2004 GMC Sierra 1500 Spark Plugs

Essential 2004 GMC Sierra 1500 Spark Plugs

GM Genuine Parts – Spark Plug Wire Heat Shield (Part No.8006)

Spark Plug Wire Heat Shield

from

$8.49
ACDelco GM Original Equipment Spark Plug Heat Shields help protect the spark plug insulator and plug wire boot from the heat of the exhaust manifold, and are GM-recommended replacements for your vehicle’s original components. These original equipment heat shields have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Helps protect spark plug boot from cracking and deteriorating from heat
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

ACDelco – Specific FitSpark Plug Wire (Part No.349V)

Specific FitSpark Plug Wire

from

$19.99
ACDelco GM Original Equipment Spark Plug Wires consist of a single wire, encased in an insulating material, connectors, and insulating boots, and are GM-recommended replacements for your vehicle’s original components. The wires transfer high voltage pulses between the voltage source, the distributor, and the spark plug. These original equipment wires have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Durable to help transfer high voltage pulses without damage
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

ACDelco – Spark Plug Wire (Part No.350R)

Spark Plug Wire

from

$24.99
ACDelco GM Original Equipment Spark Plug Wires consist of a single wire, encased in an insulating material, connectors, and insulating boots, and are GM-recommended replacements for your vehicle’s original components. The wires transfer high voltage pulses between the voltage source, the distributor, and the spark plug. These original equipment wires have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Durable to help transfer high voltage pulses without damage
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

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

Spark Plug Wire

from

$17.99
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).

Product Features:
  • Durable to help transfer high voltage pulses without damage
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine 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
See More

ACDelco – Original Equipment Ignition Wire (Part No.F1030575906ACD)

Original Equipment Ignition Wire

from

$30.10
Built to match the original equipment in length and fit, ACDelco OES Ignition Wires offer a performance advantage over many aftermarket products.

Product Features:
  • ACDelco ignition wires are designed to be like Original in critical areas such as cable length and diameter, terminal design and insulator position
  • Have broad coverage available for most vehicles on the road today from 1980 to present
  • Provide a high degree of Radio Frequency Interference (RFI) suppression
  • Are designed to offer fit, form and function for optimum performance
  • Kevlar reinforced fiberglass core in select sets for increased strength
  • Core sheathed in radio-static absorbent material for increased RFI suppression
  • Wire-wound, stainless steel alloy conductor for maximum spark delivery and RFI suppression on most applications
  • A layer of conductive heat-resistant latex for added durability
  • Insulating rubber-based compound inner jacket helps minimize voltage drop and enhance durability
  • Thick silicone outer jacket for excellent heat resistance
  • Limited lifetime warranty*
See More

ACDelco – Spark Plug Wire Set (Part No.356F)

Spark Plug Wire Set

from

$28.99
ACDelco GM Original Equipment Spark Plug Wires consist of a single wire, encased in an insulating material, connectors, and insulating boots, and are GM-recommended replacements for your vehicle’s original components. The wires transfer high voltage pulses between the voltage source, the distributor, and the spark plug. These original equipment wires have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Durable to help transfer high voltage pulses without damage
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP5245)

Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration

from

$4.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
See More

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.
See More

Autolite Iridium – Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability (Part No.AI5245)

Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability

from

$10.99
Autolite Iridium Ultra Laser Finewire 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.

Product Features:
  • Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
  • A laser-welded 0.5mm pure iridium finewire center electrode provides optimal fuel efficiency, acceleration and focused ignitability.
  • Nickel-plated shell to resist corrosion.
  • High-alumina ceramic insulator for increased strength.
  • Laser welded 0.5mm Iridium finewire center electrode.
  • Proprietary platinum sidewire technology.
  • Superior Durability: Autolite Iridium Ultra Laser Finewire Spark Plugs are designed for long-lasting performance, ensuring your vehicle runs smoothly over extended periods.
  • OE Fit and Function: Autolite Spark Plugs offer an original equipment (OE) fit, form, and function, making them a reliable alternative for all foreign and domestic makes and models.
  • Technologically Advanced: As one of Autolite’s most advanced products, these spark plugs incorporate cutting-edge technology for superior performance.
  • Value Pricing: Despite their advanced features and high quality, Autolite Iridium Ultra Laser Finewire Spark Plugs are available at a value price, making them an economical choice for vehicle maintenance.
See More

Motorcraft – Spark Plug (Part No.SP-486-X)

Spark Plug

from

$7.29
The Motorcraft Spark Plug is a high-quality replacement spark plug designed to provide reliable performance and long-lasting durability for your vehicle. It features a nickel alloy electrode that provides superior wear resistance and a platinum tip that ensures consistent performance over the life of the plug. The Motorcraft Spark Plug also has a ribbed insulator design that helps prevent misfires and a copper core that provides efficient heat transfer. It is designed to meet or exceed OEM specifications and is compatible with a wide range of vehicles. Whether you’re looking to replace worn-out spark plugs or upgrade to a higher-quality option, the Motorcraft Spark Plug is an excellent choice that will help keep your engine running smoothly and efficiently.
See More

ACDelco – Double Platinum Spark Plug: Original Equipment Replacement (Part No.41-979)

Double Platinum Spark Plug: Original Equipment Replacement

from

$9.79
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.

