Car Batteries for 1990 Cadillac DeVille

1990 Cadillac DeVille Battery Replacement & Size

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

Battery Engine Warranty Cold Cranking Amps
MT-78 V8/4.5L Replacement 24 months Performance 60 months 770
MTP-78DT V8/4.5L Replacement 30 months Performance 72 months 800


- Battery: MT-78

- Warranty: Replacement 24 months, Performance 60 months

- Cold Cranking Amps: 770


- Battery: MTP-78DT

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 800

Buying a Replacement Battery for Cadillac DeVille

Your DeVille doesn't have an expiration date, but its battery does. 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 Cadillac DeVille stranded. Watch for signs that your current battery is getting too old or too weak. A lagging starter, a blinking battery or check engine light, swollen battery case, corroded battery terminals, or faded headlights may all indicate 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 necessary, a battery replacement to help keep your 1990 Cadillac DeVille running! Car batteries are one of our many specialties! Our expert technicians understand Cadillac service recommendations for DeVille battery cold cranking amps 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.

Should You Choose Interstate Batteries for Your DeVille?

We know what’s best for your Cadillac DeVille, which is why we exclusively carry the best. Our technicians install over 700,000 batteries/year using Interstate Batteries, America’s #1 replacement battery brand. Interstate has been a leader in car battery reliability, power, and technology. That's why you'll find Interstate Batteries in the engines of many a Cadillac DeVille. Their tried and true products are commonly used in boom lifts, severe duty trucks, utility vehicles, and fishing boats. Your 1990 Cadillac DeVille needs a reliable battery to run optimally. That's Interstate: Outrageously Dependable®.

Caring for a New Cadillac DeVille Battery

Did you recently have a new 1990 Cadillac DeVille car battery installed? Good thinking! You can give your new battery a head start with proper care and attention. Give your new battery a hand by cutting back on unnecessary short trips, keeping your battery posts clean, and avoiding radio and electronic component use when the engine is off.

Commonly Asked DeVille 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 Cadillac DeVille battery, visit your nearest store. Our technicians are happy to help.

  • Why won't my DeVille battery stay charged? A battery that won't hold a charge is almost as good as dead. The battery may be too old. Or, you’ve been leaving the doors slightly open and the lights on overnight. Stop by for a free battery test at your nearest Firestone Complete Auto Care to learn more about the state of your battery.
  • What happens to my old DeVille battery? We recycle it, taking care of both your car and the Earth.
  • What’s the cost of Cadillac DeVille batteries? Cadillac DeVille batteries can be affordable, especially when there's an available battery coupon. The best part is, every Interstate Battery has both a maintenance-free performance warranty and a limited-time free replacement.

Get a Battery for Your Cadillac DeVille

Don't let a failing battery slow you down. Shop replacement batteries for 1990 Cadillac DeVilles today and schedule a quick installation at Firestone Complete Auto Care.