1981 GMC C7000 Spark Plugs

Keep Your 1981 GMC C7000 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 1981 GMC C7000 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Spark Plugs. 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 and Dorman. For example, ACDelco Spark Plugs start at just $7.99 with an average 4.7 star rating. Dorman offer similar pricing and quality, backed by strong customer feedback. With over 12 reviews and a solid 5 star average, you can shop with confidence knowing other GMC C7000 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1981 GMC C7000 Spark Plug at Advance Auto Parts is around $5.71, with a range that starts at $3.49 and goes up to $10.99. With 6 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Double Platinum Spark Plug: Long-Lasting Performance & Durability, Spark Plug Non-Foulers – 14mm Tapered Seat, and Copper Plus Spark Plug (RV8C): Dependable Performance & Durability start at just $3.49 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 Ignition Boots and Ignition Coils and Boots. At Advance Auto Parts, we’re here to help you keep your 1981 GMC C7000 in peak condition, inside and out.

Essential 1981 GMC C7000 Spark Plugs

ACDelco – Copper Core Spark Plug: Reliable Heat Transfer & Durability (Part No.R42T)

Copper Core Spark Plug: Reliable Heat Transfer & Durability

from

$3.99
ACDelco Professional 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.

Product Features:
  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
  • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
  • Available for use in Marine applications
  • Nickel Center Electrode Tip: Designed with a nickel center electrode tip, these spark plugs provide durability and consistent performance.
  • Outstanding Suppression Characteristics: These spark plugs offer excellent suppression characteristics, contributing to the overall reliability of your vehicle’s engine.
  • Conical Seat Type: The conical seat type ensures a secure fit, enhancing the overall functionality and performance of the spark plugs.
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ACDelco – RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Maximizes Durability (Part No.10)

RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Maximizes Durability

from

$7.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Ribless insulator helps optimize plug to boot seal
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • High-Quality Suppressors: ACDelco Gold RAPIDFIRE Spark Plugs feature high-quality suppressors that help prevent misfiring, ensuring smooth and reliable engine performance.
  • Single Platinum Performance: Designed with a platinum center electrode tip, these spark plugs offer enhanced durability and consistent performance for everyday use.
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ACDelco – Double Platinum Spark Plug: Long-Lasting Performance & Durability (Part No.41-803)

Double Platinum Spark Plug: Long-Lasting Performance & Durability

from

$10.99
ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. 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. 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:
  • 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 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
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ACDelco – Spark Plug: Reliable Ignition with Over 100 Years of Innovation (Part No.R43T)

Spark Plug: Reliable Ignition with Over 100 Years of Innovation

from

$2.49
ACDelco is a global leader in automotive replacement parts and related services and offers quality aftermarket products for most makes and models, including General Motors, Ford, Chrysler, Toyota and Honda, plus many original equipment service replacement parts. ACDelco products can be found in more than 100 countries located on six of the seven continents and are sourced globally to meet the needs of the local markets, including “maintenance” parts commonly replaced during the lifetime of a vehicle (e.g., batteries, oil filters, air filters, wiper blades, shocks and brakes), as well as “repair” parts (e.g., alternators, radiators, chassis and heatingcooling components). ACDelco offers more than 80,000 parts across 37 product lines. ACDelco has over 100 years of experience in the automotive industry and is a brand of GM Customer Care and Aftersales, a division of General Motors. ACDelco employs a two- or three-tiered distribution model, utilizing a network of appointed wholesale distributors to service independent installers, ACDelco independent service centers, retail and fleet customers.

Product Features:
  • The kind of firepower you expect from ACDelco. The spark plug is what started it all for us, and with over 100 years of innovation behind each spark plug, you know they’re going to be great.
  • Designed with a tapered seat type to ensure a secure and precise fit, enhancing overall engine performance.
  • Built with resistor technology to reduce electromagnetic interference, ensuring smoother engine operation and compatibility with modern vehicle electronics.
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ACDelco – RAPIDFIRE Spark Plug: Enhanced Durability & Reliable Performance (Part No.1)

RAPIDFIRE Spark Plug: Enhanced Durability & Reliable Performance

from

$7.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

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

Autolite – Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (Part No.144)

Copper Resistor Spark Plug: Quick Starts & Enhanced Durability

from

$3.99
Autolite Copper spark plugs are designed to provide reliable performance and durability, making them an excellent choice for maintaining your vehicle’s efficiency. Featuring a copper core center electrode, these spark plugs ensure optimal thermal control and resist fouling, while the high nickel alloy center and ground electrodes deliver extended life. The high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation, offering superior strength and reliability. With a nickel-plated shell, these spark plugs are corrosion-resistant, ensuring long-lasting durability even in demanding conditions. The standard center electrode design with a short projection and nickel tip material ensures consistent performance, while the tapered seat type and built-in resistor further enhance functionality. Ideal for quick starts and dependable power, these spark plugs meet the needs of regular-grade applications, providing excellent value and performance for your vehicle.

