Why doesn’t my R3500 battery stay charged?

A battery that won't hold a charge is almost as good as dead. The battery might be old. Or, you may have a habit of leaving your car doors open and the cabin light at night. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care and get a handle on your car battery’s health.

What do you do with my old R3500 battery?

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

How much will replacing my GMC R3500’s battery cost if I get a DieHard battery?

GMC R3500 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 is a car battery good for?

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 R3500’s battery post?

If you notice white, crusty stuff around the battery terminals of your R3500, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your R3500’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I clean corrosion off my R3500 vehicle battery?

To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your R3500 owner’s manual for instructions on how to do so.

Where can I find a battery for my R3500?

At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install R3500 batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.

1991 GMC R3500 Car Batteries

Get a New GMC Battery

Get a New GMC R3500 Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 1991 GMC R3500 at Firestone Complete Auto Care.

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Battery Size & Replacement for 1991 GMC R3500

Researching battery replacements for your GMC R3500? Use this chart to find the right battery size and CCAs for your GMC R3500.

Battery	Engine	Warranty		Cold Cranking Amps
78-1	V8/5.7L	Replacement 24 months	Performance months	700
75FT-3	V8/5.7L	Replacement 36 months	Performance months	700
78-AGM	V8/5.7L	Replacement 36 months	Performance months	740
75-2	V8/6.2L	Replacement 24 months	Performance months	650
78FT-2	V8/6.2L	Replacement 36 months	Performance months	800
78-AGM	V8/6.2L	Replacement 36 months	Performance months	740
34/78-4	V8/7.4L	Replacement 24 months	Performance months	800
78FT-2	V8/7.4L	Replacement 36 months	Performance months	800
78-AGM	V8/7.4L	Replacement 36 months	Performance months	740

BATTERIES
V8/5.7L - Battery: 78-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 700
V8/5.7L - Battery: 75FT-3 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 700
V8/5.7L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
V8/6.2L - Battery: 75-2 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 650
V8/6.2L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/6.2L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
V8/7.4L - Battery: 34/78-4 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 800
V8/7.4L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/7.4L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740

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Buying a Replacement Battery for GMC R3500

Your R3500 doesn't have an expiration date, but its battery does. On average, auto batteries last anywhere from three to five years. You want to replace your 1991 GMC R3500 battery before it fails and leaves you stranded. Look out for symptoms of a faulty car battery. A slow engine crank, an illuminated battery or check engine light, swollen battery case, corrosion-covered posts, and subpar electrical performance can all signal that your battery is on its last leg.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. 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 needed, a replacement battery for your 1991 GMC R3500. Car batteries are only one of our many strong suits. Our expert technicians understand GMC service recommendations for R3500 battery cold cranking amps and reserve capacity. Get help figuring out the battery size that fits your car perfectly, and schedule a fast car battery replacement at your earliest convenience.

Is There a DieHard Battery for R3500s?

Your GMC R3500 deserves the best, which is why we carry just that. Your vehicle needs a reliable, durable and powerful battery in extremely hot and cold environments. DieHard R3500 batteries surpass expectations using the latest innovative technology to meet the increasing power requirements of new vehicles and their accessories. A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your GMC R3500 and have the peace of mind that performance will be there when you need it most. That's the kind of battery we deliver.

Making Your R3500’s New Battery Last

Got a new car battery installed in your 1991 GMC R3500? Good thinking! 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, decreasing the number of short trips you take, keeping your battery posts clean, and not playing the radio or using other electronics when the engine is turned off.

Commonly Asked R3500 Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have a battery question that's unique to your GMC R3500 battery, visit your nearest store. Our expert techs have the answers you need.

Why doesn’t my R3500 battery stay charged? A battery that won't hold a charge is almost as good as dead. The battery might be old. Or, you may have a habit of leaving your car doors open and the cabin light at night. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care and get a handle on your car battery’s health.
What do you do with my old R3500 battery? We recycle it, taking care of both your car and the Earth.
How much will replacing my GMC R3500’s battery cost if I get a DieHard battery? GMC R3500 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 is a car battery good for? 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 R3500’s battery post? If you notice white, crusty stuff around the battery terminals of your R3500, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your R3500’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I clean corrosion off my R3500 vehicle battery? To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your R3500 owner’s manual for instructions on how to do so.
Where can I find a battery for my R3500? At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install R3500 batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.