Car Batteries for 2020 GMC Sierra 3500 HD

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GMC Sierra 3500 HD Batteries Near You

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 2020 GMC Sierra 3500 HD today and schedule a quick installation at Firestone Complete Auto Care.

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The Right Battery Size for a 2020 GMC Sierra 3500 HD

Researching battery replacements 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
94RH7 V8/6.6L Replacement 36 months Performance months 800
H7-AGM V8/6.6L Replacement 36 months Performance months 850
BATTERIES

V8/6.6L

- Battery: 94RH7

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 800

V8/6.6L

- Battery: H7-AGM

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 850

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Shopping for GMC Sierra 3500 HD Car Batteries

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! Look out for symptoms of a faulty car battery. A lagging starter, a blinking battery or check engine light, bloated battery case, corroded battery terminals, or faded headlights can all be signs that your battery needs attention.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. With computerized testing we can see how much charge is left in your battery. Drop in for a free battery check and, if necessary, a battery replacement to help keep your 2020 GMC Sierra 3500 HD running! Car batteries are only one of our many strong suits. Our expert technicians understand GMC service recommendations for Sierra 3500 HD battery CCAs and reserve capacity. Get help choosing the battery size that matches your vehicle, and schedule an appointment today for a quick car battery replacement.

Why Choose a DieHard Battery for Your Sierra 3500 HD?

Your GMC Sierra 3500 HD deserves the best, which is why we exclusively carry the best. Your vehicle needs a reliable, durable and powerful battery in even some of the toughest conditions. DieHard batteries shatter expectations and house the latest technology to meet the growing power demands of modern vehicles They're no ordinary battery, they're extraordinary. Go with a DieHard battery for your Sierra 3500 HD and drive with confidence knowing that performance will be there when you need it most. That's the kind of battery we deliver.

Making Your Sierra 3500 HD’s New Battery Last

Have you recently had a fresh battery installed in your GMC Sierra 3500 HD? Great job! Now, help it last longer and stay charged by caring for it from the get-go. flipping the dome lights and headlights off when exiting the car, cutting back on unnecessary short trips, keeping your battery posts clean, and avoiding radio and electronic component use when the engine is off.

Top Sierra 3500 HD Car Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have a Sierra 3500 HD-specific battery question, stop by your nearest store. Our expert techs have the answers you need.

  • Why doesn’t my Sierra 3500 HD battery stay charged? A battery is in its final hour when it will no longer hold a charge. The battery might be old. Or, you’ve been leaving the doors slightly open and the cabin light at night. Stop by for a complimentary battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.
  • What happens to my old Sierra 3500 HD battery? We’ll recycle your car battery for you!
  •  How much do DieHard batteries cost for your GMC Sierra 3500 HD? GMC Sierra 3500 HD batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.
  • How long can I expect my car battery to last? The typical 12-volt car battery may last three to five years, depending on the type of battery, the driving conditions, and how well the battery is maintained.
  • What is the white, crusty substance accumulating on my Sierra 3500 HD’s battery post? The white, flaky stuff that can build up around your Sierra 3500 HD’s battery terminals is known as corrosion. Acid leaking from your vehicle’s battery post can have a chemical reaction with the air, leading to an accumulation of the white, powdery substance over time. Corrosion can affect the flow of electricity between your battery and the electrical system in your Sierra 3500 HD, possibly causing issues with electrical performance and starting. If left unaddressed for long enough, it may even cause your battery to prematurely fail.
  • What do I do about corrosion on my Sierra 3500 HD car battery? Regularly inspecting and cleaning your battery terminals will help keep your Sierra 3500 HD’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.
  • Where can I purchase Sierra 3500 HD batteries near me? 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.