2003 GMC W4500 Forward Spark Plugs
Keep Your 2003 GMC W4500 Forward in Top Shape with Quality Spark Plugs
Whether you’re repairing or upgrading your Spark Plug, using high-quality parts is key to keeping your 2003 GMC W4500 Forward looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including . Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Spark Plugs from Trusted Brands
Looking for a reliable Spark Plug? We’ve got you covered with options from brands you know and trust like ACDelco, Champion, and Bosch. For example, ACDelco Spark Plugs start at just $7.99 with an average 4.7 star rating. Champion and Bosch offer similar pricing and quality, backed by strong customer feedback. With over 397 reviews and a solid 5 star average, you can shop with confidence knowing other GMC W4500 Forward owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2003 GMC W4500 Forward Spark Plug at Advance Auto Parts is around $8.15, with a range that starts at $2.29 and goes up to $13.99. With 12 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Copper Plus Spark Plug (RS12YC): Dependable Performance & Durability, Copper Plus Spark Plug (RS14YC6): Dependable Performance & Durability, and Platinum Power Spark Plug (RS14PYC6): Powerful Performance & Durability start at just $2.29 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Spark Plug, don’t forget to check out other key components like Distributors and Ignition Kits. At Advance Auto Parts, we’re here to help you keep your 2003 GMC W4500 Forward in peak condition, inside and out.
Essential 2003 GMC W4500 Forward Spark Plugs
ACDelco – Double Platinum Spark Plug (Part No.41-962)
from
$10.99
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:
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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
- Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
- 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
Champion – Double Platinum Power Spark Plug (RS14PYPB5): Enhanced Ignitability & Durability (Part No.7940)
from
$8.39
Champion Double Platinum Power spark plugs are engineered for drivers seeking enhanced performance and durability. Featuring a fine-wire platinum center electrode and a platinum pad ground electrode, these spark plugs deliver exceptional wear resistance and sharper spark focus for reliable ignition. The V-trimmed ground electrode ensures precise spark delivery, while the exclusive Heat-Active alloy maintains optimal operating temperatures under all engine loads, ensuring consistent performance. Designed as an OE replacement, these spark plugs guarantee compatibility and dependable operation for your vehicle. With their advanced double platinum construction, they provide greater ignitability, improved fuel efficiency, and a longer lifespan, making them a premium choice for maintaining peak engine performance.
Product Features:
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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
- OE Replacement: Designed as an original equipment replacement, ensuring compatibility and reliable performance for your vehicle.
ACDelco – RAPIDFIRE Spark Plug (Part No.14)
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:
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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
- High-Quality Suppressors: ACDelco Gold RAPIDFIRE Spark Plugs feature high-quality suppressors that help prevent misfiring, ensuring reliable performance for everyday use.
- Improved Plug to Boot Seal: Designed with an improved plug to boot seal, these spark plugs provide a secure fit, enhancing overall engine performance and longevity.
Champion – Copper Plus Spark Plug (RS12YC): Dependable Performance & Durability (Part No.401)
from
$2.99
The Copper Plus Spark Plug delivers dependable performance and durability, making it a reliable choice for maintaining optimal engine function. Featuring a copper core center electrode, it ensures enhanced conductivity and precise heat control, promoting good overall wear and extending the spark plug’s lifespan. Built to ISO and SAE Standards, this spark plug guarantees proven performance and superior corrosion resistance, even in demanding conditions. Its nickel center electrode tip and tapered seat design further enhance reliability and engine efficiency, making it an excellent standard replacement option. With a resistor type design and robust materials, this spark plug is engineered to provide consistent ignition and long-lasting durability, ensuring your vehicle runs smoothly mile after mile.
Product Features:
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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.
Bosch – OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity (Part No.9602)
from
$11.99
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.
Product Features:
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Product Features:
- Double Iridium electrodes iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life compared to standard copper spark plugs.
