Best spark plugs for GMC Sierra 2023

Does your GMC Sierra engine need a boost? You may not think much about the spark plugs, but choosing the right ones is key to your truck’s performance.

This complete buying guide will help you choose the best spark plugs for GMC Sierra 2023 so you can get back on the road.

Best spark plugs for GMC Sierra 2023

  1. 9748HH Spark Plug (Editor’s pick)
  2. NGK Platinum Spark Plugs (Best Overall)
  3. ANSIKE Spark Plugs (Budget Friendly)
  4. Bosch 9602 Spark Plug 
  5. CNPAPC Spark Plugs 
  6. Trolling MAN  Spark Plugs
  7. UpsourceTech Iridium

1) 9748HH Spark Plug

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The 9748HH Spark Plug is a suitable choice for the Cadillac Escalade as it comes with an array of features that provide reliable performance. Its copper core ensures efficient heat dissipation and conductivity, which is crucial for ignition in high-performance engines. Additionally, it is designed to withstand high temperatures, making it a perfect fit for the Escalade’s powerful engine.At just 5 ounces, this spark plug is lightweight and easy to install, which is a plus for those who prefer a hassle-free replacement process. Its durable construction ensures that it will last for an extended period without the need for frequent replacements, making it a cost-effective option.

Overall, the 9748HH Spark Plug’s temperature resistance, copper core, and lightweight design make it a reliable and efficient option for the Cadillac Escalade, providing reliable ignition and superior performance for your vehicle.

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2) NGK Platinum Spark Plugs

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The NGK Platinum Spark Plugs are designed to provide reliable ignition and efficient combustion for gasoline engines. One of the key features of these spark plugs is their ability to prevent pre-ignition, which can cause engine damage and reduce performance. The platinum construction also helps to reduce wear and improve durability, making these spark plugs a good choice for high-performance applications. Another benefit is the design of the spark plug, which includes a unique shape that promotes efficient combustion gas flow, resulting in improved fuel efficiency and reduced emissions.

These spark plugs measure 7.72 x 4.92 x 1.06 inches, making them a standard size for many vehicles. The G-Power feature further enhances performance by providing a more powerful spark, which can improve throttle response and acceleration. Overall, the NGK Platinum Spark Plugs are a reliable and efficient choice for gasoline engine ignition.

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3) ANSIKE Spark Plugs

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The ANSIKE Spark Plugs are a reliable and durable option for those in need of high-quality spark plugs. One standout feature is their Boots Protection, which effectively shields the boots from heat and other external factors, thereby increasing their longevity. Additionally, these spark plugs are designed to reduce ignition, ensuring smooth and efficient operation of your engine.Another noteworthy aspect of the ANSIKE Spark Plugs is their 10.5mm size, which makes them suitable for a wide range of applications. Whether you have a standard or high-performance engine, these spark plugs are capable of delivering optimal performance.

Moreover, the ANSIKE Spark Plugs are non-conductive, which means that they can withstand high temperatures without causing electrical interference. This feature is particularly beneficial for those who operate in extreme conditions or use sensitive electronic equipment.

Overall, if you are looking for spark plugs that offer reliable performance and protection, the ANSIKE Spark Plugs are an excellent choice. Their Boots Protection, ignition reduction, 10.5mm size, and non-conductive nature make them a top contender in the market.

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4) Bosch 9602 Spark Plug

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The Bosch 9602 Spark Plug is a top-performing spark plug that guarantees an impressive performance for your engine. These spark plugs come in a pack of eight and feature a compact design that measures 5.75 x 5.24 x 2.05 inches, making them easy to install and replace. One notable feature of these spark plugs is their iridium composition, which provides excellent durability and longevity. The iridium alloy construction also enables the spark plugs to deliver a consistent spark for improved engine efficiency and better fuel economy.

