2003 Chevrolet Trailblazer Ext Automotive Batteries and Related Products

Keep Your 2003 Chevrolet Trailblazer Ext in Top Shape with Quality Automotive Batteries and Related Products

Whether you’re repairing or upgrading your Automotive Batteries and Related Product, using high-quality parts is key to keeping your 2003 Chevrolet Trailblazer Ext looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Battery Hold Downs, Batteries, and Battery Heat Shield Retainers. 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 Automotive Batteries and Related Products from Trusted Brands

Looking for a reliable Automotive Batteries and Related Product? We’ve got you covered with options from brands you know and trust like DieHard and Dorman. For example, DieHard Automotive Batteries and Related Products start at just $199.99 with an average 4.5 star rating. Dorman offer similar pricing and quality, backed by strong customer feedback. With over 510 reviews and a solid 5 star average, you can shop with confidence knowing other Chevrolet Trailblazer Ext owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Chevrolet Trailblazer Ext Automotive Batteries and Related Product at Advance Auto Parts is around $165.21, with a range that starts at $1.29 and goes up to $305.99. With 6 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Battery: 78 Group Size, 800 CCA, 1000 CA, 110 Minute Reserve Capacity, Maximum Starting Power, Battery: 78 Group Size, 800 CCA, 1000 CA, 115 Minute Reserve Capacity, For Medium Electrical Demands, and GM Base Clamp Battery Hold Down Kit start at just $13.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Automotive Batteries and Related Product, don’t forget to check out other key components like Battery Cables and Terminals. At Advance Auto Parts, we’re here to help you keep your 2003 Chevrolet Trailblazer Ext in peak condition, inside and out.

Essential 2003 Chevrolet Trailblazer Ext Automotive Batteries and Related Products

DieHard Platinum – Battery: 78 Group Size, 800 CCA, 1000 CA, 115 Minute Reserve Capacity, For Medium Electrical Demands (Part No.78FT-RP)

Battery: 78 Group Size, 800 CCA, 1000 CA, 115 Minute Reserve Capacity, For Medium Electrical Demands

from

$249.99
DieHard Platinum Batteries are designed for vehicles with medium electrical demands or accessories and with a conventional, internal combustion engine and without the start-stop fuel saving feature. DieHard Platinum batteries are engineered with increased density to offer more resistance to deterioration with improving cycling life. The Stamped Grid technology features stronger and more durable positive and negative grid design which bolsters durability. Do not want to bother with installing your new DieHard battery? Stop by your nearest Advance Auto Parts store and take advantage of our FREE battery testing and installation on most vehicles and at most locations. We offer free battery and electrical system testing and free recycling of your old automotive battery. Order your DieHard vehicle battery replacement today. Enjoy reliable starting power with no maintenance every season.

Product Features:
  • Made for conventional vehicles with medium power demands and accessories.
  • 30% more cycle life to power more accessories compared to standard flooded batteries
  • Designed to deliver enhanced relaibility and starting power.
  • Exceeds the vehicle manufacturer’s battery starting and reserve capacity power requirements.
  • Maintenance free for maximum convenience.
  • Constructed with stamped grid technology for 3X more corrosion resistance, increased durability and full grid utilization for 60% more electrical flow compared to other grid designs.
  • Our stamped grid manufacturing process uses 20% less energy and releases 20% fewer greenhouse gas emissions than other manufacturing methods.
  • The Stamped grid technology pattern is optimized for full grid utilization, providing more than 60% superior electrical flow for better connectivity. Based on comparison to other grid designs in real world fleet testing.
  • The unique and optimized grid design features rounded negative plate corners to help prevent premature failure due to shorting which offers a more gradual performance decline.
See More

DieHard Gold – Battery: 78 Group Size, 800 CCA, 1000 CA, 110 Minute Reserve Capacity, Maximum Starting Power (Part No.78FT-2)

Battery: 78 Group Size, 800 CCA, 1000 CA, 110 Minute Reserve Capacity, Maximum Starting Power

from

$219.99
DieHard Gold batteries are engineered for maximum starting power in any climate. That means you can relax knowing you will get your car started, even on the coldest or hottest of days. DieHard Gold automotive batteries meet or exceed the manufacturers power (CCA) and reserve capacity requirements for your vehicle, ensuring you get the power you need for a quick start every time. DieHard Gold batteries are engineered with Stamped Grid technology, which is a stronger and more durable positive grid. If you are looking for more power, upgrade to the DieHard Platinum. Don’t want to bother with installing your new DieHard battery? Stop by your nearest Advance Auto Parts store and take advantage of our FREE battery testing and installation on most vehicles and at most locations. We offer free battery and electrical system testing and free recycling of your old automotive battery. Order your DieHard vehicle battery replacement today. Enjoy reliable starting power with no maintenance every season.

