Car Batteries for 1984 Porsche 911

1984 Porsche 911 Battery Replacement & Size

Need more info about Porsche 911 batteries? Use the following chart to find information on Porsche 911 battery size and cold cranking amps.

Battery Engine Warranty Cold Cranking Amps
MT-49/H8 H6/3.2L Replacement 24 months Performance 60 months 900
MTP-49/H8 H6/3.2L Replacement 30 months Performance 72 months 900
MTX-49/H8 H6/3.2L Replacement 36 months Performance 36 months 900
MT-49/H8 H6/3.3L Replacement 24 months Performance 60 months 900
MTP-48/H6 H6/3.3L Replacement 30 months Performance 72 months 760
MTX-48/H6 H6/3.3L Replacement 36 months Performance 36 months 760
BATTERIES

H6/3.2L

- Battery: MT-49/H8

- Warranty: Replacement 24 months, Performance 60 months

- Cold Cranking Amps: 900

H6/3.2L

- Battery: MTP-49/H8

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 900

H6/3.2L

- Battery: MTX-49/H8

- Warranty: Replacement 36 months, Performance 36 months

- Cold Cranking Amps: 900

H6/3.3L

- Battery: MT-49/H8

- Warranty: Replacement 24 months, Performance 60 months

- Cold Cranking Amps: 900

H6/3.3L

- Battery: MTP-48/H6

- Warranty: Replacement 30 months, Performance 72 months

- Cold Cranking Amps: 760

H6/3.3L

- Battery: MTX-48/H6

- Warranty: Replacement 36 months, Performance 36 months

- Cold Cranking Amps: 760

Buy the Right Battery for Your Porsche 911

Your 911 doesn't have an expiration date, but its battery does. The average car battery lasts three to five years. Don’t get stranded by your 911’s car battery. Replace it regularly instead! Watch for signs that your current battery is getting too old or too weak. A sluggish engine start, 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.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. With best-in-class tools we can tell you how much "life" is left in your battery. Visit us for a complimentary battery check and, if necessary, a battery replacement to help keep your 1984 Porsche 911 running! Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with Porsche’s service specs for 911 battery cold cranking amps and reserve capacity. Get help figuring out the battery size that matches your vehicle, and schedule a weekday or weekend battery replacement service for your car.

Why Choose an Interstate Battery for Your 911?

We know what’s best for your Porsche 911, which is why we exclusively carry the best. Our technicians install over 700,000 batteries/year using America's #1 replacement battery from Interstate Batteries. Interstate has been an battery-industry leader for durability, power, and innovation for many years. That’s why it’s unsurprising to find an Interstate Battery in the engine of a Porsche 911. Their tried and true products are commonly used in industrial lifts, commercial trucks, golf carts, and boats! You need a car battery that's just as dependable as your 1984 Porsche 911. And Interstate Batteries are Outrageously Dependable®.

After Buying 1984 Porsche 911 Battery

Got a new car battery installed in your 1984 Porsche 911? Great job! Give your new car battery the best start with proper care. turning off all of the lights when you leave your vehicle, 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.

Commonly Asked 911 Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a 911-specific battery question, visit your nearest store. Our technicians have the answers.

  • Why won’t my 911 battery hold a charge? A car battery that needs to be jump-started every time is 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 complimentary battery check at your local Firestone Complete Auto Care and get a handle on your car battery’s health.
  • What happens to my old 911 battery? We recycle it, taking care of both your car and the Earth.
  •  How much do Porsche 911 batteries cost? Get affordable prices on Porsche 911 batteries by using one of our limited-time battery deals. 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 Porsche 911

Don’t let a dead battery stop you. Shop replacement car batteries for your 1984 Porsche 911 at Firestone Complete Auto Care.