Moreover, the Bosch 9602 Spark Plugs offer a reliable ignition even under harsh driving conditions. They are compatible with a wide range of vehicles, and their advanced design ensures precise fit and optimal performance. If you’re looking for a spark plug that delivers top-notch performance and unmatched reliability, the Bosch 9602 Spark Plug is an excellent choice.

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5) CNPAPC Spark Plugs

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CNPAPC Spark Plugs are a reliable and efficient option for your Pontiac vehicle’s ignition system. These spark plugs are designed to provide high thermal conductivity, which allows for efficient heat transfer from the combustion chamber to the cooling system. This feature helps prevent overheating and engine damage.Furthermore, the ceramic insulator used in the CNPAPC Spark Plugs helps to provide excellent electrical insulation and thermal stability, which is essential for reliable engine performance. The insulator also helps prevent flashover and misfires.

The ignition gap on the CNPAPC Spark Plugs is accurately set to ensure consistent ignition and combustion, resulting in improved fuel efficiency and power output. Overall, CNPAPC Spark Plugs are an excellent choice for Pontiac owners who want to ensure optimal performance and reliability from their vehicle’s ignition system.

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6) Trolling MAN  Spark Plugs

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The Trolling MAN Spark Plugs are an exceptional product that boasts of premium quality. The plug’s construction is solid, and the materials used are of the highest quality. This ensures that the plugs perform optimally, making them a must-have for anyone looking for reliable spark plugs.The Trolling MAN Spark Plugs have dimensions of 4.37 x 3.54 x 2.64 inches, which makes them suitable for use in a wide range of engines. The size ensures that the plugs fit snugly, preventing any unwanted movement that could lead to damage or poor performance.

Overall, the Trolling MAN Spark Plugs are an excellent choice for anyone looking for reliable, high-quality spark plugs. They are well-constructed, perform optimally, and have the perfect size to fit a wide range of engines. If you’re looking for spark plugs that offer premium quality and optimal performance, look no further than the Trolling MAN Spark Plugs.

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7) UpsourceTech Iridium

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UpsourceTech’s Iridium is an outstanding product that offers exceptional performance and durability. It is specifically designed to be a perfect fit for the Tahoe Suburban, making it an ideal choice for vehicle owners who value compatibility and ease of use.One of the most remarkable features of the Iridium is its high-performance capabilities, which allow it to withstand extreme conditions and deliver consistent results over time. Additionally, the UL94 Quality rating ensures that the product meets the highest standards for safety and reliability, providing peace of mind for users.

Overall, the Iridium is an excellent investment for anyone seeking a top-of-the-line product for their Tahoe Suburban. Its combination of high-performance, quality, and perfect fit makes it a standout choice that is sure to impress even the most discerning users.

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Best spark plugs for GMC Sierra 2023-Complete Buying Guide

GMC Sierra 2023 trucks are the perfect choice for those looking for a reliable and powerful vehicle. As with any other vehicle, it is important to maintain the same level of performance with regular maintenance and timely replacements of key components like spark plugs.

Champion® - Chevy HHR 2008 Double Platinum Power Spark Plug

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This guide is designed to help you find the best spark plugs for your GMC Sierra 2023. We will provide an overview of what to look for when choosing spark plugs, as well as a review of the top five spark plugs available in the market today. You can also use this guide to troubleshoot any common problems or questions that may arise while selecting or installing new spark plugs in your GMC Sierra 2023.

8 pc NGK V-Power Spark Plugs compatible with GMC Sierra 2500 HD 6.0L V8 2001-2017 Ignition Wire Secondary

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Thanks for reading and we hope this helps you find the perfect spark plug set for your GMC Sierra 2023!

Explanation of what spark plugs are and why they’re important for vehicle performance

Spark plugs are essential components of any engine and play a vital role in the performance of a vehicle. They are designed to create the spark needed to ignite the air-fuel mixture in the combustion chamber, creating an efficient internal combustion cycle. Essentially, spark plugs create an electrical bridge between electrodes inside an engine, allowing a voltage (spark) to make its way from one side of the cylinder to the other. The spark ignites that mixture for a complete combustion process and combusts fuel within that cylinder for increased power and efficiency.

