1986 Dodge Diplomat Batteries

Get a Battery for Your Dodge Diplomat

Don’t let a dead battery stop you. Shop replacement car batteries for your 1986 Dodge Diplomat at Firestone Complete Auto Care.

Battery Size & Replacement for 1986 Dodge Diplomat

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

Battery Engine Warranty Cold Cranking Amps
34-AGM V8/5.2L Replacement 36 months Performance months 740
26-3 V8/5.2L Replacement 24 months Performance months 525
34FT-2 V8/5.2L Replacement 36 months Performance months 800


- Battery: 34-AGM

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 740


- Battery: 26-3

- Warranty: Replacement 24 months, Performance months

- Cold Cranking Amps: 525


- Battery: 34FT-2

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 800

Shopping for Dodge Diplomat Car Batteries

Sadly, your Dodge Diplomat won't last forever. Neither will its battery. The average car battery lasts three to five years. Don’t get stranded by your Diplomat’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A lagging starter, a blinking battery or check engine light, bloated battery case, corroded battery posts, or dim headlights can all signal 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 needed, get your Dodge Diplomat a replacement battery. Car batteries are one of our many specialties! Our technicians are well-acquainted with Dodge’s service specs for Diplomat battery CCAs and reserve capacity. Get help identifying the type and size of battery that matches your vehicle, and schedule a fast car battery replacement at your earliest convenience.

Is There a DieHard Battery for Diplomats?

We know what’s best for your Dodge Diplomat, which is why we only carry top-of-the-line replacement parts and batteries. Your vehicle needs a reliable, durable and powerful battery that can handle most extreme environments and weather conditions. DieHard Diplomat batteries surpass expectations and house the latest technology to fuel the growing power needs of new vehicles. A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your Dodge Diplomat and get behind the wheel with confidence. Why? Because performance will be there when you need it most. That’s why you should choose batteries from Firestone Complete Auto Care.

Caring for a New Dodge Diplomat Battery

Did you recently have a new 1986 Dodge Diplomat car battery installed? Great job! Give your new car battery the best start with proper care. turning off all of the lights when you leave your vehicle, limiting short trips, keeping the battery posts corrosion-free, and not playing the radio or using other electronics when the engine is turned off.

Answers to Your Diplomat Car Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a Diplomat-specific battery question, stop by your nearest store. Our expert techs have the answers you need.

  • Why won't my Diplomat battery stay charged? A car battery that needs to be jump-started every time is as good as dead. 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 nearest Firestone Complete Auto Care and get a handle on your car battery’s health.
  • What do you do with my old Diplomat battery? We recycle it, taking care of both your car and the Earth.
  • How much will replacing my Dodge Diplomat’s battery cost if I get a DieHard battery? Dodge Diplomat 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.