- OE Fine Wire design requires up to 24% less voltage to ignite
- 360 degree continuous laser welding increases durability for increased life
- Copper core provides broader heat range to resist pre-ignition and fouling
- Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
- Tapered ground electrode allows for better ignition throughout the life of the spark plug
- Customer satisfaction guarantee (visit www.boschautoparts.com/sparkplugs for details)
Champion – Platinum Power Spark Plug (RS14PYC6): Powerful Performance & Durability (Part No.3013)
from
$5.39
Champion Platinum Power spark plugs are engineered for exceptional performance and durability, making them an ideal choice for maintaining peak engine efficiency. Featuring a platinum center electrode, these spark plugs ensure long-lasting reliability and consistent performance. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for optimal combustion. Constructed with Heat-Active alloy, the electrodes quickly reach and maintain the ideal operating temperature, ensuring smooth engine operation under various conditions. The platinum-tipped center wire resists wear and helps maintain the proper gap specification throughout the life of the plug, reducing the need for frequent replacements. Designed as a standard replacement with a tapered seat type, these spark plugs are built to meet or exceed OEM Standards. With a nickel ground electrode tip and integrated resistor, they deliver dependable performance and value, making them a smart investment for your vehicle’s ignition system.
Product Features:
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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
- Platinum Center Electrode: Features a platinum center electrode for extended durability and long life.
Champion – Iridium Spark Plug (RS14WYPB5): Maximum Performance & Longevity (Part No.9404)
from
$8.49
Champion Iridium spark plug is engineered for drivers who demand peak performance and durability. Featuring a fine-wire iridium center electrode and a platinum-enhanced ground electrode, this premium spark plug ensures sharper spark focus and greater ignitability, delivering maximum engine efficiency. The V-trimmed ground electrode design promotes consistent performance, while the Heat-Active alloy allows the electrodes to quickly reach and maintain optimal operating temperatures under all engine loads. Built with a tapered seat type and resistor technology, it provides reliable performance and compatibility with a wide range of vehicles. Designed for longevity, the iridium center electrode ensures extended service life, making it a perfect choice for those seeking high-grade, performance-oriented spark plugs.
Product Features:
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Product Features:
- Champion Iridium – Maximum Performance. Premium Spark Plug
- Iridium center electrode delivers maximum life
- Fine-wire center electrode and V-trimmed for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Maintains stable operating temperature under all engine loads
- Heat-Active alloy allows electrodes to reach optimal temperature quickly
ACDelco – RAPIDFIRE Spark Plug (Part No.6)
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:
See More
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 sea
- 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
ACDelco – Iridium Spark Plug: Reliable Cold Starting & Smooth Performance (Part No.41-162)
from
$12.99
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:
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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.
ACDelco – Double Platinum Spark Plug (Part No.41-979)
from
$10.99
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:
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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
- Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
- 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
- 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.
Champion – Iridium Spark Plug (RS12WMPB4): Maximum Performance & Longevity (Part No.9405)
from
$13.99
The Champion Iridium Spark Plug is engineered for maximum performance and durability, making it the ultimate choice for high-performance engines. Featuring a fine-wire iridium center electrode and a platinum-enhanced ground electrode, this premium spark plug ensures sharper spark focus and greater ignitability for optimal engine efficiency. Its V-trimmed ground electrode design promotes precise spark delivery, while the Heat-Active alloy allows the electrodes to quickly reach and maintain stable operating temperatures under all engine loads. Built with a tapered seat and a resistor type design, this spark plug is crafted to deliver consistent performance and extended service life. Whether you’re looking to enhance your vehicle’s ignition system or maintain peak engine performance, the Champion Iridium Spark Plug offers unmatched reliability and value.
Product Features:
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Product Features:
- Champion Iridium – Maximum Performance. Premium Spark Plug
- Iridium center electrode delivers maximum life
- Fine-wire center electrode and V-trimmed for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Maintains stable operating temperature under all engine loads
- Heat-Active alloy allows electrodes to reach optimal temperature quickly
Motorcraft – Spark Plug: Reliable Ignition with Nickel Electrode Design (Part No.SP-446-AX)
from
$4.79
This spark plug is engineered for reliable ignition performance, featuring a standard center electrode design and durable nickel construction for both the center and ground electrode tips. The nickel material ensures excellent conductivity and resistance to wear, making it a dependable choice for maintaining consistent engine performance. Its tapered seat type provides a secure fit, enhancing the overall efficiency of the ignition system. Designed to deliver long-lasting durability and optimal functionality, this spark plug is a cost-effective solution for keeping your vehicle running smoothly. Whether you’re replacing a worn-out plug or performing routine maintenance, this high-quality component ensures dependable starts and efficient combustion.
Product Features:
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Product Features:
- Engineered with a standard center electrode design to ensure consistent and reliable ignition performance.
- Constructed with durable nickel material for both the center and ground electrode tips, providing excellent conductivity and resistance to wear.
