2003 Lexus IS300 Car Batteries

Get a New Lexus IS300 Battery

Don’t let a dead battery stop you. Shop replacement car batteries for your 2003 Lexus IS300 at Firestone Complete Auto Care.

The Right Battery Size for a 2003 Lexus IS300

Not sure what battery to get for your Lexus IS300? Check the chart to find the right car battery size and cold cranking amps for your IS300.

Battery Engine Warranty Cold Cranking Amps
24FT-5 L6/3.0L Replacement 24 months Performance months 600
BATTERIES

L6/3.0L

- Battery: 24FT-5

- Warranty: Replacement 24 months, Performance months

- Cold Cranking Amps: 600

Buying a Replacement Battery for Lexus IS300

Sadly, your Lexus IS300 won't last forever. Neither will its battery. On average, auto batteries last anywhere from three to five years. Don’t get stranded by your IS300’s car battery. Replace it regularly instead! Look out for symptoms of a faulty car battery. A sluggish engine start, an illuminated check engine light or battery signal, bloated battery case, corrosion-covered posts, or dim headlights can all be signs 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, get your Lexus IS300 a replacement battery. Automotive batteries are just one of our many areas of expertise. Our technicians are familiar with Lexus-specific recommendations for IS300 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.

Why Choose a DieHard Battery for Your IS300?

Your Lexus IS300 deserves the best, which is why we only carry top-of-the-line replacement parts and batteries. Your IS300 needs a reliable, durable and powerful battery in even some of the toughest conditions. DieHard IS300 batteries surpass expectations using the latest innovative technology to fuel the growing power demands of new vehicles. A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your Lexus IS300 and drive with confidence knowing that performance will be there when you need it most. That's the kind of battery we deliver.

After Buying 2003 Lexus IS300 Battery

Got a new car battery installed in your 2003 Lexus IS300? Congrats! Give your new car battery the best start with proper care. ensuring all the lights are turned off before you leave the car, decreasing the number of short trips you take, keeping the battery posts corrosion-free, and not playing the radio or using other electronics when the engine is turned off.

Top IS300 Car Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a IS300-specific battery question, visit your nearest store. Our technicians have the answers.

  • Why doesn’t my IS300 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 been leaving your car doors ajar and the dome lights on during the night. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care and learn more about your battery's charge.
  • What happens to my old IS300 battery? We’ll recycle your car battery for you!
  •  How much do DieHard batteries cost for your Lexus IS300? Lexus IS300 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? A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.
  • What is the white, crusty stuff around my IS300’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 IS300 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 corrosion off my IS300 vehicle battery? Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.
  • Where can I find a battery for my IS300? Your local Firestone Complete Auto Care sells and installs IS300 batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.