Best glow plugs for duramax

Welcome everyone! Are you tired of dealing with faulty glow plugs on your Duramax engine? Well, look no further because today I am going to share with you the best glow plugs for Duramax that will solve all your problems! As a fellow Duramax owner, I understand the frustration and inconvenience that comes with unreliable glow plugs. That’s why I have done extensive research to find the most reliable and durable glow plugs on the market.

Duramax engines are known for their power and performance, but if the glow plugs are not functioning properly, it can lead to starting issues, decreased fuel efficiency, and even engine damage. That’s why it is crucial to invest in top-notch glow plugs that ensure a smooth and reliable start every time. In my search for the best glow plugs for Duramax, I have taken into consideration factors such as durability, heat retention, and compatibility. By doing so, I have found a range of glow plugs that guarantee longevity and optimal engine performance.

So, if you are looking to enhance the performance and reliability of your Duramax engine, stay tuned for my recommendations on the best glow plugs available. Trust me, you won’t be disappointed!

The Diesel Glow Plugs 9G for Duramax LLY LML LMM Chevy&GMC LBZ LGH 6.6L, manufactured in the years 2006-2016, are a suitable replacement for the original component found in Silverado, Savana, Sierra, and Express vehicles. These glow plugs can effectively substitute for part number 97364968.

Question: What are the best glow plugs for Duramax engines that are not highly competitive in the market?

Answer: The best low competitive, long tail keyword based on “Best glow plugs for Duramax” would be “Which aftermarket glow plugs work well for Duramax engines with low competition?” These glow plugs offer efficient performance, durability, and are specifically designed for Duramax engines. With low competition in the market, you can find quality aftermarket options that match or even exceed the performance of OEM glow plugs, ensuring reliable engine starting and improved combustion.

What Makes This Best glow plugs for duramax A-grade?

12639701 Diesel Glow Plugs 9G for Duramax LLY LML LMM Chevy & GMC LBZ LGH 6.6L, 2006-2016 Silverado, Savana, Sierra, Express Replaces# 97364968

Diesel Glowplugs Fit for the following Vehicles with GM 6.6L V8 LBZ LGH LLY LML LMM Duramax Engine:

Compatible with Chevrolet Vehicles:

– 2006-2016 Express 2500
– 2006-2016 Express 3500
– 2006-2016 Silverado 2500 HD
– 2007 Silverado 2500 HD Classic
– 2006 Silverado 3500
– 2007 Silverado 3500 Classic
– 2007-2016 Silverado 3500 HD

Compatible with GMC Vehicles:

– 2006-2016 Savana 2500
– 2006-2016 Savana 3500
– 2006-2016 Sierra 2500 HD
– 2007 Sierra 2500 HD Classic
– 2006 Sierra 3500
– 2007 Sierra 3500 Classic
– 2007-2016 Sierra 3500 HD

About the 9G or 61G plugs:

The 9G plugs are the style being offered for Duramax engines in this era and are even what the GM dealer will sell and install now.


# Professional aftermarket replacement glow plugs are manufactured to exceed OE performance glow plug.
# Extremely durable to ensure a long service life.
# Easy to install and perfect replacement for original parts.


# Product Type: Diesel Glow Plug
# Replaces OE Number: 9G, 12639701
# Part Type: Hardware, Fasteners, and Fittings

Package included:

– 8Pcs x 12639701 Glow Plugs


– 1 year warranty. If the glow plug fails on your vehicle, feel free to contact us at any time. We will try our best to solve your problem.


Diesel glow plugs compatible with GM 6.6L V8 LBZ LGH LLY LML LMM Duramax. 12639701 glow plug fits 2006-2016 Chevy Express 2500, 3500 | 2006-2016 Chevy Silverado 2500 HD | 2007 Chevy Silverado 2500 HD Classic, 3500 Classic | 2006 Chevy Silverado 3500 | 2007-2016 Chevy Silverado 3500 HD | 2006-2016 GMC Savana 2500, 3500 | 2006-2016 GMC Sierra 2500 HD | 2007 GMC Sierra 2500 HD Classic, 3500 Classic | 2006 GMC Sierra 3500 | 2007-2016 GMC Sierra 3500 HD glow plug.


These professional aftermarket replacement glow plugs are manufactured to exceed OE performance glow plug. They are extremely durable to ensure a long service life and meet your expectations for fit, form, and function. Glow plugs are easy to install and self-regulating to control electrical flow from the battery as temperatures rise to avoid overheating. They are designed to give diesel engines the necessary heat to run and function properly, especially in cold weather.


9G glow plug replaces #12639701, 97364968. The diesel glow plugs are usually on top of the cylinder head. When replacing them, please follow these steps: remove the glow plug wires; remove the glow plugs carefully one at a time; clean each electrical contact and nut; use a reamer to ream the glow plug hole for each glow plug; replace each plug with new ones and tighten them down with a ratchet; reattach the electrical wires to each glow plug with a nut using a wrench.


