battery

At Harold's Used Auto Parts Inc in Philadelphia, we know how annoying a dead battery can be. Here’s some information on the subject, that will hopefully help you understand your battery issues a little better.

diesel engine

At Harold's Used Auto Parts Inc in Philadelphia, PA, we know that diesel engines play a huge role in many of our customers' daily ways of life. If you drive a Duramax, Powerstroke, or Cummins diesel pickup, you obviously appreciate the power of the diesel engine. Diesel engines are prevalent all over the road, but where did it all start, and why are diesel engines most commonly found in trucks today? 

At some point, while waiting for your tank to fill up, you’ve probably wondered what the difference is between the choices of gasoline at the pump. Typically, you see three buttons, with a number between 85 and 98, in ascending order and ascending prices. These numbers are octane ratings, which you probably know; but what is an octane rating, really?

Hand holding a racing flag in the air

Here at Harold's Used Auto Parts Inc, we take pride in our work and that’s why we choose only the best of products for our customers. We already have faith in Jasper Engines and Transmissions because of the products they provide and the warranty that backs them up, but this latest news justifies our choice even more. There are thirty NASCAR® team/driver combinations in 2021 that are using the JASPER 4-Speed Transmission. Of those thirty team/driver combinations, eighteen are being used for the NASCAR® Cup Series and twelve are being used for the NASCAR® Xfinity Series.

What are radial tires, where do they come from, and why are they important? If you own or operate a fleet or commercial truck, radial tires are an advancement you’re thankful for, whether you realize it or not. Here’s why, from Harold's Used Auto Parts Inc in Philadelphia, PA.

oil change

Once your diesel truck is back on the road, you’ll definitely want to keep it running strong. At Harold's Used Auto Parts Inc in Philadelphia, PA, we’ve got you covered.

Your vehicle is a vital part of your life; it takes you wherever you need to go and can last you a very long time if taken care of properly. A part of the care it takes to maintain the vehicle is taking it to repair shops in order to receive any necessary maintenance or fix any problems you may be experiencing. By choosing Harold's Used Auto Parts Inc in Philadelphia, PA, you can rest assured that your vehicle will get the proper care and maintenance required to remain durable for as long as you need it.

couple of technicians checking an engine

At Harold's Used Auto Parts Inc in Philadelphia, PA, we understand the importance of doing things right. That’s why we are in the business of hiring ASE certified technicians. After all, your car, truck or SUV is only as good as the quality of service it receives.

  • 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