Automotive Industry News & Information - Harold's Used Auto Parts, Inc.

At Harold's Used Auto Parts Inc in Philadelphia, 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.

At Harold's Used Auto Parts Inc in Philadelphia, PA, we understand that there are endless ways a transmission can sound, behave, and feel, depending on what type of vehicle it’s in, what type of transmission it is, and the state of the vehicle’s repair. Sometimes, when people buy a different vehicle, they notice it doesn’t act the same as their last vehicle, which leads them to believe there is a problem.

Glow Plugs are an essential component of your diesel engine. However, a faulty glow plug can go unnoticed or be neglected for quite some time; your truck will still start and run, so it’s an easy issue to overlook. At Harold's Used Auto Parts Inc in Philadelphia, we want you to know what to look for, and why you should be concerned with a bad glow plug.

In the old days, when your headlight burned out you just replaced the entire thing with a new glass bulb. Modern headlights are plastic assemblies, with a bulb inserted through the back. What this means, is that the plastic lens that light shines through never gets replaced, and eventually will begin to oxidize and deteriorate due to time, weather, and heat from your bulb. Today you will learn when it’s time to fix or replace your headlight assemblies, what options you have in doing so, and what the benefits are.

Your fleet or commercial truck works hard, every day. Most commercial vehicles are heavy, and constantly under load. As a result, your brakes will inevitably develop issues over time. At Harold's Used Auto Parts Inc in Philadelphia, PA, we can fix that.

fuel nozzle that reads diesel being put into a fuel tank on vehicle

Fuel Systems are particularly important on diesel trucks, whether you drive a Ford, Chevrolet, or Dodge pickup. At Harold's Used Auto Parts Inc in Philadelphia, fuel system maintenance and repair is a service we prioritize, since we know how essential a reliable fuel system is.

a car with lines and details over it like a computer screen

Your Vehicle Identification Number, or VIN, is essentially your car’s fingerprint. In its entirety, it is specific only to your car. Each car has its own unique VIN number and can be decoded to provide manufacturing and identification information on any vehicle on the road. Date of manufacture, manufacturer, vehicle type, where it was made, and options such as engine and transmission type, whether a car is a two or four-door, and a multitude of other specifications can be gleaned from a VIN number. Essentially, a VIN number will tell you exactly what a car is and where it came from, without even having to see the car.

At Harold's Used Auto Parts Inc in Philadelphia, we know that transmissions are one of the greatest technological marvels of the automotive world. How does a standard shift transmission work? Why should you care? Our expert technicians here at Harold's Used Auto Parts Inc in Philadelphia have the answers.