- Features a tapered seat type for a secure fit, enhancing the overall efficiency of the ignition system.
- Designed for long-lasting durability, making it a cost-effective solution for maintaining smooth engine operation.
- Optimized to deliver dependable starts and efficient combustion, ideal for routine maintenance or replacing worn-out spark plugs.
Champion – Platinum Power Spark Plug (RS14PMC4): Powerful Performance & Durability (Part No.3015)
from
$5.99
Champion Platinum Power spark plugs are engineered to deliver exceptional performance and durability, making them a reliable choice for your vehicle. Featuring a platinum center electrode, these spark plugs ensure long-lasting operation while maintaining optimal gap specifications over time. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for efficient combustion. Constructed with the exclusive Heat-Active alloy, these plugs quickly reach and maintain the ideal operating temperature, ensuring consistent performance under various driving conditions. The platinum-tipped center wire resists wear, providing extended service life and reducing the need for frequent replacements. Designed as a standard replacement with a tapered seat type, these spark plugs are compatible with a wide range of vehicles. With a nickel ground electrode tip and integrated resistor, they offer a perfect balance of quality, performance, and value for your engine’s ignition system.
Product Features:
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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
Champion – Copper Plus Spark Plug (RS14YC6): Dependable Performance & Durability (Part No.13)
from
$2.29
The Copper Plus spark plug is engineered for dependable performance and durability, making it an ideal choice for maintaining engine efficiency. Featuring a copper core center electrode, it ensures accurate heat range control for extended lifespan and consistent wear. Its nickel center electrode tip enhances durability and reliability, while the tapered seat type design guarantees a secure fit and optimal performance. Built to ISO and SAE Standards, this spark plug offers proven performance and superior corrosion resistance, ensuring long-term reliability. As an OE replacement, it delivers the quality and functionality needed to keep your vehicle running smoothly. Whether you’re seeking improved conductivity or heat control, this standard-grade replacement spark plug is designed to meet your engine’s demands with precision and efficiency.
Product Features:
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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
- Nickel Center Electrode Tip: Equipped with a nickel center electrode tip, this spark plug offers superior durability and reliable performance, making it a dependable choice for maintaining engine efficiency.
- Tapered Seat Type: The tapered seat type design of the Champion Copper Plus Spark Plug ensures a secure fit and optimal performance, contributing to the overall reliability of your engine.
- OE Replacement: Designed as an OE replacement, the Champion Copper Plus Spark Plug guarantees dependable performance and durability, making it an ideal choice for maintaining your vehicle’s engine.
Champion – Double Platinum Power Spark Plug (RS14PMP4): Enhanced Durability & Performance (Part No.7015)
from
$4.69
Champion Double Platinum Power spark plugs are engineered for drivers seeking enhanced durability and performance. Featuring a fine-wire platinum center electrode and a platinum pad ground electrode, these spark plugs deliver exceptional wear resistance and long-lasting reliability. The V-trimmed ground electrode ensures a sharper spark focus, while the Heat-Active alloy optimizes electrode temperature under all engine loads, promoting consistent performance. Designed as a standard replacement, these spark plugs maintain stable operating temperatures, ensuring smooth ignition and efficient combustion. With a tapered seat type and integrated resistor, they provide a precise fit and reduced electromagnetic interference. Ideal for those demanding more powerful performance, these spark plugs combine advanced materials and innovative design to maximize engine efficiency and longevity.
Product Features:
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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
Popular 2003 GMC W4500 Forward Spark Plugs Categories
Most Popular Spark Plugs for 2003 GMC W4500 Forwards
Enhance your 2003 GMC W4500 Forward with one of the 12 Spark Plugs we have in stock, starting at just $2.29.
ACDelco – Double Platinum Spark Plug (Part No.41-962)
from
$10.99
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:
See More
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
- Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
- 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
ACDelco – Double Platinum Spark Plug (Part No.41-979)
from
$10.99
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:
See More
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
- Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
- 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
- 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.
Bosch – OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity (Part No.9602)
from
$11.99
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.
Product Features:
See More
Product Features:
- Double Iridium electrodes iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life compared to standard copper spark plugs.
