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

The heads on your commercial or fleet diesel are one of the most integral parts of your engine. The heads are comprised of the valvetrain, exhaust ports, intake ports, and injector ports. In essence, a head’s purpose is to regulate and time the intake of fresh air, the release of exhaust, the compression of fuel and air that provides combustion, and the entry point for fuel into the cylinder. The head is where all the complex aspects of engine operation occur...without it, you just have a chunk of metal with pistons in it, and no way to make them move. Here’s what you need to know about your heads, from Harold's Used Auto Parts Inc in Philadelphia, PA.

At Harold's Used Auto Parts Inc in Philadelphia, PA, precision and quality are our top priorities. That’s why we always employ ASE certified technicians - but what does that mean for you?

Fuel injection is one of the greatest innovations in automotive technology to date. From Harold's Used Auto Parts Inc in Philadelphia, PA, here’s a little more information on the fuel injector.

Ride quality is an essential part of your driving experience. At Harold's Used Auto Parts Inc in Philadelphia, PA, we strive to keep your truck as smooth and comfortable to drive as the day it came off the lot. Your shock absorbers play a huge role in ride quality; here’s what you should know.

Since the first automobile, vehicle electronics have become increasingly more complex with every passing era. In the modern-day, your car, truck, or SUV likely depends on an array of modules, sensors, and components that control every aspect of how your vehicle runs and drives. Here’s what you need to know about your vehicle’s electronics systems, from Harold's Used Auto Parts Inc in Philadelphia.

If you’ve ever been in an emergency braking situation, you’re probably all too aware that the brakes are the most important safety system on your vehicle. And like many other systems in a vehicle, the brakes need regular upkeep to continue functioning properly. One way to preserve the integrity of the braking system is through brake bleeding, and while it may not be as well known as certain services like oil changes, it is a key maintenance item for a vehicle.

Modern vehicles are becoming increasingly complex, and as a result, computer diagnostic systems are becoming a necessity rather than a convenience. At Harold's Used Auto Parts Inc in Philadelphia, PA, our state of the art technology and trained technicians are ready to diagnose any transmission issue you may be experiencing with your car, truck, or SUV.