Large diesel truck

Keeping your fuel system maintained will prevent premature parts failure and poor running conditions. Here are some important aspects of diesel fuel system maintenance, to keep your fleet running smoothly. While your system and components should typically be serviced by a professional technician, there are some things you can be conscious of that will go a long way toward keeping your engine in good shape.

diesel maintenance

On gas engines, the fuel delivery system is pretty simple - an electric pump draws gas from the tank, and pushes it to the injectors. Diesel systems are a little more complex. At Harold's Used Auto Parts Inc in Philadelphia, PA, we like to keep you informed about what’s on your truck, how it works, and how to maintain it, so you stay reliably on the road.

fleet of vehicles

If you own or operate a fleet or commercial truck, there’s a lot that factors into having a major repair done on one of your vehicles. At Harold's Used Auto Parts Inc in Philadelphia, PA, we’re here to help you make the right choice.

If you drive a fleet or commercial vehicle, you log a lot of hours on the road. Inevitably, a flat tire is going to happen - it’s just a matter of knowing how to handle it when it does. Here’s what you need to remember, from Harold's Used Auto Parts Inc in Philadelphia, PA.

drive belt

Your drive belts are simple but integral components to the function of your car, truck, or SUV. At Harold's Used Auto Parts Inc in Philadelphia, belts are one of the first things we assess when looking over a vehicle, as they alone are in charge of operating your AC, water pump, alternator, and power steering.

technician

A good technician will give your car a quick inspection whenever you have maintenance performed. Fluid levels, tire condition, dashboard lights, and a variety of other items typically are briefly explored whenever you bring your vehicle in for maintenance. At Harold's Used Auto Parts Inc in Philadelphia, we're good at noticing things that need repair, but the fact of the matter is that only you know your car. You know when your car feels off when its been serviced last (or that it hasn't been serviced at all,) and have at least some vague idea of what’s going on with your vehicle day to day. Here are some questions you can ask us next time you come by the shop;

Part of maintaining your vehicle is keeping its safety devices in good working order, especially when there are kids in the vehicle. Seat belts, window locks, and airbag sensors work together to keep children safe in an automobile. Though safety components are generally very reliable, they do occasionally fail. Harold's Used Auto Parts Inc in Philadelphia, PA is here when they do; here are some things to watch out for.

mechanic handing keys to a customer

At Harold's Used Auto Parts Inc in Philadelphia, we are fully dedicated to providing excellent customer service. Our technicians work hard to ensure timely, friendly, and efficient maintenance and repairs that you can rely on.

  • 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