Product Features:
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • The built-in resistor minimizes electrical interference, ensuring smoother engine performance and reliable functionality.
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ACDelco – Premium Double Platinum Tip Copper Core Spark Plug: Long-Lasting Performance & Durability (Part No.41-817)

Premium Double Platinum Tip Copper Core Spark Plug: Long-Lasting Performance & Durability

from

$10.99
ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. 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. 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:
  • 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 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
  • Resistor Type: Includes a resistor to reduce electromagnetic interference, ensuring smooth engine performance.
  • Tapered Seat Type: Designed with a tapered seat type for a secure fit and reliable function.
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Champion – Copper Plus Spark Plug (RV8C): Dependable Performance & Durability (Part No.121)

Copper Plus Spark Plug (RV8C): Dependable Performance & Durability

from

$3.49
The Copper Plus Spark Plug (RV8C) is engineered for dependable performance and durability, making it a reliable choice for maintaining engine efficiency. Featuring a copper core center electrode, it ensures accurate heat range control for extended lifespan and consistent functionality. Built to ISO and SAE Standards, this spark plug delivers proven performance while offering superior corrosion resistance for long-term reliability. Its nickel center electrode tip and tapered seat design enhance conductivity and optimize engine performance, making it an ideal OE replacement. With a standard-grade design and resistor type, this spark plug is crafted from high-quality materials to provide reliable ignition and smooth operation. Whether you’re seeking improved wear or consistent engine performance, the Copper Plus Spark Plug delivers exceptional value and durability.

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
  • Dependable Performance: The Champion Copper Plus Spark Plug ensures reliable and consistent performance, making it an ideal OE replacement for maintaining engine efficiency.
  • High-Quality Materials: With a nickel center electrode tip and a tapered seat type, this spark plug is designed for enhanced reliability and optimal engine performance.
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Champion – Copper Plus Spark Plug (RV15YC4): Dependable Performance & Durability (Part No.18)

Copper Plus Spark Plug (RV15YC4): Dependable Performance & Durability

from

$3.99
The Copper Plus spark plug is engineered for dependable performance and durability, making it a reliable choice for maintaining optimal engine function. Featuring a copper core center electrode, it delivers enhanced conductivity and precise heat control, ensuring good overall wear and extending the plug’s lifespan. Its nickel center electrode tip and tapered seat type further enhance reliability and engine performance. Built to ISO and SAE Standards, this spark plug guarantees proven performance and superior corrosion resistance, making it a durable option for long-term use. Designed as a standard replacement, it offers consistent functionality and compatibility with a wide range of vehicles. Whether you’re seeking improved heat management or reliable ignition, this spark plug is crafted to meet your needs with exceptional value.

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 plug’s life.
  • Reliable Nickel Center Electrode Tip: Featuring a nickel center electrode tip and a tapered seat type, this spark plug ensures enhanced reliability and optimal engine performance.
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Champion – Copper Plus Spark Plug (RV17YC): Dependable Performance & Durability (Part No.25)

Copper Plus Spark Plug (RV17YC): Dependable Performance & Durability

from

$3.99
Copper Plus spark plug delivers dependable performance and durability, making it a reliable choice for your vehicle. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. The nickel-tipped center and ground electrodes provide superior corrosion resistance, ensuring optimal performance even in challenging conditions. Designed to meet ISO and SAE Standards, this spark plug guarantees proven reliability and compatibility with standard replacement needs. Its tapered seat type and built-in resistor further enhance functionality, making it a practical solution for maintaining engine efficiency. Choose this spark plug for a balance of quality, durability, and value.

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
See More

ACDelco – RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Enhances Durability (Part No.2)

RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Enhances Durability

from

$6.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Ribless insulator helps optimize plug to boot seal
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • High-Quality Suppressors: ACDelco Gold RAPIDFIRE Spark Plugs feature high-quality suppressors that help prevent misfiring, ensuring reliable performance for everyday use.
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NGK – G-Power Spark Plug (YR5GP): Enhanced Durability & Fuel Efficiency (Part No.2953)

G-Power Spark Plug (YR5GP): Enhanced Durability & Fuel Efficiency

from

$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:
  • 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
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NGK – V-Power Nickel Spark Plug (YR5): Enhanced Ignitability & Reliability (Part No.7052)

V-Power Nickel Spark Plug (YR5): Enhanced Ignitability & Reliability

from

$6.99
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.

