Workhorse Spark Plugs

Spark Plugs for Your Workhorse

Replacing your Workhorse Spark Plugs shouldn’t cost you an arm and a leg. That’s why we offer plenty of options for you to choose from, making it easy to find top rated Spark Plugs brands at a fraction of the cost.
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Essential Workhorse Spark Plugs

ACDelco – ACDelco Double Platinum Spark Plug, 41-962 (Part No.41-962)

ACDelco Double Platinum Spark Plug, 41-962

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$11.99
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.
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NGK – NGK Iridium IX Spark Plug (TR55IX): Outstanding Acceleration & Durability, 7164 (Part No.7164)

NGK Iridium IX Spark Plug (TR55IX): Outstanding Acceleration & Durability, 7164

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$14.99
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.
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Motorcraft – Motorcraft Double Platinum Spark Plug: Enhances Durability & Reduces Misfires, SP-486 (Part No.SP-486)

Motorcraft Double Platinum Spark Plug: Enhances Durability & Reduces Misfires, SP-486

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$7.29
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. With a platinum center and ground electrode tip, they are resistant to oxidation and arc erosion, ensuring long-lasting performance. The multi-rib insulator protects against misfire, and they are backed by Motorcraft’s Service Parts Warranty. Designed for exact fit in Ford, Lincoln, and Mercury vehicles, they also help prevent false check engine lights. With service intervals of up to 100,000 miles, Motorcraft Spark Plugs are crafted from high-quality materials to deliver reliable performance for almost any application, making them the same components that were in the vehicle when it was manufactured.
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ACDelco – ACDelco Double Platinum Spark Plug, 41-979 (Part No.41-979)

ACDelco Double Platinum Spark Plug, 41-979

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$11.49
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.
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NGK – NGK Laser Iridium Spark Plug (ITR4A15): Fine Wire Tip for High Efficiency, 5599 (Part No.5599)

NGK Laser Iridium Spark Plug (ITR4A15): Fine Wire Tip for High Efficiency, 5599

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$19.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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NGK – NGK Laser Iridium Spark Plug (IZTR5B11): Fine Wire Tip for Efficiency, 1465 (Part No.1465)

NGK Laser Iridium Spark Plug (IZTR5B11): Fine Wire Tip for Efficiency, 1465

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$21.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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Champion – Champion Iridium Spark Plug RS14WYPB5 – Maximum Performance & Longevity, 9404 (Part No.9404)

Champion Iridium Spark Plug RS14WYPB5 - Maximum Performance & Longevity, 9404

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$11.49
Champion Iridium spark plugs combine a fine-wire iridium center with platinum ground electrodes to help any engine achieve top performance, regardless of ignition type. This advanced design ensures precise ignition, long-lasting durability and reliable performance mile after mile, while reducing wear and tear. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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NGK – NGK V-Power Nickel Spark Plug (TR55): Enhanced Ignitability & Performance, 3951 (Part No.3951)

NGK V-Power Nickel Spark Plug (TR55): Enhanced Ignitability & Performance, 3951

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$7.49
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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NGK – NGK V-Power Nickel Spark Plug (TR5): Enhanced Ignitability & Reliability, 2238 (Part No.2238)

NGK V-Power Nickel Spark Plug (TR5): Enhanced Ignitability & Reliability, 2238

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$6.49
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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NGK – NGK G-Power Platinum Spark Plug (TR55GP): Enhanced Durability & Efficiency, 3403 (Part No.3403)

NGK G-Power Platinum Spark Plug (TR55GP): Enhanced Durability & Efficiency, 3403

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$8.99
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.
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NGK – NGK G-Power Spark Plug (TR5GP): Enhanced Durability & Fuel Efficiency, 3186 (Part No.3186)

NGK G-Power Spark Plug (TR5GP): Enhanced Durability & Fuel Efficiency, 3186

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$8.99
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.
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ACDelco – ACDelco Conventional Spark Plug, R44LTS6 (Part No.R44LTS6)

ACDelco Conventional Spark Plug, R44LTS6

from

$6.49
ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
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ACDelco – ACDelco Conventional Spark Plug, R44LTSM (Part No.R44LTSM)

ACDelco Conventional Spark Plug, R44LTSM

from

$6.49
ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
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Autolite – Autolite Platinum Spark Plug: Improved Performance & Durability, AP5245 (Part No.AP5245)

Autolite Platinum Spark Plug: Improved Performance & Durability, AP5245

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$5.49
Autolite Platinum spark plugs are crafted for superior performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, and enhanced fuel efficiency. The platinum design prevents gap erosion, extending service life, while the high alumina ceramic insulator offers excellent thermal conductivity and insulation for added strength. A multi-rib insulator minimizes flash-over, and the nickel-plated shell resists corrosion for long-lasting reliability. With a standard center electrode design and long projection, these performance-grade spark plugs deliver consistent ignition and improved acceleration. The tapered seat type and resistor functionality further enhance compatibility and efficiency, making them a dependable choice for maintaining engine health and optimizing performance.
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Autolite – Autolite Platinum Spark Plug (AP605): Enhanced Durability & Performance (Part No.AP605)