- OE Fine Wire design requires up to 24% less voltage to ignite
- 360 degree continuous laser welding increases durability for increased life
- Copper core provides broader heat range to resist pre-ignition and fouling
- Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
- Tapered ground electrode allows for better ignition throughout the life of the spark plug
- Customer satisfaction guarantee (visit www.boschautoparts.com/sparkplugs for details)
Champion – Iridium Spark Plug (RS14WYPB5): Maximum Performance & Longevity (Part No.9404)
from
$8.49
Champion Iridium spark plug is engineered for drivers who demand peak performance and durability. Featuring a fine-wire iridium center electrode and a platinum-enhanced ground electrode, this premium spark plug ensures sharper spark focus and greater ignitability, delivering maximum engine efficiency. The V-trimmed ground electrode design promotes consistent performance, while the Heat-Active alloy allows the electrodes to quickly reach and maintain optimal operating temperatures under all engine loads. Built with a tapered seat type and resistor technology, it provides reliable performance and compatibility with a wide range of vehicles. Designed for longevity, the iridium center electrode ensures extended service life, making it a perfect choice for those seeking high-grade, performance-oriented spark plugs.
Product Features:
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Product Features:
- Champion Iridium – Maximum Performance. Premium Spark Plug
- Iridium center electrode delivers maximum life
- Fine-wire center electrode and V-trimmed for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Maintains stable operating temperature under all engine loads
- Heat-Active alloy allows electrodes to reach optimal temperature quickly
Champion – Copper Plus Spark Plug (RS12YC): Dependable Performance & Durability (Part No.401)
from
$2.99
The Copper Plus Spark Plug delivers dependable performance and durability, making it a reliable choice for maintaining optimal engine function. Featuring a copper core center electrode, it ensures enhanced conductivity and precise heat control, promoting good overall wear and extending the spark plug’s lifespan. Built to ISO and SAE Standards, this spark plug guarantees proven performance and superior corrosion resistance, even in demanding conditions. Its nickel center electrode tip and tapered seat design further enhance reliability and engine efficiency, making it an excellent standard replacement option. With a resistor type design and robust materials, this spark plug is engineered to provide consistent ignition and long-lasting durability, ensuring your vehicle runs smoothly mile after mile.
Product Features:
See More
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.
ACDelco – RAPIDFIRE Spark Plug (Part No.14)
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:
See More
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
- High-Quality Suppressors: ACDelco Gold RAPIDFIRE Spark Plugs feature high-quality suppressors that help prevent misfiring, ensuring reliable performance for everyday use.
- Improved Plug to Boot Seal: Designed with an improved plug to boot seal, these spark plugs provide a secure fit, enhancing overall engine performance and longevity.
Champion – Copper Plus Spark Plug (RS14YC6): Dependable Performance & Durability (Part No.13)
from
$2.29
The Copper Plus spark plug is engineered for dependable performance and durability, making it an ideal choice for maintaining engine efficiency. Featuring a copper core center electrode, it ensures accurate heat range control for extended lifespan and consistent wear. Its nickel center electrode tip enhances durability and reliability, while the tapered seat type design guarantees a secure fit and optimal performance. Built to ISO and SAE Standards, this spark plug offers proven performance and superior corrosion resistance, ensuring long-term reliability. As an OE replacement, it delivers the quality and functionality needed to keep your vehicle running smoothly. Whether you’re seeking improved conductivity or heat control, this standard-grade replacement spark plug is designed to meet your engine’s demands with precision and efficiency.
Product Features:
See More
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
- Nickel Center Electrode Tip: Equipped with a nickel center electrode tip, this spark plug offers superior durability and reliable performance, making it a dependable choice for maintaining engine efficiency.
- Tapered Seat Type: The tapered seat type design of the Champion Copper Plus Spark Plug ensures a secure fit and optimal performance, contributing to the overall reliability of your engine.
- OE Replacement: Designed as an OE replacement, the Champion Copper Plus Spark Plug guarantees dependable performance and durability, making it an ideal choice for maintaining your vehicle’s engine.
Champion – Platinum Power Spark Plug (RS14PYC6): Powerful Performance & Durability (Part No.3013)
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$5.39
Champion Platinum Power spark plugs are engineered for exceptional performance and durability, making them an ideal choice for maintaining peak engine efficiency. Featuring a platinum center electrode, these spark plugs ensure long-lasting reliability and consistent performance. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for optimal combustion. Constructed with Heat-Active alloy, the electrodes quickly reach and maintain the ideal operating temperature, ensuring smooth engine operation under various conditions. The platinum-tipped center wire resists wear and helps maintain the proper gap specification throughout the life of the plug, reducing the need for frequent replacements. Designed as a standard replacement with a tapered seat type, these spark plugs are built to meet or exceed OEM Standards. With a nickel ground electrode tip and integrated resistor, they deliver dependable performance and value, making them a smart investment for your vehicle’s ignition system.