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.
  • Reliable Performance: NGK V-Power spark plugs deliver consistent and reliable performance, making them a dependable choice for your vehicle’s ignition system.
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Champion – Copper Plus Spark Plug (RV12YC): Dependable Performance & Durability (Part No.406)

Copper Plus Spark Plug (RV12YC): Dependable Performance & Durability

from

$4.99
The Copper Plus Spark Plug (RV12YC) is engineered for dependable performance and durability, making it a reliable choice for maintaining your engine’s efficiency. Featuring a copper core center electrode, it ensures accurate heat range control for extended lifespan and consistent engine performance. Built to ISO and SAE Standards, this spark plug delivers proven reliability while resisting corrosion for long-term use. Its standard center electrode design and nickel tip materials enhance conductivity and heat management, ensuring smooth operation and reduced wear. With a tapered seat type and integrated resistor, this spark plug is an ideal OE replacement that combines high-quality materials with superior functionality. Whether you’re seeking improved engine performance or a durable solution, the Copper Plus Spark Plug offers exceptional value and reliability.

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
  • Dependable Performance: The Champion Copper Plus Spark Plug ensures reliable and consistent engine performance, making it an ideal OE replacement.
  • High-Quality Materials: With a standard center electrode design and nickel tip materials, this spark plug delivers enhanced reliability and helps maintain your engine’s efficiency.
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Dorman – Help – Spark Plug Non-Foulers – 14mm Tapered Seat (Part No.42006)

Spark Plug Non-Foulers - 14mm Tapered Seat

from

$7.59
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
  • Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
  • Durable construction – made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Most Popular Spark Plugs for 1981 GMC C7000s

Enhance your 1981 GMC C7000 with one of the 6 Spark Plugs we have in stock, starting at just $3.49.

ACDelco – RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Maximizes Durability (Part No.10)

RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Maximizes Durability

from

$7.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Ribless insulator helps optimize plug to boot seal
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • High-Quality Suppressors: ACDelco Gold RAPIDFIRE Spark Plugs feature high-quality suppressors that help prevent misfiring, ensuring smooth and reliable engine performance.
  • Single Platinum Performance: Designed with a platinum center electrode tip, these spark plugs offer enhanced durability and consistent performance for everyday use.
See More

Dorman – Help – Spark Plug Non-Foulers – 14mm Tapered Seat (Part No.42006)

Spark Plug Non-Foulers - 14mm Tapered Seat

from

$7.59
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
  • Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
  • Durable construction – made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

ACDelco – Double Platinum Spark Plug: Long-Lasting Performance & Durability (Part No.41-803)

Double Platinum Spark Plug: Long-Lasting Performance & Durability

from

$10.99
ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. 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. 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:
  • 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 Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
See More

Champion – Copper Plus Spark Plug (RV8C): Dependable Performance & Durability (Part No.121)

Copper Plus Spark Plug (RV8C): Dependable Performance & Durability

from

$3.49
The Copper Plus Spark Plug (RV8C) is engineered for dependable performance and durability, making it a reliable choice for maintaining engine efficiency. Featuring a copper core center electrode, it ensures accurate heat range control for extended lifespan and consistent functionality. Built to ISO and SAE Standards, this spark plug delivers proven performance while offering superior corrosion resistance for long-term reliability. Its nickel center electrode tip and tapered seat design enhance conductivity and optimize engine performance, making it an ideal OE replacement. With a standard-grade design and resistor type, this spark plug is crafted from high-quality materials to provide reliable ignition and smooth operation. Whether you’re seeking improved wear or consistent engine performance, the Copper Plus Spark Plug delivers exceptional value and durability.

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
  • Dependable Performance: The Champion Copper Plus Spark Plug ensures reliable and consistent performance, making it an ideal OE replacement for maintaining engine efficiency.
  • High-Quality Materials: With a nickel center electrode tip and a tapered seat type, this spark plug is designed for enhanced reliability and optimal engine performance.
See More

ACDelco – Copper Core Spark Plug: Reliable Heat Transfer & Durability (Part No.R42T)

Copper Core Spark Plug: Reliable Heat Transfer & Durability

from

$3.99
ACDelco Professional 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.

