2004 Chevrolet Silverado 2500 HD Spark Plugs
More 2004 Chevrolet Silverado 2500 HD Spark Plugs
Find your specific 2004 Chevrolet Silverado 2500 HD original or aftermarket Spark Plugs below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 2004 Chevrolet Silverado 2500 HD Spark Plugs
NGK – G-Power Spark Plug: Single Platinum Tip Design, TR5GP (Part No.3186)
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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.
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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.
ACDelco – Iridium Spark Plug: Original Equipment Replacement (Part No.41-162)
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$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.
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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: Equipped with a resistor to help reduce radio frequency interference, ensuring smooth engine performance.
- Tapered Seat Type: Features a tapered seat type for a secure fit and reliable performance in your vehicle.
NGK – G-Power Spark Plug: Single Platinum Tip Design, TR55GP (Part No.3403)
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$5.99
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.
Product Features:
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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
- Improved Fuel Efficiency: Designed to offer better fuel efficiency, the NGK G-Power Platinum spark plugs help you save on fuel costs.
- Lower Emissions: These spark plugs contribute to lower emissions, making them an environmentally friendly choice.
- Faster Starts and Quicker Acceleration: Experience faster starts and quicker acceleration with the advanced design of the NGK G-Power Platinum spark plugs.
DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT16 (Part No.5325)
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$11.79
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).
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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
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP6043)
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$6.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite delivers exceptional quality. Designed and engineered in the USA, these spark plugs feature platinum-to-platinum firing, virtually eliminating gap erosion and reducing misfires. The OE design and full-platinum tips on both the center and side electrodes optimize engine performance for a longer life and improved fuel economy. The platinum ball welding process ensures a consistent point of contact for enhanced adhesion, making these spark plugs a reliable choice for superior durability.
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Product Features:
- Works to optimize engine performance for a longer life and improved fuel economy
- OE design
- Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
- Platinum ball welding process provides a consistent point of contact for enhanced adhesion
- Engineered in the USA: Designed and engineered in the USA, leveraging over 100 years of Autolite’s engineering expertise and quality assurance.
- Proven Quality: With over 11 billion spark plugs sold, Autolite delivers exceptional quality and reliability, making it a trusted choice for automotive enthusiasts and professionals.
DENSO – Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PTJ16R15 (Part No.5077)
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$9.49
Manufactured to the strictest OE performance, durability and emissions standards.
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Product Features:
- OE grade platinum on both center and ground electrods
- Premium shell construction with machine-rolled threads
- Superior thermal conductivity
- Sustained spark performance over 60,000 miles
- Reduced secondary required voltage, increased ignition efficiency
- Satisfied customers, reduced shop comebacks
- Double Platinum
NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, TR55 (Part No.3951)
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$4.99
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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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 TR55 model enhances ignitability and overall engine performance.
- Lower Emissions: The NGK Laser Platinum Spark Plug contributes to lower emissions, supporting a cleaner and more environmentally friendly driving experience.
Champion – Champion Platinum Power – Boxed – RS14PMCB5 (Part No.3983)
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$3.79
Champion Platinum Power spark plugs deliver powerful performance. Made from exclusive Heat-Active alloy, a fine-wire center electrode and V-trimmed ground electrode provides sharp spark focus.
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Product Features:
- Platinum Power- Premium Spark Plug. Powerful Performance.
- Platinum center electrode for long life
- Fine-wire center electrode for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Heat-Active alloy allows electrodes to reach optimal temperature
- Platinum tipped center wire resists wear and helps to maintain proper gap spec over life of the plug
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP5243)
from
$6.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite delivers exceptional quality. Designed and engineered in the USA, these spark plugs feature platinum-to-platinum firing, virtually eliminating gap erosion and reducing misfires. The OE design and full-platinum tips on both the center and side electrodes promote reduced gap wear, optimizing engine performance for a longer life and improved fuel economy. The platinum ball welding process ensures a consistent point of contact for enhanced adhesion, while the tapered seat type adds to the overall durability and reliability of the plug.
