Why won’t my Sierra 3500 HD battery hold a charge?

A battery is in its final hour when it will no longer hold a charge. The battery may be too old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. Stop in for a free battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.

What do you do with my dead Sierra 3500 HD battery?

We recycle it, taking care of both your car and the Earth.

What’s the cost of DieHard batteries for GMC Sierra 3500 HDs?

You can find affordable Sierra 3500 HD batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.

How long can I expect my car battery to last?

A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.

What is the white, crusty stuff around my Sierra 3500 HD’s battery post?

A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your Sierra 3500 HD car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.

How do I remove corrosion from my Sierra 3500 HD car battery?

You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your Sierra 3500 HD owner's manual to learn how to disconnect the battery cables. After disconnecting the cables, use a mixture of water and baking soda, a wire brush, and a rag to carefully clean the terminals.

Where can I find a battery for my Sierra 3500 HD?

Your local Firestone Complete Auto Care sells and installs Sierra 3500 HD batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.

2018 GMC Sierra 3500 HD Car Batteries

Get a New GMC Battery

Get a New GMC Sierra 3500 HD Battery

Don't let a failing battery slow you down. Shop replacement batteries for 2018 GMC Sierra 3500 HDs today and schedule a quick installation at Firestone Complete Auto Care.

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2018 GMC Sierra 3500 HD Battery Replacement & Size

Not sure what battery to get for your GMC Sierra 3500 HD? Use the following chart to find information on GMC Sierra 3500 HD battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
48H6	V8/6.6L	Replacement 36 months	Performance months	730
H6-AGM	V8/6.6L	Replacement 36 months	Performance months	760
94RH7	V8/6.0L	Replacement 36 months	Performance months	800
H6-AGM	V8/6.0L	Replacement 36 months	Performance months	760

BATTERIES
V8/6.6L - Battery: 48H6 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 730
V8/6.6L - Battery: H6-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 760
V8/6.0L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/6.0L - Battery: H6-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 760

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Buying a Replacement Battery for GMC Sierra 3500 HD

Your Sierra 3500 HD doesn't have an expiration date, but its battery does. On average, auto batteries last anywhere from three to five years. Don’t get stranded by your Sierra 3500 HD’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A slow engine crank, a blinking battery or check engine light, bloated battery case, corroded battery posts, or faded headlights may all indicate that your battery is waving goodbye.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. With best-in-class tools we can tell you how much "life" is left in your battery. Stop by for a free battery test and, if necessary, a battery replacement to help keep your 2018 GMC Sierra 3500 HD running! Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with GMC’s service specs for Sierra 3500 HD car batteries’ reserve capacities and cold cranking amps. Get help identifying the type and size of battery that fits your car perfectly, and schedule an appointment today for a quick car battery replacement.

Is There a DieHard Battery for Sierra 3500 HDs?

We know what’s best for your GMC Sierra 3500 HD, which is why we carry just that. Your Sierra 3500 HD needs a reliable, durable and powerful battery in extremely hot and cold environments. DieHard batteries go above and beyond and house the latest technology to meet the increasing power requirements of new vehicles. Don't call a DieHard battery ordinary. It's an extraordinary battery. Go with a DieHard battery for your Sierra 3500 HD and get behind the wheel with confidence. Why? Because performance will be there when you're counting on it. That's the kind of battery we deliver.

After Buying 2018 GMC Sierra 3500 HD Battery

Got a new car battery installed in your 2018 GMC Sierra 3500 HD? Good thinking! You can give your new battery a head start with proper care and attention. ensuring all the lights are turned off before you leave the car, cutting back on unnecessary short trips, keeping your battery posts clean, and not using electronics such as the radio and power outlets when the engine is off.

Commonly Asked Sierra 3500 HD Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have battery questions that are GMC Sierra 3500 HD-specific, stop by your nearest store. Our technicians are happy to help.

Why won’t my Sierra 3500 HD battery hold a charge? A battery is in its final hour when it will no longer hold a charge. The battery may be too old. Or, you may have a habit of leaving your car doors open and the dome lights on during the night. Stop in for a free battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.
What do you do with my dead Sierra 3500 HD battery? We recycle it, taking care of both your car and the Earth.
What’s the cost of DieHard batteries for GMC Sierra 3500 HDs? You can find affordable Sierra 3500 HD batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.
How long can I expect my car battery to last? A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.
What is the white, crusty stuff around my Sierra 3500 HD’s battery post? A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your Sierra 3500 HD car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.
How do I remove corrosion from my Sierra 3500 HD car battery? You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your Sierra 3500 HD owner's manual to learn how to disconnect the battery cables. After disconnecting the cables, use a mixture of water and baking soda, a wire brush, and a rag to carefully clean the terminals.
Where can I find a battery for my Sierra 3500 HD? Your local Firestone Complete Auto Care sells and installs Sierra 3500 HD batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.