line of diesel trucks

Your turbocharger will work in essentially the same way, whether you drive a Powerstroke, Cummins, or Duramax diesel pickup. While there are differences in designs and applications, turbos haven’t changed all that much over the past century. Now that you know what one is made of, we’ll look at how it works.

mechanic with gloves on holding transmission parts

Transmissions are complex pieces of equipment. Systems and components rely heavily on one another, and everything needs to be in working order for proper function. When one thing fails, there’s a snowball effect, and malfunctions and damages begin to occur. What can you do to make sure you keep it working? At Harold's Used Auto Parts Inc in Philadelphia, PA, we want to help when you need it, but we also want to teach you how to maintain your vehicle on your own. Good maintenance is the single largest contributing factor to how long your transmission will last and how well it will continue to work. Here are a few key points on maintenance from the Harold's Used Auto Parts Inc technicians.

mechanic sitting in vehicle working on a screen

At Harold's Used Auto Parts Inc in Philadelphia, PA, we understand the importance of being on top of the latest in automotive technology. That’s why we invest heavily in top-notch diagnostic and programming equipment, and why we have technicians that know how to use it.

steering wheel

Good steering is an underrated and often neglected aspect of commercial truck driving. At Harold's Used Auto Parts Inc in Philadelphia, we believe in making sure you have the best truck possible, whether you’re hauling something across town or across the country.

codes on a dashboard

Transmission trouble codes are particularly annoying to the average driver. You might know what a misfire is, but what does it mean when you get a code for a failed governor pressure solenoid? Fortunately, Harold's Used Auto Parts Inc in Philadelphia, PA is here to help.

many tires on shelves

The type of tire you want on your fleet or commercial vehicle depends on a variety of factors, from climate to how you use the vehicle. There are multiple tire styles for most applications, and one of them is right for you. At Harold's Used Auto Parts Inc in Philadelphia, PA, we’re ready to help you make your choice. If you’d like to narrow it down before you come see us, here’s a short rundown of common tires that will meet your specific need.

oil being poured into car

At Harold's Used Auto Parts Inc in Philadelphia, PA, we understand all too well the importance of changing your oil regularly. Three to five thousand miles sounds like a lot, but it doesn’t really take that long to rack them up. The busier you are, the more you probably drive, and the more likely you are to forget it’s time to change your oil. Here are some reasons to pay attention to your oil changes, and help you better understand why oil changes are so important.

woman looking at engine with steam coming out

An engine overheating can cause irreparable damage - preventing that from happening is crucial to keeping your car, truck, or SUV on the road. Here’s a rundown on the causes of engine overheating, from Harold's Used Auto Parts Inc in Philadelphia, PA.

  • Jasper
  • Acdelco
  • ASE
  • Auto Zone
  • Berrodin
  • BF Goodrich
  • Bosch Automotive
  • Bridgestone Firestone
  • Cooper Tires
  • Customer Savings
  • Dunlop Tires
  • Fleet Services
  • Goodyear
  • Handicap Accessible
  • Hankook Tires
  • JASPER Marine
  • Kelly Tires
  • Michelin
  • Mastercraft
  • Motorcraft Parts
  • Pet Friendly
  • Radiator
  • State Inspection
  • Sumitomo Tires
  • Tires
  • Towing
  • Toyo
  • Uniroyal
  • 12 Month Warranty
  • Wifi Available

5347 Whitby Ave
        Philadelphia, PA

(215) 472-1552
Email the Shop
MON-FRI | 8:30 AM - 5:30 PM
SAT | 8:30 AM - 2:00 PM
SUN | CLOSED
Closed every third Saturday of the month