Package included: 8Pcs x 12639701 Glow Plugs. All 9G glow plugs are closely inspected and validated to meet the strictest quality standards and ensure a long lifetime. Professional installation is highly recommended as no instructions are included. Please check whether these diesel glow plugs fit your car before purchase. If you are unsure, please provide us with your complete VIN Code, and we will check for you accurately.

What Is The User’s Perspective of the Best glow plugs for duramax

From a user’s perspective, the best glow plugs for a Duramax diesel engine are those that provide reliable and quick start-ups, ensuring smooth and efficient operation. These glow plugs should be durable and long-lasting, capable of withstanding the high temperatures and extreme conditions under the hood. They should also be compatible with the specific model of Duramax engine, fitting snugly into the combustion chamber and offering a perfect spark for ignition. Additionally, user-friendly glow plugs that are easy to install can greatly enhance the overall experience.

One highly recommended option is the Bosch Duraterm Glow Plug. This glow plug is known for its exceptional performance, delivering quick and efficient heating to facilitate easy engine start-ups. Its advanced technology ensures a long lifespan, while also reducing emissions and improving fuel economy. The Bosch Duraterm Glow Plug is designed specifically for Duramax engines, guaranteeing a precise fit and reliable ignition. Users praise its durability and ease of installation, making it a top choice for those looking for high-quality glow plugs that deliver on performance and longevity.

Compare With Similar Brands: Best glow plugs for duramax

1. Bosch Duraterm Glow Plugs

The Bosch Duraterm Glow Plugs are known for their excellent performance and durability. They are designed to provide quick starts and reliable operation in even the coldest conditions. These glow plugs are engineered with a patented dual control regulating system for precise heat control, ensuring optimal combustion and reduced emissions.

2. AC Delco Glow Plugs

AC Delco Glow Plugs are another popular choice for Duramax engines. These glow plugs are designed to deliver quick starts and smooth combustion, even in extreme temperatures. They feature a self-regulating design that provides accurate heat control and consistent performance. AC Delco Glow Plugs are built to meet or exceed OEM specifications, ensuring reliable operation and long-lasting durability.

3. NGK Glow Plugs

NGK Glow Plugs are well-regarded in the automotive industry for their high-quality construction and reliable performance. These glow plugs are built with a durable, corrosion-resistant design that ensures longevity. NGK Glow Plugs have been engineered to provide quick, dependable starts and improve cold start emissions. They are an excellent choice for Duramax engines that require consistent performance in all weather conditions.

4. Motorcraft Glow Plugs

Motorcraft Glow Plugs are designed and manufactured to meet the stringent requirements of Ford vehicles, including those equipped with Duramax engines. These glow plugs feature a premium construction that ensures optimal heat transfer and excellent ignition performance. Motorcraft Glow Plugs are engineered to deliver fast starts and reliable operation, even in the harshest weather conditions.

5. Autolite Glow Plugs

Autolite Glow Plugs are known for their exceptional quality and performance. These glow plugs are designed to provide reliable starting power and efficient combustion in Duramax engines. Autolite Glow Plugs feature a patented heating element that ensures quick heat-up times and optimal temperature control. They are engineered to meet or exceed OEM specifications, guaranteeing consistent operation and durability.

Each of these brands offers high-quality glow plugs for Duramax engines. The choice ultimately depends on personal preferences and specific vehicle requirements.

Significant Measurements: “High-performance Duramax glow plugs”

Quantitative Measurements: Best Glow Plugs for Duramax

1. Durability:
# Lifespan: The best glow plugs should have a long lifespan, typically measured in terms of hours or mileage before replacement.
# Number of cycles: A higher number of cycles reflects the durability of the glow plug, indicating how many times it can ignite fuel without degradation.

2. Heating Time:
# Warm-up time: This metric measures the time it takes for the glow plug to reach its optimal temperature for efficient combustion. A shorter warm-up time is preferable for quick engine start-up.

3. Temperature Reach:
# Maximum temperature: The ability of the glow plugs to reach and sustain high temperatures is important for promoting efficient fuel ignition.
# Heat distribution: The even distribution of heat across glow plugs is crucial for uniform combustion and preventing hot spots.

4. Compatibility:
# Engine compatibility: The glow plugs must be specifically designed for Duramax engines, meeting the necessary specifications and fitting correctly.
# Voltage compatibility: Ensuring that the glow plugs are compatible with the voltage output of the engine’s electrical system is essential for proper functioning.

5. Reliability:
# Failure rate: Quantifying the failure rate of glow plugs provides an understanding of their reliability, measured as a percentage of failures within a given time period.

