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

It’s no secret, commercial truck tires are expensive. The good news is, if one of your tires is experiencing issues, Harold's Used Auto Parts Inc in Philadelphia, PA has you covered. We want to make sure your fleet stays fully operational and you on the road! Here are some things to keep your eye on when it comes to your tires and tips to keep your tires lasting.

For the first several decades of automotive history, transmissions weren’t reliant on electronics for operation. Today, that simply isn’t the case. At Harold's Used Auto Parts Inc in Philadelphia, PA, we have the knowledge and equipment necessary to take care of even the most complex transmissions, no matter what type of car, truck, or SUV you drive.

Your fuel system is comprised of a variety of parts, each tasked with keeping your engine running strong - Chevy, Ford, and Ram all have small differences, and diesel systems have changed over the years with innovation in the field; however, the fundamentals haven’t changed. At Harold's Used Auto Parts Inc, our technicians are familiar with the differences between models and generations, but for the intents and purposes here they aren’t necessary to know. Here’s an overview of the major components you’ll find in most diesel fuel systems.

“Valve body” is one of those nebulous car terms you hear all the time, but nobody seems to really know what it is. At Harold's Used Auto Parts Inc in Philadelphia, PA, we know exactly what a valve body is, what it does, and are well equipped to address any issues your valve body may be experiencing.

Whether you drive a Porsche, Audi, BMW, Subaru, Land Rover, or other performance and luxury vehicles, your ball joints are an essential part of your car or SUVs performance and safety. From us at Harold's Used Auto Parts Inc, here’s what to watch out for, to make sure your ball joints are in shape and ready to go.

At Harold's Used Auto Parts Inc in Philadelphia, PA, we aren’t just in the business of fixing or maintaining your transmission. We’re here to help you make customizations and improvements as well.

Most commercial diesel engines these days are turbocharged. Turbos dramatically increase power and efficiency, particularly on diesel engines, which makes them a must-have item on engines that rely heavily on both. However, sometimes issues arise in turbo systems; at Harold's Used Auto Parts Inc in Philadelphia, PA, we can fix that.

Automatic transmissions are, to many, a mysterious aspect of automotive mechanics. Torque converters, on the same hand, are a mystery shrouded within a mystery. Here’s a basic rundown of how torque converters work, and how to know if yours is failing, from Harold's Used Auto Parts Inc in Philadelphia, PA.