Product Features:
  • One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
  • Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
  • 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
  • Copper Core: Designed with a copper core to provide excellent heat transfer and electrical conductivity.
  • Conical Seat Type: Equipped with a conical seat type for a secure fit and optimal performance.
  • Built-in Resistor: Includes a built-in resistor to reduce radio frequency interference and ensure reliable operation.
See More

DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITL16 (Part No.5349)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITL16

from

$11.49
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000░ Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
  • Superior Performance: This spark plug requires 5,000 volts less to fire compared to conventional spark plugs, providing maximum performance even under extreme conditions.
  • Enhanced Horsepower and Efficiency: Enjoy more horsepower, faster and easier starts, fewer misfires under heavy loads, and better fuel efficiency with the DENSO Iridium Power spark plug.
  • Patented Iridium Technology: The patented technology of the Iridium Power plug ensures it outperforms any other spark plug available today.
  • Tapered Seat Type: Designed with a tapered seat type for optimal fit and performance in your engine.
See More

NGK – G-Power Spark Plug: Single Platinum Tip Design, LTR5GP (Part No.5019)

G-Power Spark Plug: Single Platinum Tip Design, LTR5GP

from

$8.29
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
  • Enhanced Vehicle Performance: Experience faster starts and quicker acceleration compared to conventional nickel spark plugs, making it an excellent upgrade for vehicles originally using nickel alloy spark plugs.
  • Economical Upgrade: NGK G-Power Platinum spark plugs provide a cost-effective solution for upgrading your vehicle’s spark plugs without compromising on quality.
  • Compatibility and Versatility: Ideal for a wide range of vehicles, these spark plugs are a perfect fit for those looking to replace their nickel alloy spark plugs with a more durable and efficient option.
See More

Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP605)

Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration

from

$4.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
See More

ACDelco – Iridium Spark Plug (Part No.41-114)

Iridium Spark Plug

from

$11.99
ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are our latest in spark plug technology and an exact replacement for your vehicle’s original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Iridium is the latest in spark plug technology and is an exact replacement for vehicles’ original components
  • Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability
  • Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance
  • Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics
  • Iridium plugs are laser-welded which provides precision welds, reduces excess debris and wear rate, thus increasing durability
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP6043)

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 for a longer-lasting spark plug.
  • Engineered in the USA: Designed with over 100 years of Autolite’s engineering experience for superior quality and performance.
  • Proven Track Record: Autolite has sold over 11 billion spark plugs, showcasing a legacy of reliability and trust.
See More

Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.605)

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

from

$3.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology. Designed and engineered in the USA, these spark plugs feature a copper cored center electrode for higher thermal conductivity, ensuring quick starts and smooth acceleration. The specially engineered high nickel alloy center and ground electrode provide extended life, while the high alumina ceramic offers high dielectric strength. Additionally, the leak-proof, heat-fused internal seal enhances durability, and the multi-rib insulator prevents flash-over. The tapered seat type ensures a perfect fit, making these spark plugs a reliable choice for your vehicle.

Product Features:
  • Copper cored center electrode for higher thermal conductivity
  • Specially engineered high nickel alloy center and ground electrode for extended life
  • High alumina ceramic for high dielectric strength
  • Leak proof, heat fused internal seal for durability
  • Multi-rib insulator prevents flash-over
  • Perfect Fit: The tapered seat type ensures a perfect fit, making installation easy and reliable for your vehicle.
See More

ACDelco – Iridium Spark Plug: Original Equipment Replacement (Part No.41-101)

Iridium Spark Plug: Original Equipment Replacement

from

$11.99
ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are our latest in spark plug technology and an exact replacement for your vehicle’s original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Iridium is the latest in spark plug technology and is an exact replacement for vehicles’ original components
  • Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability
  • Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance
  • Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics
  • Iridium plugs are laser-welded which provides precision welds, reduces excess debris and wear rate, thus increasing durability
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

NGK – Iridium IX Spark Plug (Part No.F100089174NGK)

Iridium IX Spark Plug

from

$14.24
The NGK Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling properties. The Iridium alloy has extremely high melting point, ensuring high durability and a consistently stable spark that is perfect for today’s high-tech, high-performance engines. NGK’s IX Iridium Series Plugs were Designed Specifically for the Performance Enthusiast Designed specifically for the performance enthusiast.