Product Features:
  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
  • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
  • Available for use in Marine applications
  • Nickel Center Electrode Tip: Designed with a nickel center electrode tip, these spark plugs provide durability and consistent performance.
  • Outstanding Suppression Characteristics: These spark plugs offer excellent suppression characteristics, contributing to the overall reliability of your vehicle’s engine.
  • Conical Seat Type: The conical seat type ensures a secure fit, enhancing the overall functionality and performance of the spark plugs.
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Autolite – Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (Part No.144)

Copper Resistor Spark Plug: Quick Starts & Enhanced Durability

from

$3.99
Autolite Copper spark plugs are designed to provide reliable performance and durability, making them an excellent choice for maintaining your vehicle’s efficiency. Featuring a copper core center electrode, these spark plugs ensure optimal thermal control and resist fouling, while the high nickel alloy center and ground electrodes deliver extended life. The high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation, offering superior strength and reliability. With a nickel-plated shell, these spark plugs are corrosion-resistant, ensuring long-lasting durability even in demanding conditions. The standard center electrode design with a short projection and nickel tip material ensures consistent performance, while the tapered seat type and built-in resistor further enhance functionality. Ideal for quick starts and dependable power, these spark plugs meet the needs of regular-grade applications, providing excellent value and performance for your vehicle.

Product Features:
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • The built-in resistor minimizes electrical interference, ensuring smoother engine performance and reliable functionality.
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Top-Rated Spark Plug Brands For Your 1981 GMC C7000

When it comes to finding the perfect Spark Plug for your 1981 GMC C7000, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Spark Plug brands including ACDelco and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $7.59. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 1981 GMC C7000, providing peace of mind with parts that meet or exceed OEM standards.

Popular ACDelco 1981 GMC C7000 Spark Plugs

If you’re looking for a top-quality Spark Plug for your 1981 GMC C7000, Advance Auto Parts has exactly what you need with our selection of ACDelco Spark Plugs. We have 1 ACDelco Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99, you’ll find the perfect Spark Plug for your needs and budget. ACDelco Spark Plugs for the 1981 GMC C7000 come highly rated, with over 2 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 Dorman 1981 GMC C7000 Spark Plugs

For those in search of a high-quality Spark Plug for their 1981 GMC C7000, Advance Auto Parts offers a great selection of Dorman Spark Plugs. With 1 Dorman 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 $7.59, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.2 stars, Dorman Spark Plugs provide both reliability and excellent performance. Choosing a Dorman Spark Plug from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Spark Plug Non-Foulers - 14mm Tapered Seat
from $7.59
(1)
Spark Plug Non-Foulers – 14mm Tapered Seat
“Installed and working great”

FAQs for 1981 GMC C7000 Spark Plugs

What are the best-selling Spark Plugs for 1981 GMC C7000s?

Out of 6 Spark Plugs that fit 1981 GMC C7000s, the following parts are the top sellers:

What’s the price range for 1981 GMC C7000 Spark Plugs?

The prices of Spark Plugs for the 1981 GMC C7000 range from $3.49 up to $10.99 for the most premium parts.

What is the average price of a Spark Plug for a 1981 GMC C7000?

The average price for Spark Plugs for the 1981 GMC C7000 is $5.71. 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 C7000 model years?

Yes, we carry Spark Plugs for 10 model years of GMC C7000s between 1979 and 1990. The following model years are the most popular for Spark Plug purchases: 1990, 1989, 1988, 1987, 1986, 1985, 1984, 1983, and 1982.

What are the cheapest Spark Plugs for my 1981 GMC C7000?

Does Advance Auto Parts sell Spark Plugs for any other 1981 GMC models?

Yes. We stock Spark Plugs for 15 other popular 1981 GMC models. Some of the most popular are 1981 Jimmy Spark Plugs, 1981 K2500 Spark Plugs, 1981 C2500 Spark Plugs, 1981 K1500 Spark Plugs, and 1981 C1500 Spark Plugs.

What are the top-rated Spark Plugs that fit the 1981 GMC C7000?

The one 1981 GMC C7000 Spark Plug we have in stock is the Copper Plus Spark Plug (RV8C): Dependable Performance & Durability. It costs $3.49.

What types of Spark Plugs do you sell for my 1981 GMC C7000?

We currently have just 1 Spark Plug in stock for a 1981 GMC C7000, and as of 11/2/25, it is a Spark Plug.

Can I get help with 1981 GMC C7000 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 C7000 Spark Plugs?

Advance Auto Parts keeps returns simple. For new GMC C7000 Spark Plugs and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.