Spark plugs often require regular replacement when used in traditional gasoline engines due to wear from heat and vibration over time. As with many other parts related to vehicle maintenance, spark plug selection can be tailored to fit applications like temperature range or fuel type. Selecting the wrong type of spark plug could lead to premature wear or even engine damage if not replaced or upgraded when necessary.

Given their importance in controlling an efficient internal combustion cycle, understanding what kind of performance you need out of your vehicle is essential when choosing or replacing spark plugs for GMC Sierra 2023 models. Selecting among options such as cold weather performance, fuel economy or longer life can make all the difference when it comes to optimal vehicle performance. Stay aware of your service intervals and be sure your technician is using OEM parts that fit specifications recommended by your vehicle manufacturer (if required).

Brief overview of the GMC Sierra 2023

GMC’s Sierra 2023 is a robust and powerful full-size pickup truck. It comes with advanced driver assist technologies, including safety alert driver seat, automatic emergency braking and lane keep assist.

The Sierra 2023 is powered by either a 2.7-liter turbocharged four-cylinder or a 6.2-liter V8 engine. To make sure your engine performs at peak efficiency and power levels, it’s important to select the right spark plugs for your GMC Sierra 2023.

As with any investment in vehicle maintenance, choosing quality spark plugs is essential to ensuring maximum reliability and performance from your powerful truck. In this buying guide, we’ll discuss what to look for when selecting spark plugs for your GMC Sierra 2023 pickup truck so you can ensure many years of trouble free use on the road ahead.

Factors to consider when choosing spark plugs

Before you buy spark plugs for your GMC Sierra 2023, there are several factors you should consider. Initially, make sure that you select the properly sized spark plugs for your vehicle. Spark plugs for a GMC Sierra 2023 will typically be one size – 14mm x .750″ – 19 threads. Additionally, the heat range should also match the original equipment manufacturer (OEM) specification. Keeping this in mind, here are some other essential points to check out before making a purchase.

  1. The material of construction: Most spark plugs use pure nickel or platinum construction with some also containing yttrium or iridium to aid performance under high temperatures. 
  2. Resistor type: In order to prevent voltage loss and radio frequency interference (RFI), resistor-type spark plugs may be required in certain vehicles with an on-board computer or radio system. Resistor-type spark may have different thread lengths dependent on the application and will often feature ribbed insulation jackets to aid dissipation of RFI interference waves generated through normal operations of the vehicle motor system
  3. GapSizes: A suitable gap size should be selected based on engine power output as well as general maintenance requirements and manufacturer’s recommendations specific your vehicle

4.Specialty Requirements: Depending on the design of your engine, special spark plug requirements may exist in terms of length, diameter, thread type and material used in construction.

Type of spark plug (copper, platinum, iridium, etc.)

One of the most important aspects to consider when buying spark plugs for vehicles is the type of spark plug. Spark plugs come in several types including copper, platinum, iridium and double platinum; each with its own benefits depending on the application.

Copper spark plugs are known for their durability and affordability, making them a popular choice among do-it-yourselfers. Copper is an effective conductor and therefore provides a hotter spark that may improve gasoline combustion and create a smoother running engine at a lower cost than other types of spark plugs.

Platinum spark plugs are designed to reduce emissions, increase fuel efficiency and boost performance. Platinum stimulates higher temperatures in the combustion chamber due to its elevated melting point, resulting in decreased fuel consumption by as much as 1%.

Iridium spark plugs provide superior ignitability – meaning they ignite quicker – compared to other types of spark plugs because they have a much higher melting point. They also have an extended lifespan due to their ability to resist oxidation which prevents build up on the electrode. Iridium is commonly used in high performance engines that require more power output than other engines.

