deployed airbag in car

At Harold's Used Auto Parts Inc in Philadelphia, PA, we believe it’s important for you to know how different systems in your car, truck, or SUV operate. Whether you want to know what to watch out for, or you’re just curious about how things work, we’re here to supply the answers.

Automotive radiator

At Harold's Used Auto Parts Inc in Philadelphia, PA, we know how annoying little quirks and issues can be. A common problem vehicles experience is a cooling fan that doesn’t kick on and off when it’s supposed to. While a fan that won’t kick off is far less troubling than a fan that won’t turn on, it’s still a problem that needs to be fixed for a variety of reasons. Here’s why, and what you should do.

seat belt

At Harold's Used Auto Parts Inc in Philadelphia, were huge fans of seatbelts. They dramatically reduce the chances of being injured in an automobile accident, and in many cases, they are the difference between a fatal crash and walking away unharmed. But how long has the seat belt been around? When did wearing it become law?

mechanic holding tool in shop bay

Looking for the best auto service in town? Why stop there? At Harold's Used Auto Parts Inc, we're not only home to the best service you'll find here in Philadelphia, PA, but the best you'll find - anywhere. 

auto image

For obvious reasons, air brakes are an essential part of your rig. They also add a level of complication to the braking system that a conventional vehicle doesn’t have. At Harold's Used Auto Parts Inc in Philadelphia, our mechanics have the knowledge, equipment, and ability necessary to keep your air brakes in top shape.

oil being poured into a funnel

Trucks aren’t like cars...your average personal vehicle usually holds about 5 quarts of oil, and you are supposed to change it every 3-5k miles. However, the same logic doesn’t apply to large trucks. At Harold's Used Auto Parts Inc in Philadelphia, we know how important proper oil changes and diagnostics are to keep your truck on the road, for hundreds of thousands of miles. Here’s what you need to know:

truck in showroom with sun showing through the window

At Harold's Used Auto Parts Inc in Philadelphia, we know there’s a lot of conflict on when you should maintenance certain things on your truck. We also know there are consequences to neglecting maintenance; the difference between a truck that breaks down all the time and a truck that has covered over a million miles virtually trouble free all boils down to maintenance.

trucks on road

At Harold's Used Auto Parts Inc in Philadelphia, PA, we have the facilities, equipment, and technicians necessary to complete any job, no matter how big or small. When it comes to fleet and diesel trucks, the right people with the correct equipment makes all the difference - we’ll keep your truck reliably on the road, and we’re the fastest, most efficient repair facility in the business. When it comes to trucks this size, and this valuable, cut-rate maintenance and repair simply won’t do; you need professionals, with the tools and equipment necessary to get the job done right.

  • 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
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MON-FRI | 8:30 AM - 5:30 PM
SAT | 8:30 AM - 2:00 PM
SUN | CLOSED
Closed every third Saturday of the month