Product Features:
  • Made for conventional vehicles with low electrical demands and accessories.
  • Maximum starting power and reliability with increased battery lifespan.
  • Exceeds the vehicle manufacturer’s battery starting and reserve capacity power requirements.
  • Maintenance free for maximum convenience.
  • Constructed with stamped grid technology for 3X more corrosion resistance, increased durability and full grid utilization for 60% more electrical flow compared to other grid designs.
  • Our stamped grid manufacturing process uses 20% less energy and releases 20% fewer greenhouse gas emissions than other manufacturing methods.
  • For vehicles with increased electrical load, upgrade to a DieHard Platinum AGM Battery
See More

DieHard Silver – Battery: 78 Group Size, 700 CCA, 875 CA, 120 Minute Reserve Capacity, For Lower Power Demands (Part No.78-1)

Battery: 78 Group Size, 700 CCA, 875 CA, 120 Minute Reserve Capacity, For Lower Power Demands

from

$199.99
DieHard Silver batteries are engineered for reliable starting power in all seasons and climates. DieHard Silver automotive batteries are designed to meet the manufacturer’s power (CCA) and reserve capacity requirements for your vehicle, ensuring you’ll get the power you need for a quick start every time. If you are looking for more power, upgrade to the DieHard Gold battery. Don’t want to bother with installing your new DieHard battery? Stop by your nearest Advance Auto Parts or Carquest locations and take advantage of our FREE battery testing and installation on most vehicles and at most locations. We offer free battery and electrical system testing and free recycling of your old automotive battery. Advance Auto Parts offers helpful advice about a variety of products, including car batteries. Be sure to check out the following:

Product Features:
  • Made for conventional vehicles with lower power demands and accessories
  • Good starting power
  • Meets the vehicle manufacturer’s battery starting and reserve capacity power requirements.
  • Maintenance free for maximum convenience.
See More

Optima – Battery: 78 Group Size, 800 CCA, 1000 CA, 100 Minute Reserve Capacity, High Power Delivery (Part No.78)

Battery: 78 Group Size, 800 CCA, 1000 CA, 100 Minute Reserve Capacity, High Power Delivery

from

$305.99
The OPTIMA REDTOP high-performance AGM battery is the ULTIMATE POWER SOURCE designed to deliver the strongest starting power. With unparalleled high power delivery and extreme resistance to the most common causes of battery failure, REDTOP is ideal for trucks, SUVs, hot rods, street cars and other high-performance applications that require a spill-proof starting battery. Don’t want to bother with installing your new OPTIMA battery? Stop by your nearest Advance Auto Parts store and take advantage of our FREE battery testing and installation on most vehicles and at most locations. We offer free battery and electrical system testing and free recycling of your old automotive battery. Advance Auto Parts offers helpful advice about a variety of products, including car batteries. Be sure to check out the following:

Product Features:
  • Faster recharging capabilities
  • Maintenance free for maximum convenience
  • Completely non-spillable, mountable in many positions
  • 15x the vibration resistance of a standard flooded battery
  • Up to 3 times longer life vs. standard flooded batteries
  • Faster recharging capabilities
See More

Dorman – Help – GM Base Clamp Battery Hold Down Kit (Part No.00587)

GM Base Clamp Battery Hold Down Kit

from

$13.99
Product Features:
  • Secure replacement – this battery hold down replaces a worn, stripped or missing original equipment hold down
  • Maintains battery – reducing battery movement helps ensure maximum battery life
  • Check fit – to see if you have correct hold down, check application fit, size or style
  • Trustworthy quality – backed by team of engineers and inspectors in the United States
See More

Dorman – Rivet-Push In-Hole Diameter .250 In. (Sold by each) (Part No.700-579)

Rivet-Push In-Hole Diameter .250 In. (Sold by each)

from

$1.29
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application.
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
See More

Most Popular Battery Hold Down for 2003 Chevrolet Trailblazer Exts

Enhance your 2003 Chevrolet Trailblazer Ext with this popular Battery Hold Down we have in stock, for $13.99.