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Product Features:
- Works to optimize engine performance for a longer life and improved fuel economy
- OE design
- Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
- Platinum ball welding process provides a consistent point of contact for enhanced adhesion
- Tapered Seat Type: Designed with a tapered seat type to add to the overall durability and reliability of the plug, ensuring a secure fit and optimal performance.
Autolite Iridium – Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability (Part No.AI5245)
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.
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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.
DENSO – Iridium Power Spark Plug (Part No.F1000131221ND)
from
$11.41
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.
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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.
Champion – Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RS14PMPB5 (Part No.7983)
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$6.29
Champion® Double Platinum Power¿ spark plugs deliver more powerful performance. Featuring exclusive Heat-Active¿ alloy, platinum fine wire center electrode and platinum pad ground electrode provide maximum life and sharper spark focus.
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Product Features:
- Double Platinum Power – Premium Spark Plug. More Powerful Performance.
- Platinum center and ground electrode for greater wear resistance
- Maintains stable operating temperature under all engine loads
- Fine-wire center electrode for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Heat-Active┐ alloy allows electrodes to reach optimal temperature
NGK – G-Power Spark Plug: Single Platinum Tip Design, LTR5GP (Part No.5019)
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:
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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.
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IT16TT (Part No.4713)
from
$10.99
Durability of an OE style plug combined with Power & Torque of high performance.
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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.
ACDelco – Specific FitSpark Plug Wire (Part No.349V)
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$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.
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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
ACDelco – Spark Plug Wire (Part No.350R)
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$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.
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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
ACDelco – Original Equipment Ignition Wire (Part No.F1030575906ACD)
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$22.14
Built to match the original equipment in length and fit, ACDelco OES Ignition Wires offer a performance advantage over many aftermarket products.
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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*
ACDelco – Spark Plug Wire (Part No.357D)
from
$31.99
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.
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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
ACDelco – Spark Plug Wire (Part No.356F)
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:
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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
Popular 2004 Chevrolet Silverado 2500 HD Spark Plugs Categories
2004 Chevrolet Silverado 2500 HD Spark Plugs
Maybe you’re in the middle of a full rebuild of that 2004 Chevrolet Silverado 2500 HD. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 40 different Spark Plugs in our inventory ranging from $2.99 to $24.99. That means you can find the exact parts or products you need to keep that 2004 Chevrolet Silverado 2500 HD running smoothly.
Spark Plugs are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 2004 Chevrolet Silverado 2500 HD. 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 Chevrolet Silverado 2500 HD, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 12,884 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 Chevrolet Silverado 2500 HD 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 Chevrolet Silverado 2500 HD Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 2004 Chevrolet Silverado 2500 HD 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 Silverado 2500 HD the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular DENSO Spark Plugs
We carry DENSO parts in our stock across Spark Plugs categories, plus more. For a 2004 Chevrolet Silverado 2500 HD, our most popular DENSO Spark Plugs include:
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$10.99
(8)
Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, ZTJ16R10
Spark Plugs
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$10.99
(46)
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IT16TT
Spark Plugs
Top 2004 Chevrolet Silverado 2500 HD Spark Plugs from NGK
NGK products are another trusted brand when it comes to Spark Plugs for your 2004 Chevrolet Silverado 2500 HD. Popular NGK parts include:
FAQs for 2004 Chevrolet Silverado 2500 HD Spark Plugs
What are the most purchased Spark Plugs for the 2004 Chevrolet Silverado 2500 HD?
Out of 40 Spark Plugs for the 2004 Chevrolet Silverado 2500 HD, the most popular in our inventory are:
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$9.99
This product is not rated
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
What are the top-rated 2004 Chevrolet Silverado 2500 HD Spark Plugs?
Top-rated Spark Plugs for your 2004 Chevrolet Silverado 2500 HD based on customer reviews/ratings are:
from
$3.49
(117)
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
“Good seller”
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.”