Double platinum spark plugs contain two layers of precious metal material that help resist wear and tear better than single platinum versions; this makes them more durable and capable of producing higher ignition energy than copper or single platinum versions. Double platinum also has less tendency towards pre-ignition which can prolong engine life when dealing with high compression ratios or turbocharged applications.

Heat range

Heat range refers to the spark plug’s ability to dissipate heat from its tip. It is represented by a number that varies between different spark plug manufacturers. GMC Sierra 2023 requires spark plugs with a specific heat range, in order for the engine to operate optimally. This is due to the vehicle’s higher operating temperature and intense engine load, which can seriously damage the spark plug if it isn’t able to withstand these extreme conditions. Spark plug misfires can also occur if a wrong heat range has been chosen instead of one that is perfectly matched for the vehicle’s heat and load.

In general, spark plugs with higher numbers represent those equipped with wider insulators, capable of dissipating more heat from their tips than the plugs with lower numbers have. GMC Sierra 2023 requires a mid-range spark plug heat number in order for its engine to run without any trouble and increase fuel efficiency as well as performance. The right choice of spark plugs should be carefully selected, as this will ensure that your vehicle runs at an optimal level every time you drive it.

Size and thread reach

When selecting a spark plug for a GMC Sierra 2023, it is important to consider the size and thread reach of the spark plug. Generally speaking, there are two main types of spark plugs available for GMC Sierra 2023: short threaded and long threaded.

Short threaded plugs are used with small engine displacement vehicles (1.0-2.0 L) and long threaded plugs are used with large engine displacement vehicles (4.0L+). The size and thread reach you select will depend on your vehicle’s make and model as well as its engine type and engine displacement.

Additionally, it is important to select a spark plug with the correct electrode configuration for your specific vehicle application; incorrect configurations can cause misfires or poor performance.

III. Top spark plug options for the GMC Sierra 2023

When purchasing the perfect spark plug for your GMC Sierra 2023, there are several things to consider. The most important factor is to make sure you select a compatible spark plug. There are various types of spark plugs, so it is important to familiarize yourself with the specific type your vehicle requires.

Below are some of the top options for compatible spark plugs for the GMC Sierra 2023:

-NGK G-Power Platinum Spark Plugs -Denso Iridium Long Life Spark Plugs -Accel Extreme 9000 Ceramic Spark Plugs -Autolite Double Platinum Spark Plugs -ACDelco Professional Conventional Spark Plugs -Bosch Iridium Fusion Spark Plug

Each option comes with distinct features that can help optimize engine performance and fuel efficiency in your car. Make sure you research which option would work best for your specific needs and was created specifically for your vehicle model before making a purchase decision!

Denso Iridium Power Spark Plug

Denso is a global leader in automotive engineering, and their Iridium Power Spark Plug is a perfect fit for the GMC Sierra 2023. This spark plug is designed using iridium-enhanced centers for enhanced durability, corrosion resistance and spark energy generation. It has an extended service life that will withstand up to 100,000 miles of use. With superior starts and quick acceleration, these plugs are an ideal choice for your GMC Sierra 2023.

Plus, the design allows for maximum combustion efficiency by ensuring efficient combustion of fuel and air, which leads to improved fuel economy. Furthermore, this plug uses a laser-welded ground electrode to make it resilient against spark blowouts and eliminates the need for a resistor. It’s also built with triple seals that help protect against carbon buildup to provide reliable performance in all conditions – as well as helping promote a better idle engine speed compared to other spark plugs on the market today.

The Denso Iridium Power Spark Plug is an excellent choice to ensure reliable performance from your GMC Sierra 2023 – backed by Denso’s guarantee of quality and reliability.

NGK G-Power Platinum Spark Plug

The NGK G-Power Platinum Spark Plug is designed to provide the best performance and longest life possible in your GMC Sierra 2023 engine. Constructed with a 0.6mm laser welding technology, these high-performance spark plugs are built to last as long as your vehicle.