Product Features:
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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
- Platinum Center Electrode: Features a platinum center electrode for extended durability and long life.
Champion – Double Platinum Power Spark Plug (RS14PYPB5): Enhanced Ignitability & Durability (Part No.7940)
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$8.39
Champion Double Platinum Power spark plugs are engineered for drivers seeking enhanced performance and durability. Featuring a fine-wire platinum center electrode and a platinum pad ground electrode, these spark plugs deliver exceptional wear resistance and sharper spark focus for reliable ignition. The V-trimmed ground electrode ensures precise spark delivery, while the exclusive Heat-Active alloy maintains optimal operating temperatures under all engine loads, ensuring consistent performance. Designed as an OE replacement, these spark plugs guarantee compatibility and dependable operation for your vehicle. With their advanced double platinum construction, they provide greater ignitability, improved fuel efficiency, and a longer lifespan, making them a premium choice for maintaining peak engine performance.
Product Features:
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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
- OE Replacement: Designed as an original equipment replacement, ensuring compatibility and reliable performance for your vehicle.
Champion – Iridium Spark Plug (RS12WMPB4): Maximum Performance & Longevity (Part No.9405)
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$13.99
The Champion Iridium Spark Plug is engineered for maximum performance and durability, making it the ultimate choice for high-performance engines. Featuring a fine-wire iridium center electrode and a platinum-enhanced ground electrode, this premium spark plug ensures sharper spark focus and greater ignitability for optimal engine efficiency. Its V-trimmed ground electrode design promotes precise spark delivery, while the Heat-Active alloy allows the electrodes to quickly reach and maintain stable operating temperatures under all engine loads. Built with a tapered seat and a resistor type design, this spark plug is crafted to deliver consistent performance and extended service life. Whether you’re looking to enhance your vehicle’s ignition system or maintain peak engine performance, the Champion Iridium Spark Plug offers unmatched reliability and value.
Product Features:
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Product Features:
- Champion Iridium – Maximum Performance. Premium Spark Plug
- Iridium center electrode delivers maximum life
- Fine-wire center electrode and V-trimmed for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Maintains stable operating temperature under all engine loads
- Heat-Active alloy allows electrodes to reach optimal temperature quickly
Champion – Platinum Power Spark Plug (RS14PMC4): Powerful Performance & Durability (Part No.3015)
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$5.99
Champion Platinum Power spark plugs are engineered to deliver exceptional performance and durability, making them a reliable choice for your vehicle. Featuring a platinum center electrode, these spark plugs ensure long-lasting operation while maintaining optimal gap specifications over time. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for efficient combustion. Constructed with the exclusive Heat-Active alloy, these plugs quickly reach and maintain the ideal operating temperature, ensuring consistent performance under various driving conditions. The platinum-tipped center wire resists wear, providing extended service life and reducing the need for frequent replacements. Designed as a standard replacement with a tapered seat type, these spark plugs are compatible with a wide range of vehicles. With a nickel ground electrode tip and integrated resistor, they offer a perfect balance of quality, performance, and value for your engine’s ignition system.
Product Features:
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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
Champion – Double Platinum Power Spark Plug (RS14PMP4): Enhanced Durability & Performance (Part No.7015)
from
$4.69
Champion Double Platinum Power spark plugs are engineered for drivers seeking enhanced durability and performance. Featuring a fine-wire platinum center electrode and a platinum pad ground electrode, these spark plugs deliver exceptional wear resistance and long-lasting reliability. The V-trimmed ground electrode ensures a sharper spark focus, while the Heat-Active alloy optimizes electrode temperature under all engine loads, promoting consistent performance. Designed as a standard replacement, these spark plugs maintain stable operating temperatures, ensuring smooth ignition and efficient combustion. With a tapered seat type and integrated resistor, they provide a precise fit and reduced electromagnetic interference. Ideal for those demanding more powerful performance, these spark plugs combine advanced materials and innovative design to maximize engine efficiency and longevity.
Product Features:
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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
Top-Rated Spark Plug Brands For Your 2003 GMC W4500 Forward
When it comes to finding the perfect Spark Plug for your 2003 GMC W4500 Forward, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Spark Plug brands including ACDelco, Champion, and Bosch, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $2.29. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 2003 GMC W4500 Forward, providing peace of mind with parts that meet or exceed OEM standards.
