GMC S300 Spark Plugs

Your One-Stop Shop For Trusted GMC S300 Spark Plugs

If you’re in search of GMC S300 Spark Plugs aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 9 Spark Plugs from top brands with prices ranging from $1.99 to $7.99.

Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your GMC S300.

And don’t forget to read customer reviews across all Spark Plugs categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Spark Plugs have to cost top dollar, and we prove it. Browse our top GMC S300 Spark Plugs below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential GMC S300 Spark Plugs

Champion – Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J8C (Part No.841)

Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J8C

from

$3.79
Dependable Performance, OE Replacement, J8C. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. Built to ISO and SAE standards, it offers dependable performance and durability. The OE type replacement plug resists fouling and boasts superior corrosion resistance. Its copper core center electrode allows for accurate control of heat range, ensuring a longer life, while the nickel center electrode tip material and flat seat type further enhance its reliability.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • OE type replacement plug
  • Resists fouling
  • 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
  • Increased Conductivity and Heat Control: The Champion Copper Plus Small Engine Spark Plug features a copper core electrode that enhances conductivity and heat management, ensuring good overall wear.
  • Enhanced Reliability: With a nickel center electrode tip material and flat seat type, this spark plug provides enhanced reliability and consistent performance for small engines.
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ACDelco – Conventional Nickel Tip Copper Core Spark Plug: Reduces Corrosion & Maximizes Durability (Part No.R43)

Conventional Nickel Tip Copper Core Spark Plug: Reduces Corrosion & Maximizes Durability

from

$5.99
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
  • 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
  • Nickel Center Electrode Tip: Features a nickel center electrode tip for enhanced reliability and efficient performance in various driving conditions.
  • Outstanding Suppression Characteristics: Engineered with outstanding suppression characteristics to deliver reliable performance and reduce radio frequency interference.
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ACDelco – Conventional Nickel Tip Copper Core Spark Plug: Maximizes Durability & Heat Transfer (Part No.R45)

Conventional Nickel Tip Copper Core Spark Plug: Maximizes Durability & Heat Transfer

from

$5.99
ACDelco Gold (Professional) Conventional Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These Conventional Spark Plugs are designed for reliability and efficient performance, and are the high quality replacements 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 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:
  • 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
  • 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
  • Nickel Center Electrode Tip: Designed with a nickel center electrode tip, these spark plugs ensure efficient performance and longevity.
  • Outstanding Suppression Characteristics: These spark plugs offer excellent suppression characteristics, contributing to their reliable performance in various driving conditions.
  • Resistor Type with Gasket Seat: Equipped with a resistor type and a gasket seat, these spark plugs are designed for optimal performance and compatibility with a wide range of vehicles.
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Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat (Part No.42000)

Spark Plug Non-Foulers - 14mm Gasket Seat

from

$7.99
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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Autolite – Copper Non-Resistor Spark Plug – Display Pack (Part No.295DP)

Copper Non-Resistor Spark Plug - Display Pack

from

$1.99
Autolite® Small Engine spark plugs are designed to meet the needs of your mower, tractor, chainsaw, snowblower, leaf blower, and more: ensuring that your outdoor equipment continues to operate and meet expectations all year long.

Product Features:
  • Specially engineered high nickel alloy center and ground electrode provides extended life.
  • It¿s multi-rib ceramic insulator reduces danger of flash-over while its copper-glass seal bonds the center electrode and terminal post, providing a gas-tight internal seal.
  • It┐s multi-rib ceramic insulator reduces danger of flash-over while its copper-glass seal bonds the center electrode and terminal post, providing a gas-tight internal seal.
  • Designed with a cold-formed steel shell precision rolled threads that provide greater durability and reduced wear.
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Autolite – Copper Resistor Spark Plug (Part No.303)

Copper Resistor Spark Plug

from

$3.99
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.

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.
  • Good Fuel Economy: Designed to optimize fuel combustion, these spark plugs help improve your vehicle’s fuel efficiency, saving you money at the pump.
  • Smooth Acceleration: Experience smoother and more responsive acceleration with the advanced engineering of Autolite Copper Spark Plugs.
  • Smooth Acceleration: Experience smoother and more responsive acceleration with the advanced engineering of Autolite Copper Spark Plugs.
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Autolite – Copper Resistor Spark Plug (Part No.306)

Copper Resistor Spark Plug

from

$1.99
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.

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.
  • Good Fuel Economy: Designed to optimize fuel efficiency, these spark plugs help you get the most out of every gallon.
  • Smooth Acceleration: Experience smoother acceleration with Autolite Copper Core spark plugs, enhancing overall driving performance.
  • OES Design Compliance: These spark plugs meet or exceed Original Equipment Service (OES) design requirements, ensuring high-quality performance.
  • Gasket Seat Type: Featuring a gasket seat type, these spark plugs provide a secure and effective seal for optimal engine function.
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Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ8C (Part No.871)

Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ8C

from

$2.49
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • OE type replacement plug
  • Resists fouling
  • 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
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Champion – Champion Copper Plus Small Engine- Single Card – J8C (Part No.841-1)

Champion Copper Plus Small Engine- Single Card - J8C

from

$2.99
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product Features:
  • Resists fouling
  • Superior corrosion resistance
  • Dependable and proven performance
  • Increased conductivity and heat control for good overall wear
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Spark Plugs Brands You Can Trust For Your GMC S300

4 trusted brands of Spark Plugs line our shelves, ready to help keep your GMC S300 running smooth. Below are some of the most popular brands and their top Spark Plugs offerings:

Most Purchased GMC S300 Spark Plugs from ACDelco

When you buy the most frequently purchased ACDelco brand Spark Plugs, you can be confident it will be the right part for your GMC S300. Here are the ACDelco Spark Plugs Advanced Auto customers buy the most:

FAQs for GMC S300 Spark Plugs

What are the most purchased Spark Plugs for the GMC S300?

Out of 9 Spark Plugs for the GMC S300, the most popular in our inventory are:
Copper Resistor Spark Plug
from $3.99
(6)
Copper Resistor Spark Plug
Spark Plugs

What are the top-rated GMC S300 Spark Plugs?

Top-rated Spark Plugs for your GMC S300 based on customer reviews/ratings are:
Copper Resistor Spark Plug
from $1.99
(3)
Copper Resistor Spark Plug
“AutoLite spark plug was fine, as I expected. Service received from Advance Auto was terrible.”
Copper Non-Resistor Spark Plug - Display Pack
from $1.99
(3)
Copper Non-Resistor Spark Plug – Display Pack
“Put a new plug, air filter, oil change each spring and your mower will last years. Not to mention it will run better.”
Spark Plug Non-Foulers - 14mm Gasket Seat
from $7.99
(1)
Spark Plug Non-Foulers – 14mm Gasket Seat
“This simple device allows the spark plugs to remain clean and free of oil on engines that burn oil and that would otherwise foul the plugs. Used a few”