With an OE approved triple gasket seal, they are also designed to reduce the risk of leakage while providing a stable spark across all ranges of engine speeds and temperatures. Furthermore, this plug features a colder heat range to keep your GMC Sierra’s engine running cooler.

In addition, the G-Power technology provides improved ignitability by optimizing the firing ability of fuel molecules within the combustion chamber. As one of the most advanced spark plugs available for your GMC truck, it is sure to deliver enhanced performance and longer lifespans for many miles down the road.

ACDelco Professional Iridium Spark Plug

The ACDelco Professional Iridium spark plugs are an excellent choice for GMC Sierra owners looking to ensure maximum engine performance and longevity. These spark plugs provide superior ignitability, durability and fuel economy compared to other spark plug designs, making them a great option for those who want to make sure they get the most out of their vehicle.

These plugs can sustain 6000 RPMs or higher and still deliver excellent performance. They also feature a fine-wire design that ensures a precise fit in most models of GMC Sierra trucks, leading to enhanced starting performance and smoother idling.

In addition to superior ratings for ignitability and wear resistance, these spark plugs incorporate an iridium-tipped electrode designed to improve fuel economy without sacrificing power output.


When selecting the best spark plugs for your GMC Sierra 2023, there are a few important things to consider. The type of engine and fuel system you have will depend on which type of plug is best for your vehicle and the environment you drive it in. Spark plugs can also come in different sizes, materials, and heat ranges, so it is important to understand which function your truck needs and matches those specifications when buying.

Once you’ve decided which spark plug to go with, make sure to inspect the plugs first or replace them yourself if changes are needed. While most automotive stores offer large selections at reasonable prices, it’s always advisable to compare quality between brands before making a purchase. While not always necessary, changing a spark plug every 30,000 miles or three years is an effective way to ensure optimal performance of your GMC Sierra 2023.


What brand of spark plugs does GM use?  

GM uses ACDelco spark plugs as their original equipment manufacturer (OEM) spark plugs.

When should I change my spark plugs on GMC Sierra?  

 It is recommended to change the spark plugs on a GMC Sierra every 100,000 miles or as specified in the owner’s manual.

What are the highest quality spark plugs?   

The highest quality spark plugs are typically considered to be iridium or platinum spark plugs, which offer better performance and longevity than traditional copper spark plugs.

 Is iridium IX better than laser platinum?  

 It depends on the specific application and the requirements of the engine. Generally, iridium IX spark plugs are designed for high-performance engines, while laser platinum spark plugs are designed for engines that require long-lasting performance.

Should I get platinum or iridium spark plugs?   

Both platinum and iridium spark plugs offer superior performance and longevity compared to traditional copper spark plugs. Iridium spark plugs are typically recommended for high-performance engines, while platinum spark plugs are better suited for engines that require long-lasting performance.

Is it worth buying iridium spark plugs?   

Yes, iridium spark plugs are worth buying if you have a high-performance engine or want to improve the performance and fuel efficiency of your vehicle. They offer superior performance and longevity compared to traditional copper spark plugs.

What spark plugs are better than NGK?  

There are several brands of spark plugs that are comparable or better than NGK, including ACDelco, Denso, Bosch, and Champion. The best spark plug for your vehicle depends on the specific application and the requirements of the engine.

Do higher quality spark plugs make a difference?   

Yes, higher quality spark plugs can make a significant difference in the performance and fuel efficiency of your vehicle. They offer better ignition and combustion, which can improve acceleration, power, and fuel economy.

What is better spark plugs copper or platinum or iridium?  

 Platinum and iridium spark plugs are generally considered to be better than copper spark plugs, as they offer superior performance and longevity. Iridium spark plugs are the most advanced and offer the highest level of performance.

Are Bosch iridium spark plugs good?   

Yes, Bosch iridium spark plugs are a high-quality option for those looking to upgrade their spark plugs. They offer superior performance and longevity compared to traditional copper spark plugs. However, the best spark plug for your vehicle depends on the specific application and the requirements of the engine.


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