Dorman – Help – GM Base Clamp Battery Hold Down Kit (Part No.00587)

GM Base Clamp Battery Hold Down Kit

from

$13.99
Product Features:
  • Secure replacement – this battery hold down replaces a worn, stripped or missing original equipment hold down
  • Maintains battery – reducing battery movement helps ensure maximum battery life
  • Check fit – to see if you have correct hold down, check application fit, size or style
  • Trustworthy quality – backed by team of engineers and inspectors in the United States
See More

Best-Selling 2003 Chevrolet Trailblazer Ext Batteries

Upgrade your Trailblazer Ext with one of our 4 best-selling Batteries, earning an average 4.5 stars rating across 59 reviews.

DieHard Silver – Battery: 78 Group Size, 700 CCA, 875 CA, 120 Minute Reserve Capacity, For Lower Power Demands (Part No.78-1)

Battery: 78 Group Size, 700 CCA, 875 CA, 120 Minute Reserve Capacity, For Lower Power Demands

from

$199.99
DieHard Silver batteries are engineered for reliable starting power in all seasons and climates. DieHard Silver automotive batteries are designed to meet the manufacturer’s power (CCA) and reserve capacity requirements for your vehicle, ensuring you’ll get the power you need for a quick start every time. If you are looking for more power, upgrade to the DieHard Gold battery. Don’t want to bother with installing your new DieHard battery? Stop by your nearest Advance Auto Parts or Carquest locations and take advantage of our FREE battery testing and installation on most vehicles and at most locations. We offer free battery and electrical system testing and free recycling of your old automotive battery. Advance Auto Parts offers helpful advice about a variety of products, including car batteries. Be sure to check out the following:

Product Features:
  • Made for conventional vehicles with lower power demands and accessories
  • Good starting power
  • Meets the vehicle manufacturer’s battery starting and reserve capacity power requirements.
  • Maintenance free for maximum convenience.
See More

DieHard Gold – Battery: 78 Group Size, 800 CCA, 1000 CA, 110 Minute Reserve Capacity, Maximum Starting Power (Part No.78FT-2)

Battery: 78 Group Size, 800 CCA, 1000 CA, 110 Minute Reserve Capacity, Maximum Starting Power

from

$219.99
DieHard Gold batteries are engineered for maximum starting power in any climate. That means you can relax knowing you will get your car started, even on the coldest or hottest of days. DieHard Gold automotive batteries meet or exceed the manufacturers power (CCA) and reserve capacity requirements for your vehicle, ensuring you get the power you need for a quick start every time. DieHard Gold batteries are engineered with Stamped Grid technology, which is a stronger and more durable positive grid. If you are looking for more power, upgrade to the DieHard Platinum. Don’t want to bother with installing your new DieHard battery? Stop by your nearest Advance Auto Parts store and take advantage of our FREE battery testing and installation on most vehicles and at most locations. We offer free battery and electrical system testing and free recycling of your old automotive battery. Order your DieHard vehicle battery replacement today. Enjoy reliable starting power with no maintenance every season.

Product Features:
  • Made for conventional vehicles with low electrical demands and accessories.
  • Maximum starting power and reliability with increased battery lifespan.
  • Exceeds the vehicle manufacturer’s battery starting and reserve capacity power requirements.
  • Maintenance free for maximum convenience.
  • Constructed with stamped grid technology for 3X more corrosion resistance, increased durability and full grid utilization for 60% more electrical flow compared to other grid designs.
  • Our stamped grid manufacturing process uses 20% less energy and releases 20% fewer greenhouse gas emissions than other manufacturing methods.
  • For vehicles with increased electrical load, upgrade to a DieHard Platinum AGM Battery
See More

DieHard Platinum – Battery: 78 Group Size, 800 CCA, 1000 CA, 115 Minute Reserve Capacity, For Medium Electrical Demands (Part No.78FT-RP)

