Need more info about Porsche 911 batteries? Check the chart to find the right car battery size and cold cranking amps for your 911.
|Battery||Engine||Warranty||Cold Cranking Amps|
|MTP-48/H6||H6/3.4L||Replacement 30 months||Performance 72 months||760|
|MTX-48/H6||H6/3.4L||Replacement 36 months||Performance 36 months||760|
|MTZ-48/H6||H6/3.4L||Replacement 48 months||Performance 48 months||730|
- Battery: MTP-48/H6
- Warranty: Replacement 30 months, Performance 72 months
- Cold Cranking Amps: 760
- Battery: MTX-48/H6
- Warranty: Replacement 36 months, Performance 36 months
- Cold Cranking Amps: 760
- Battery: MTZ-48/H6
- Warranty: Replacement 48 months, Performance 48 months
- Cold Cranking Amps: 730
Sadly, your Porsche 911 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 911’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 signal that your battery is waving goodbye.
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. Drop in for a free battery check and, if needed, get your Porsche 911 a replacement battery. Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with Porsche’s service specs for 911 car batteries’ reserve capacities and cold cranking amps. Get help identifying the type and size of battery that's best for your 911, and schedule a fast car battery replacement at your earliest convenience.
We only want what’s best for your Porsche 911, which is why we carry just that. We install more than 700,000 car batteries a year using America's #1 replacement battery from Interstate Batteries. Interstate has been a leader in car battery reliability, charge capacity, and innovation. That's why you'll find Interstate Batteries in the engines of many a Porsche 911. Their powerful products are installed in forklifts freightliners, UTVs, and even boats! Your 1999 Porsche 911 needs a reliable battery to run optimally. That’s why you should choose Interstate Battery. Their products are Outrageously Dependable®.
Did you recently have a new 1999 Porsche 911 car battery installed? Great job! Now, help it last longer and stay charged by caring for it from the get-go. turning off all of the lights when you leave your vehicle, cutting back on unnecessary short trips, cleaning your battery posts, and avoiding radio and electronic component use when the engine is off.
Firestone Complete Auto Care has answers to your top car battery questions. If you have battery questions that are Porsche 911-specific, pay us a visit. Our technicians have the answers.
Don't let a failing battery slow you down. Shop replacement batteries for 1999 Porsche 911s today and schedule a quick installation at Firestone Complete Auto Care.