6. Environmental Performance:
# Energy efficiency: Evaluating the amount of electrical energy consumed by the glow plugs during operation can determine their energy efficiency and contribute to overall vehicle fuel efficiency.
# Emissions: Assessing the impact of glow plugs on emissions, such as particulate matter and greenhouse gases, helps determine their environmental footprint.

7. Cost-effectiveness:
# Price: Comparing the cost of glow plugs in relation to their performance and durability can determine their cost-effectiveness over the long term.
# Maintenance costs: Considering the frequency of glow plug replacements and associated maintenance costs provides insight into the overall cost of ownership.

8. Customer Ratings:
# Customer reviews: Analyzing customer ratings and reviews of glow plugs can help understand their real-world performance and reliability based on users’ experiences.
# User satisfaction: Taking into account customer satisfaction ratings provides an overall measure of the glow plugs’ performance and value for money.

Note: To clarify, the provided headings are already in HTML format. When using Markdown, ensure to remove the HTML tags and convert the headings to appropriate Markdown syntax.

Expert Opinion: What sets something apart from Best glow plugs for duramax competitors?

Differentiated Performance

The best glow plugs for Duramax engines stand out from their competitors due to their superior performance. These glow plugs are specifically designed to ignite the diesel fuel efficiently and quickly, resulting in a smooth and reliable start-up of the engine. They provide a consistent and strong ignition, ensuring optimal combustion and power delivery.

Enhanced Durability

Durability is another area where the top glow plugs for Duramax engines excel. These plugs are made using high-quality materials that are able to withstand the tough operating conditions of diesel engines. They are built to resist corrosion, erosion, and extreme temperatures, ensuring a longer lifespan compared to their competitors. This durability translates to reduced maintenance and replacement costs for vehicle owners.

Engine Compatibility

The best glow plugs for Duramax engines are designed to perfectly fit and function within the specific characteristics of Duramax engines. They are precisely calibrated to match the engine’s requirements, ensuring optimal performance in terms of ignition timing and heat transfer. This compatibility results in improved fuel efficiency, reduced emissions, and enhanced overall engine performance.

Advanced Technology

Leading glow plugs for Duramax engines often incorporate advanced technologies to further enhance their performance. They may feature advanced heating elements that provide faster and more efficient heating. Some models may also utilize advanced materials and insulation techniques to minimize heat loss and improve heat transfer. These technological advancements contribute to better starting capabilities, smoother operation, and improved fuel economy.

Reliability and Customer Satisfaction

Perhaps the most defining factor that sets the best glow plugs for Duramax engines apart from competitors is their proven reliability and high customer satisfaction. These glow plugs have gained a strong reputation for delivering consistent and dependable performance, even in challenging conditions. They often receive positive feedback from vehicle owners who have experienced improved engine performance and reduced issues related to cold starts or engine misfires.

Performance: Best glow plugs for duramax [Based on User’s Experiences]

Improved Design

The latest model of Best glow plugs for Duramax has undergone significant improvements in its design. The manufacturer has paid close attention to feedback from users and identified areas where the previous models fell short. The new design incorporates these improvements to enhance the overall performance and reliability of the glow plugs.

Enhanced Durability

One of the key areas of improvement in the latest release of Best glow plugs for Duramax is their durability. The manufacturer has utilized advanced materials and engineering techniques to ensure that the glow plugs can withstand harsh operating conditions. This enhanced durability translates into a longer lifespan, reducing the need for frequent replacements and saving maintenance costs for Duramax owners.

Improved Heating Efficiency

The performance of the glow plugs in terms of heating efficiency has also seen significant enhancements. The latest model utilizes advanced technology to provide faster and more efficient heating. This translates into quicker engine start-ups and improved overall performance. The improved heating efficiency also helps reduce emissions, leading to a cleaner and more environmentally friendly operation.

Enhanced Reliability

To address previous concerns about reliability, the latest release of Best glow plugs for Duramax incorporates new features that ensure a more reliable operation. The manufacturer has implemented improved connections and insulation to minimize the risk of failure. Furthermore, extensive testing and quality control measures are taken during the manufacturing process to guarantee the reliability of each glow plug.

Better Compatibility and Fit

The latest model of Best glow plugs for Duramax is designed to be compatible with a wider range of Duramax engines. The manufacturer has taken into account different engine configurations and made adjustments to ensure a perfect fit. This improved compatibility eliminates the need for modifications or adjustments during installation, making it easier and quicker for users to replace their old glow plugs with the Best quality ones.

Enhanced Overall Performance

With the combined improvements in design, durability, heating efficiency, reliability, and compatibility, the latest release of Best glow plugs for Duramax offers enhanced overall performance compared to earlier models. Duramax owners can expect improved engine start-ups, increased fuel efficiency, reduced emissions, and a smoother running engine. These enhancements ultimately contribute to better driving experiences and increased satisfaction for users.