Popular ACDelco 2003 GMC W4500 Forward Spark Plugs
If you’re looking for a top-quality Spark Plug for your 2003 GMC W4500 Forward, Advance Auto Parts has exactly what you need with our selection of ACDelco Spark Plugs. We have 3 ACDelco Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99 and an average cost of $9.99, you’ll find the perfect Spark Plug for your needs and budget. ACDelco Spark Plugs for the 2003 GMC W4500 Forward come highly rated, with over 241 customer reviews and an impressive average rating of 4.7 stars. Choosing a ACDelco Spark Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Top-Quality Champion 2003 GMC W4500 Forward Spark Plugs
For those in search of a high-quality Spark Plug for their 2003 GMC W4500 Forward, Advance Auto Parts offers a great selection of Champion Spark Plugs. With 3 Champion Spark Plugs in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Spark Plugs start at just $2.29, with an average price of $4.59, giving you a range of options to suit your budget. Backed by over 60 customer ratings and an average rating of 4.7 stars, Champion Spark Plugs provide both reliability and excellent performance. Choosing a Champion Spark Plug from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
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$8.49
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Iridium Spark Plug (RS14WYPB5): Maximum Performance & Longevity
“These plugs are the best and If you gap them right you will notice improvement in everything. Be sure on all plug that are Iridium do not gap the plug”
FAQs for 2003 GMC W4500 Forward Spark Plugs
What are the best-selling Spark Plugs for 2003 GMC W4500 Forwards?
Out of 12 Spark Plugs that fit 2003 GMC W4500 Forwards, the following parts are the top sellers:
- Copper Plus Spark Plug (RS12YC): Dependable Performance & Durability (5470017) – $2.99
- Copper Plus Spark Plug (RS14YC6): Dependable Performance & Durability (5470001) – $2.29
- Platinum Power Spark Plug (RS14PYC6): Powerful Performance & Durability (5470026) – $5.39
What’s the price range for 2003 GMC W4500 Forward Spark Plugs?
The prices of Spark Plugs for the 2003 GMC W4500 Forward range from $2.29 up to $13.99 for the most premium parts.
What is the average price of a Spark Plug for a 2003 GMC W4500 Forward?
The average price for Spark Plugs for the 2003 GMC W4500 Forward is $8.15. Keep in mind the variety of part types within our Spark Plug category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Spark Plugs for other GMC W4500 Forward model years?
What are the cheapest Spark Plugs for my 2003 GMC W4500 Forward?
The cheapest 2003 GMC W4500 Forward Spark Plugs we carry are:
- Copper Plus Spark Plug (RS14YC6): Dependable Performance & Durability (5470001) – $2.29
- Copper Plus Spark Plug (RS12YC): Dependable Performance & Durability (5470017) – $2.99
- Double Platinum Power Spark Plug (RS14PMP4): Enhanced Durability & Performance (15650149) – $4.69
- Platinum Power Spark Plug (RS14PYC6): Powerful Performance & Durability (5470026) – $5.39
- Platinum Power Spark Plug (RS14PMC4): Powerful Performance & Durability (5470027) – $5.99
Does Advance Auto Parts sell Spark Plugs for any other 2003 GMC models?
Yes. We stock Spark Plugs for 19 other popular 2003 GMC models. Some of the most popular are 2003 Yukon Spark Plugs, 2003 Sierra 1500 Spark Plugs, 2003 Yukon XL 1500 Spark Plugs, 2003 Yukon XL 2500 Spark Plugs, and 2003 Savana 1500 Spark Plugs.
What are the top-rated Spark Plugs that fit the 2003 GMC W4500 Forward?
The one 2003 GMC W4500 Forward Spark Plug we have in stock is the Copper Plus Spark Plug (RS14YC6): Dependable Performance & Durability. It is rated 4.5 stars and costs $2.29.
What types of Spark Plugs do you sell for my 2003 GMC W4500 Forward?
We currently have just 1 Spark Plug in stock for a 2003 GMC W4500 Forward, and as of 3/1/26, it is .
Can I get help with 2003 GMC W4500 Forward Spark Plug orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Spark Plugs and more.
What is your return policy for GMC W4500 Forward Spark Plugs?
Advance Auto Parts keeps returns simple. For new GMC W4500 Forward Spark Plugs and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.