2004 Infiniti FX45 Batteries

2004 Infiniti FX45 Battery Replacement & Size

Not sure what battery to get for your Infiniti FX45? Use this chart to find the right battery size and CCAs for your Infiniti FX45.

Battery Engine Warranty Cold Cranking Amps
MT-35 V8/4.5L Replacement 24 months Performance 60 months 570
MTP-35 V8/4.5L Replacement 30 months Performance 72 months 640
MTX-35 V8/4.5L Replacement 38 months Performance 36 months 650


- Battery: MT-35

- Warranty: Replacement 24 months, Performance 60 months

- Cold Cranking Amps: 570


- Battery: MTP-35

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 640


- Battery: MTX-35

- Warranty: Replacement 38 months, Performance 36 months

- Cold Cranking Amps: 650

Buying a Replacement Battery for Infiniti FX45

Sadly, your Infiniti FX45 won't last forever. Neither will its battery. The average car battery lasts three to five years. You want to replace your 2004 Infiniti FX45 battery before it fails and leaves you stranded. Watch for signs that your current battery is getting too old or too weak. A slow engine crank, an illuminated check engine light or battery signal, swollen battery case, corroded battery terminals, or weak lights can all signal that your battery is waving goodbye.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. Our equipment 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 2004 Infiniti FX45. Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with Infiniti’s service specs for FX45 car batteries’ reserve capacities and cold cranking amps. Get help identifying the type and size of battery that's best for your FX45, and schedule a weekday or weekend battery replacement service for your car.

Why Choose an Interstate Battery for Your FX45?

We only want what’s best for your Infiniti FX45, which is why we carry just that. Our technicians install over 700,000 batteries/year using Interstate Batteries, America’s #1 replacement battery brand. Interstate leads the way in terms of car battery reliability, power, and innovation. That's why you'll find Interstate Batteries in the engines of many a Infiniti FX45. Their tried and true products are commonly used in forklifts freightliners, golf carts, and boats! Your 2004 Infiniti FX45 needs a reliable battery to run optimally. And Interstate Batteries are Outrageously Dependable®.

Making Your FX45’s New Battery Last

Have you recently had a fresh battery installed in your Infiniti FX45? Congrats! Now, help it last longer and stay charged by caring for it from the get-go. Help extend your car battery’s life by decreasing the number of short trips you take, keeping your battery posts clean, and not using electronics such as the radio and power outlets when the engine is off.

Commonly Asked FX45 Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a battery question that's unique to your Infiniti FX45 battery, pay us a visit. Our technicians have the answers.

  • Why won't my FX45 battery stay charged? A battery that won't hold a charge is almost as good as dead. It may be getting old. Or, you’ve been leaving the doors slightly open and the cabin light at night. Stop by for a free battery test at your nearest Firestone Complete Auto Care and learn more about your battery's charge.
  • What do you do with my dead FX45 battery? We’ll recycle your car battery for you!
  • How much will replacing my Infiniti FX45’s battery cost? You can find affordable FX45 batteries by using one of our car battery coupons, when available. 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 Infiniti FX45

Don't let a failing battery slow you down. Shop replacement batteries for 2004 Infiniti FX45s today and schedule a quick installation at Firestone Complete Auto Care.