Step by Step Installation Guide: Best glow plugs for duramax

Step by Step Installation Guide for Best Glow Plugs for Duramax

1. Prepare the necessary tools:
# Socket set
# Ratchet
# Flathead screwdriver
# Torque wrench
# Glow plug removal tool (if required)
# Anti-seize lubricant
# Shop rags

2. Locate the glow plugs:
# Open the hood of your Duramax vehicle.
# Locate the glow plugs, which are usually near the engine cylinder head and can be identified by their wire connectors.

3. Disconnect the battery:
# Disconnect the negative terminal of the battery to ensure safety during the installation process.

4. Remove necessary components:
# If required, remove any components obstructing access to the glow plugs, such as air intake tubes or engine covers.
# Use the appropriate tools to carefully remove these components and set them aside.

5. Remove the old glow plugs:
# Unscrew the wire connector on each glow plug by hand or using a flathead screwdriver.
# Use a glow plug removal tool (if necessary) to unscrew and remove the old glow plugs from the engine cylinder head.
# Gently twist and pull each old glow plug to remove it completely.

6. Prevent seizing and ensure proper installation:
# Apply a small amount of anti-seize lubricant to the threads of each new glow plug.
# This prevents seizing and promotes ease of removal in the future.
# Be careful not to apply excessive lubricant to the plug’s tip.

7. Install the new glow plugs:
# Carefully screw in each new glow plug by hand until it is finger-tight.
# Use a torque wrench to torque each glow plug to the manufacturer’s recommended specification. (Refer to the product manual for the correct torque value)

8. Reconnect the wire connectors:
# Reattach the wire connectors to each new glow plug by firmly pushing them onto the corresponding terminals.
# Ensure a secure and tight connection for proper functioning.

9. Reinstall any removed components:
# Put back any components that were removed earlier to access the glow plugs.
# Make sure to reattach them properly and securely.

10. Reconnect the battery:
# Reconnect the negative terminal of the battery that was previously disconnected.
# Double-check all connections and ensure they are properly tightened.

11. Test the new glow plugs:
# Start your Duramax engine and let it idle for a few minutes.
# Observe the performance and check for any abnormal behaviors or warning lights.
# If everything appears normal, the installation of the new glow plugs is successful.

Remember to consult your vehicle’s specific owner’s manual and the instructions provided by the manufacturer of the glow plugs for any additional guidance or specific procedures.

Fixing Basic Errors Of The Best glow plugs for duramax In Your Home

Basic Errors and Solutions for Best Glow Plugs for Duramax

1. Error: Incorrect Plug Compatibility
# Solution: Ensure that the glow plugs you are purchasing are specifically made for Duramax engines. Consult the vehicle’s manual or contact a reliable automotive parts store to find the right compatibility.

2. Error: Poor Quality Plugs
# Solution: Avoid purchasing cheap or unbranded glow plugs as they may not provide a reliable performance. Invest in high-quality glow plugs from reputable manufacturers known for their durability and efficiency.

3. Error: Incorrect Installation
# Solution: Follow the manufacturer’s instructions carefully during the installation process. Improperly installed glow plugs can affect their overall performance and longevity. If unsure, seek professional assistance.

4. Error: Failure to Check Plug Resistance
# Solution: Before installing glow plugs, ensure that their resistance matches the manufacturer’s specifications. Using a multimeter, measure the resistance across the plug’s terminals and replace any plugs that show abnormal readings.

5. Error: Ignoring Maintenance and Replacement Intervals
# Solution: Glow plugs should be regularly inspected and replaced according to the vehicle manufacturer’s recommended maintenance schedule. Ignoring these intervals can lead to decreased performance, difficult starts, or even engine damage.

6. Error: Neglecting Other Engine Components
# Solution: Glow plugs work in conjunction with other engine components like the battery, fuel injectors, and glow plug relay. Checking and properly maintaining these components can help optimize the performance of glow plugs.

Remember, it is always advisable to consult a professional mechanic or refer to the manufacturer’s guidelines for the best glow plugs suitable for your specific Duramax engine model.

Final Words: “Durable glow plugs for Duramax engines”

In conclusion, after extensive research and analysis, the best glow plugs for a Duramax engine are the AC Delco 12639701 Glow Plugs. These glow plugs have proven to provide reliable and consistent performance, ensuring optimal starting conditions in cold weather and improving overall engine efficiency. Additionally, they are compatible with a wide range of Duramax models and have received positive feedback from Duramax owners. Overall, the AC Delco 12639701 Glow Plugs offer excellent value for money and are the top choice for Duramax owners looking to replace their glow plugs.

#Diesel #Glow #Plugs #Duramax #LLY #LML #LMM #ChevyGMC #LBZ #LGH #6.6L #Silverado #Savana #Sierra #Express #Replaces

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top