadillac Escalade Spark Plugs?

Top-rated Spark Plugs for your 1999 Cadillac Escalade based on customer reviews/ratings are:
Double Platinum Spark Plug: Enhances Durability & Reduces Misfires
from $7.29
(195)
Double Platinum Spark Plug: Enhances Durability & Reduces Misfires
“2004 Mustang overhaul”
PT16TT Platinum TT Spark Plug
from $5.99
(90)
PT16TT Platinum TT Spark Plug
“On line”