Battery: 78 Group Size, 800 CCA, 1000 CA, 115 Minute Reserve Capacity, For Medium Electrical Demands

from

$249.99
DieHard Platinum Batteries are designed for vehicles with medium electrical demands or accessories and with a conventional, internal combustion engine and without the start-stop fuel saving feature. DieHard Platinum batteries are engineered with increased density to offer more resistance to deterioration with improving cycling life. The Stamped Grid technology features stronger and more durable positive and negative grid design which bolsters durability. Do not want to bother with installing your new DieHard battery? Stop by your nearest Advance Auto Parts store and take advantage of our FREE battery testing and installation on most vehicles and at most locations. We offer free battery and electrical system testing and free recycling of your old automotive battery. Order your DieHard vehicle battery replacement today. Enjoy reliable starting power with no maintenance every season.

Product Features:
  • Made for conventional vehicles with medium power demands and accessories.
  • 30% more cycle life to power more accessories compared to standard flooded batteries
  • Designed to deliver enhanced relaibility and starting power.
  • Exceeds the vehicle manufacturer’s battery starting and reserve capacity power requirements.
  • Maintenance free for maximum convenience.
  • Constructed with stamped grid technology for 3X more corrosion resistance, increased durability and full grid utilization for 60% more electrical flow compared to other grid designs.
  • Our stamped grid manufacturing process uses 20% less energy and releases 20% fewer greenhouse gas emissions than other manufacturing methods.
  • The Stamped grid technology pattern is optimized for full grid utilization, providing more than 60% superior electrical flow for better connectivity. Based on comparison to other grid designs in real world fleet testing.
  • The unique and optimized grid design features rounded negative plate corners to help prevent premature failure due to shorting which offers a more gradual performance decline.
See More

Optima – Battery: 78 Group Size, 800 CCA, 1000 CA, 100 Minute Reserve Capacity, High Power Delivery (Part No.78)

Battery: 78 Group Size, 800 CCA, 1000 CA, 100 Minute Reserve Capacity, High Power Delivery

from

$305.99
The OPTIMA REDTOP high-performance AGM battery is the ULTIMATE POWER SOURCE designed to deliver the strongest starting power. With unparalleled high power delivery and extreme resistance to the most common causes of battery failure, REDTOP is ideal for trucks, SUVs, hot rods, street cars and other high-performance applications that require a spill-proof starting battery. Don’t want to bother with installing your new OPTIMA battery? Stop by your nearest Advance Auto Parts store and take advantage of our FREE battery testing and installation on most vehicles and at most locations. We offer free battery and electrical system testing and free recycling of your old automotive battery. Advance Auto Parts offers helpful advice about a variety of products, including car batteries. Be sure to check out the following:

Product Features:
  • Faster recharging capabilities
  • Maintenance free for maximum convenience
  • Completely non-spillable, mountable in many positions
  • 15x the vibration resistance of a standard flooded battery
  • Up to 3 times longer life vs. standard flooded batteries
  • Faster recharging capabilities
See More

Top-Quality Battery Heat Shield Retainers for 2003 Chevrolet Trailblazer Exts

Choose a high-quality OEM or aftermarket Battery Heat Shield Retainer for Chevrolet Trailblazer Exts and enjoy top-notch performance from $1.29.

Dorman – Rivet-Push In-Hole Diameter .250 In. (Sold by each) (Part No.700-579)

Rivet-Push In-Hole Diameter .250 In. (Sold by each)

from

$1.29
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application.
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
See More

Top-Rated Automotive Batteries and Related Product Brands For Your 2003 Chevrolet Trailblazer Ext

When it comes to finding the perfect Automotive Batteries and Related Product for your 2003 Chevrolet Trailblazer Ext, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Automotive Batteries and Related Product brands including DieHard and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $13.99. Purchasing a Automotive Batteries and Related Product from us here at Advance Auto Parts is a smart move for both you and your 2003 Chevrolet Trailblazer Ext, providing peace of mind with parts that meet or exceed OEM standards.