Product Features:
  • Fine Wire Center Electrode Ensures High Durability and a Consistently Stable Spark
  • Iridium Alloy has an Extremely High Melting Point, Perfect for Today’s High-Tech, High Performance Engines
  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal
  • Triple Seals Prevent Leakage
See More

Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS12YC (Part No.401)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS12YC

from

$2.99
Dependable Performance, OE Replacement, RS12YC. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. The Copper Plus design ensures dependable performance and durability, while the copper core center electrode allows for accurate control of heat range, extending the spark plug’s life. Built to ISO and SAE standards, it offers superior corrosion resistance and proven performance. The nickel center electrode tip and tapered seat type further enhance its reliability, making it an excellent choice for maintaining your engine’s efficiency.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Built to ISO and SAE standards for proven performance
  • Enhanced Conductivity and Heat Control: The Champion Copper Plus Spark Plug features a copper core electrode that provides increased conductivity and heat control, ensuring good overall wear and extending the spark plug’s life.
  • Reliable Nickel Center Electrode Tip: Featuring a nickel center electrode tip and a tapered seat type, this spark plug enhances reliability and ensures optimal engine performance.
See More

ACDelco – Iridium Spark Plug: Original Equipment Replacement (Part No.41-993)

Iridium Spark Plug: Original Equipment Replacement

from

$11.99
ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are our latest in spark plug technology and an exact replacement for your vehicle’s original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Iridium is the latest in spark plug technology and is an exact replacement for vehicles’ original components
  • Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability
  • Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance
  • Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics
  • Iridium plugs are laser-welded which provides precision welds, reduces excess debris and wear rate, thus increasing durability
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Resistor Type: These spark plugs include a resistor, which helps in reducing electromagnetic interference.
  • Gasket Seat Type: Designed with a gasket seat type for a secure and reliable fit in your vehicle’s engine.
See More

ACDelco – Professional RapidFire Performance Platinum Spark Plug (Part No.F1000575798ACD)

Professional RapidFire Performance Platinum Spark Plug

from

$9.57
Designed for today’s most popular autos, ACDelco’s RapidFire Platinum Spark Plugs fit engines using conventional plugs, as well as newer vehicles requiring platinum performance.

Product Features:
  • Ribless insulator that improves the plug-to-boot seal.
  • Tapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage.
  • Solid state suppressor with two-piece glass and brass seal helps reduce radio frequency interference, meters spark plug energy to help provide long electrode life and seals against compression leakage. When compared to conventional spark plugs:
  • Reduced sparking voltage.
  • Greater corrosion protection.
  • Longer life and improved efficiency.
See More

Motorcraft – SPARK PLUG (Part No.SP-446-AX)

SPARK PLUG

from

$4.79
SPARK PLUG

DENSO – Iridium Power Spark Plug (Part No.F1000131221ND)

Iridium Power Spark Plug

from

$12.52
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.
See More

ACDelco – Rapidfire Spark Plug (Part No.6)

Rapidfire Spark Plug

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.

Product Features:
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Ribless insulator helps optimize plug to boot seal
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
See More

NGK – SPARK PLUG (Part No.94956)

SPARK PLUG

from

$15.99
SPARK PLUG

DENSO – PT16TT Platinum TT Spark Plug (Part No.4511)

PT16TT Platinum TT Spark Plug

from

$5.99
Twin-Tip design enables faster flame propagation for more complete combustion.
See More

DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, ZTJ16VR10 (Part No.3539)

Iridium Long-Life Spark Plug:  OE Performance, last 100K+ Miles, ZTJ16VR10

from

$9.99
Manufactured to the strictest OE performance, durability and emissions standards.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90% Ir) and fine wire center electrode
  • Platinum ground electrode for extended life
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Sustained spark performance over 100,000 miles
  • Lasts up to three times as long as conventional plugs
  • Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
  • Iridium Long Life
See More

2004 GMC Sierra 1500 Spark Plugs

Maybe you’re in the middle of a full rebuild of that 2004 GMC Sierra 1500. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 64 different Spark Plugs in our inventory ranging from $2.99 to $30.10. That means you can find the exact parts or products you need to keep that 2004 GMC Sierra 1500 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 2004 GMC Sierra 1500. 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 2004 GMC Sierra 1500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 27,906 reviews in this category, some of the top rated parts include Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration with 4.7 stars and Iridium IX Spark Plug: Single Iridium Fine Wire, TR55IX with 4.8 stars.

So if you’re in the market for aftermarket Spark Plugs to keep your 2004 GMC Sierra 1500 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 2004 GMC Sierra 1500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2004 GMC Sierra 1500 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 Sierra 1500 the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.

FAQs for 2004 GMC Sierra 1500 Spark Plugs

What are the most purchased Spark Plugs for the 2004 GMC Sierra 1500?

Out of 64 Spark Plugs for the 2004 GMC Sierra 1500, the most popular in our inventory are:

What are the top-rated 2004 GMC Sierra 1500 Spark Plugs?

Top-rated Spark Plugs for your 2004 GMC Sierra 1500 based on customer reviews/ratings are:
Iridium IX Spark Plug: Single Iridium Fine Wire, TR55IX
from $11.99
(103)
Iridium IX Spark Plug: Single Iridium Fine Wire, TR55IX
“2000 GT Mustang had bad misfire These plugs made the car run like new again.OE plugs just would not last.”
DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
from $7.29
(98)
DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
“These are awesome. They are in my 02 sierra 4.8l. And i have 4mpg better than before.”