Why doesn’t my K2500 battery stay charged?

A car battery that needs to be jump-started every time is as good as dead. It may be getting old. Or, you’ve been leaving the doors slightly open and the dome lights on during the night. Stop by for a free battery test at your local Firestone Complete Auto Care and learn more about your battery's charge.

What happens to my old K2500 battery?

We’ll recycle your car battery for you!

How much will replacing my GMC K2500’s battery cost if I get a DieHard battery?

GMC K2500 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 often should I replace my car battery?

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.

Why is there white, flaky stuff around my K2500’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 K2500 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 clean a corroded K2500 battery terminal?

You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your K2500 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 K2500?

Your local Firestone Complete Auto Care sells and installs K2500 batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.

1989 GMC K2500 Car Batteries

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GMC K2500 Batteries Near You

Don’t let a dead battery stop you. Shop replacement car batteries for your 1989 GMC K2500 at Firestone Complete Auto Care.

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Battery Size & Replacement for 1989 GMC K2500

Need more info about GMC K2500 batteries? Use this chart to find the right battery size and CCAs for your GMC K2500.

Battery	Engine	Warranty		Cold Cranking Amps
34/78-4	V6/4.3L	Replacement 24 months	Performance months	800
78FT-2	V6/4.3L	Replacement 36 months	Performance months	800
78-AGM	V6/4.3L	Replacement 36 months	Performance months	740
34/78-4	V8/5.7L	Replacement 24 months	Performance months	800
78FT-2	V8/5.7L	Replacement 36 months	Performance months	800
78-AGM	V8/5.7L	Replacement 36 months	Performance months	740
34/78-4	V8/6.2L	Replacement 24 months	Performance months	800
75FT-3	V8/6.2L	Replacement 36 months	Performance months	700
78-AGM	V8/6.2L	Replacement 36 months	Performance months	740
75-2	V8/5.0L	Replacement 24 months	Performance months	650
75FT-3	V8/5.0L	Replacement 36 months	Performance months	700
78-AGM	V8/5.0L	Replacement 36 months	Performance months	740

BATTERIES
V6/4.3L - Battery: 34/78-4 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 800
V6/4.3L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V6/4.3L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
V8/5.7L - Battery: 34/78-4 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 800
V8/5.7L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/5.7L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
V8/6.2L - Battery: 34/78-4 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 800
V8/6.2L - Battery: 75FT-3 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 700
V8/6.2L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
V8/5.0L - Battery: 75-2 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 650
V8/5.0L - Battery: 75FT-3 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 700
V8/5.0L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740

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Buying a Replacement Battery for GMC K2500

Sadly, your GMC K2500 won't last forever. Neither will its battery. Generally, car batteries last from three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your GMC K2500 stranded. Pay attention to clues that your battery is on its way out. A lagging starter, an illuminated battery or check engine light, swollen battery case, corroded battery terminals, or dim headlights 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 computerized testing we can see how much charge is left in your battery. Visit us for a complimentary battery check and, if needed, a replacement battery for your 1989 GMC K2500. Car batteries are only one of our many strong suits. Our expert technicians understand GMC service recommendations for K2500 car batteries’ reserve capacities and cold cranking amps. Get help choosing the battery size that matches your vehicle, and schedule a fast car battery replacement at your earliest convenience.

Why Choose a DieHard Battery for Your K2500?

We know what’s best for your GMC K2500, which is why we only carry top-of-the-line replacement parts and batteries. Your K2500 needs a reliable, durable and powerful battery in even the most extreme conditions. DieHard K2500 batteries surpass expectations and house the latest technology to fuel the growing power demands of new vehicles. A DieHard battery isn't an ordinary car battery. It's extraordinary. Choose a DieHard battery for your GMC K2500 and have the peace of mind that your battery will perform when you need it. That's the kind of battery we deliver.

Caring for a New GMC K2500 Battery

Have you recently had a fresh battery installed in your GMC K2500? Good thinking! You can give your new battery a head start with proper care and attention. You can take care of your battery by cutting back on unnecessary short trips, cleaning your battery posts, and avoiding radio and electronic component use when the engine is off.

Answers to Your K2500 Car Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a battery question that's unique to your GMC K2500 battery, stop by your nearest store. Our expert techs have the answers you need.

Why doesn’t my K2500 battery stay charged? A car battery that needs to be jump-started every time is as good as dead. It may be getting old. Or, you’ve been leaving the doors slightly open and the dome lights on during the night. Stop by for a free battery test at your local Firestone Complete Auto Care and learn more about your battery's charge.
What happens to my old K2500 battery? We’ll recycle your car battery for you!
How much will replacing my GMC K2500’s battery cost if I get a DieHard battery? GMC K2500 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 often should I replace my car battery? 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.
Why is there white, flaky stuff around my K2500’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 K2500 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 clean a corroded K2500 battery terminal? You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your K2500 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 K2500? Your local Firestone Complete Auto Care sells and installs K2500 batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.