Autolite Platinum Spark Plug (AP605): Enhanced Durability & Performance

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$5.49
The Platinum Spark Plug (AP605) is expertly crafted to deliver enhanced durability and performance for older engine applications. Featuring a platinum center electrode firing tip, it ensures quicker firing, smoother starts, and improved fuel efficiency while preventing gap erosion for a longer service life. Its high alumina ceramic insulator provides superior thermal conductivity and insulation, boosting strength and reliability under demanding conditions. The multi-rib insulator design effectively prevents flash-over, while the nickel-plated shell offers exceptional corrosion resistance, extending the plug’s lifespan. With a mid-projection standard center electrode and a tapered seat type, this performance-grade spark plug is built to optimize engine functionality. The combination of platinum and nickel materials in the electrode tips ensures consistent performance and durability, making it a dependable choice for maintaining acceleration and overall engine efficiency.
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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5245 (Part No.APP5245)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5245

from

$7.49
Autolite Double Platinum spark plugs are engineered for exceptional durability and performance, making them a reliable choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, these spark plugs effectively prevent gap erosion, reduce misfires, and extend service life. The yttrium-enhanced ground electrode ensures superior heat transfer, allowing the spark plug to withstand high temperatures and pressures for greater longevity. With a high alumina ceramic insulator, these plugs deliver optimal thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for consistent performance. Designed with a long projection center electrode and tapered seat type, these spark plugs offer precision and efficiency. Autolite’s trusted quality is backed by over 11 billion plugs sold, ensuring you get proven reliability in every product. Ideal for performance-grade applications, these spark plugs are crafted with platinum center and ground electrode tips for enhanced durability and superior ignition performance.
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NGK – NGK Iridium IX Spark Plug (TR5IX): Extreme Ignitability & Durability, 7397 (Part No.7397)

NGK Iridium IX Spark Plug (TR5IX): Extreme Ignitability & Durability, 7397

from

$14.99
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.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 605 (Part No.605)

Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 605

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$4.49
Autolite Copper spark plugs are designed to provide quick starts and reliable performance, making them an essential upgrade for your vehicle. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are engineered for extended life, while the high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation strength. With a nickel-plated shell, these plugs resist corrosion, offering long-lasting durability. The tapered seat design ensures a perfect fit for easy and reliable installation. Built with a mid-projection standard center electrode and nickel tip materials, these regular-grade spark plugs deliver dependable performance. Equipped with a resistor, they are tailored to meet the demands of modern engines, providing the power and efficiency your vehicle needs.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Reliability, 5245 (Part No.5245)

Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Reliability, 5245

from

$4.49
Autolite Copper spark plugs are designed to provide reliable performance and meet the demands of your vehicle with precision engineering. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes deliver extended life, while the high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation for added strength. With a nickel-plated shell, these spark plugs resist corrosion, offering long-lasting durability. Engineered for quick starts, they improve your vehicle’s reliability and performance, while optimizing fuel efficiency to help you save on costs. The long projection center electrode and tapered seat design ensure a secure fit and smooth operation. Experience smoother acceleration and a more responsive driving experience with Autolite Copper spark plugs, a dependable choice for maintaining excellent engine performance.
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Champion – Champion Copper Plus Spark Plug RS12YC – Dependable Performance & Durability, 401 (Part No.401)

Champion Copper Plus Spark Plug RS12YC - Dependable Performance & Durability, 401

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$4.19
Champion Copper Plus spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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ACDelco – ACDelco RAPIDFIRE Spark Plug, 14 (Part No.14)

ACDelco RAPIDFIRE Spark Plug, 14

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$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.
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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP605 (Part No.APP605)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP605

from

$7.49
The Double Platinum Spark Plug is engineered for exceptional durability and performance, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring a longer service life compared to copper and standard platinum plugs. Its yttrium-enhanced ground electrode delivers superior heat transfer, maintaining durability under high temperatures and pressure. The high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. With a mid-projection center electrode and tapered seat type, this performance-grade spark plug is built to handle demanding conditions. Both the center and ground electrode tips are crafted from platinum, ensuring consistent ignition and enhanced efficiency. Designed to deliver value and reliability, this spark plug is a smart upgrade for those seeking improved engine performance and longevity.
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Champion – Champion Copper Plus Spark Plug RS14YC6 – Dependable Performance & Durability, 13 (Part No.13)

Champion Copper Plus Spark Plug RS14YC6 - Dependable Performance & Durability, 13

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$2.79
Champion Copper Plus spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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ACDelco – ACDelco Double Platinum Spark Plug, 41-942 (Part No.41-942)

ACDelco Double Platinum Spark Plug, 41-942

from

$11.49
ACDelco Professional Double Platinum Spark Plugs are premium aftermarket plugs, and are a high quality replacement for many vehicles on the road today. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.
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Champion – Champion Double Platinum Power Spark Plug RS14PYPB5 – Enhanced Durability & Performance, 7940 (Part No.7940)

Champion Double Platinum Power Spark Plug RS14PYPB5 - Enhanced Durability & Performance, 7940

from

$8.89
Champion Double Platinum Power spark plugs combine a platinum fine-wire center electrode with platinum center and ground electrodes and exclusive Heat-Active alloy, ensuring powerful performance, longer service life and precise spark focus for optimal combustion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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Compare Deals on Workhorse Spark Plugs

Shop Workhorse Spark Plugs today. Advance Auto Parts carries top rated Spark Plugs brands for your Workhorse. Search through our selection of popular aftermarket or OEM parts, we are confident you can find the Spark Plugs deal that will fit your vehicle hassle-free.

Compare before you buy, we offer customer reviews and star ratings on all of our Workhorse Spark Plugs. Once you have reviewed your options and selected the deal that fits your budget, all that is left for you to decide is how to have your new Workhorse parts delivered. You can either have the Spark Plugs shipped directly to you or you can pick them up at your local Advance Auto Parts store.

Start shopping below and watch your savings grow!