Popular DieHard 2003 Chevrolet Trailblazer Ext Automotive Batteries and Related Products

If you’re looking for a top-quality Automotive Batteries and Related Product for your 2003 Chevrolet Trailblazer Ext, Advance Auto Parts has exactly what you need with our selection of DieHard Automotive Batteries and Related Products. We have 1 DieHard Automotive Batteries and Related Products in stock for this fitment, all known for their durability and precision fit. With prices starting at just $199.99, you’ll find the perfect Automotive Batteries and Related Product for your needs and budget. DieHard Automotive Batteries and Related Products for the 2003 Chevrolet Trailblazer Ext come highly rated, with over 59 customer reviews and an impressive average rating of 4.5 stars. Choosing a DieHard Automotive Batteries and Related Product from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Battery: 78 Group Size, 700 CCA, 875 CA, 120 Minute Reserve Capacity, For Lower Power Demands
from $199.99
(59)
Battery: 78 Group Size, 700 CCA, 875 CA, 120 Minute Reserve Capacity, For Lower Power Demands
“It was a great experience purchasing and having my battery installed by Advanced Auto”

Top-Quality Dorman 2003 Chevrolet Trailblazer Ext Automotive Batteries and Related Products

For those in search of a high-quality Automotive Batteries and Related Product for their 2003 Chevrolet Trailblazer Ext, Advance Auto Parts offers a great selection of Dorman Automotive Batteries and Related Products. With 1 Dorman Automotive Batteries and Related Products in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Automotive Batteries and Related Products start at just $13.99, giving you a range of options to suit your budget. Backed by over 26 customer ratings and an average rating of 4.2 stars, Dorman Automotive Batteries and Related Products provide both reliability and excellent performance. Choosing a Dorman Automotive Batteries and Related Product from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
GM Base Clamp Battery Hold Down Kit
from $13.99
(26)
GM Base Clamp Battery Hold Down Kit
“Fits perfect for my application”

FAQs for 2003 Chevrolet Trailblazer Ext Automotive Batteries and Related Products

What are the best-selling Automotive Batteries and Related Products for 2003 Chevrolet Trailblazer Exts?

Out of 6 Automotive Batteries and Related Products that fit 2003 Chevrolet Trailblazer Exts, the following parts are the top sellers:

What’s the price range for 2003 Chevrolet Trailblazer Ext Automotive Batteries and Related Products?

The prices of Automotive Batteries and Related Products for the 2003 Chevrolet Trailblazer Ext range from $1.29 up to $305.99 for the most premium parts.

What is the average price of an Automotive Batteries and Related Products Automotive Batteries and Related Product for a 2003 Chevrolet Trailblazer Ext?

The average price for Automotive Batteries and Related Products for the 2003 Chevrolet Trailblazer Ext is $165.21. Keep in mind the variety of part types within our Automotive Batteries and Related Product category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Automotive Batteries and Related Products for other Chevrolet Trailblazer Ext model years?

Yes, we carry Automotive Batteries and Related Products for 3 model years of Chevrolet Trailblazer Exts between 2002 and 2006. The following model years are the most popular for Automotive Batteries and Related Product purchases: 2006, 2005, 2004, and 2002.

What are the cheapest Automotive Batteries and Related Products for my 2003 Chevrolet Trailblazer Ext?

Does Advance Auto Parts sell Automotive Batteries and Related Products for any other 2003 Chevrolet models?

What are the top-rated Automotive Batteries and Related Products that fit the 2003 Chevrolet Trailblazer Ext?

Based on 510 reviews by customers, our 2003 Chevrolet Trailblazer Ext Automotive Batteries and Related Products have an average customer rating of 5 stars. These are the highest-rated categories of Automotive Batteries and Related Products for the 2003 Chevrolet Trailblazer Ext and their top-rated products:

What types of Automotive Batteries and Related Products do you sell for my 2003 Chevrolet Trailblazer Ext?

As of 4/10/25, these are some of the most in-demand types of Automotive Batteries and Related Products for a 2003 Chevrolet Trailblazer Ext:

Can I get help with 2003 Chevrolet Trailblazer Ext Automotive Batteries and Related Product orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Chevrolet Automotive Batteries and Related Products and more.

What is your return policy for Chevrolet Trailblazer Ext Automotive Batteries and Related Products?

Advance Auto Parts keeps returns simple. For new Chevrolet Trailblazer Ext Automotive Batteries and Related Products and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.