At Harold's Used Auto Parts Inc in Philadelphia, PA, we understand that maintenance is the difference between a truck that makes it to the million-mile mark and a truck that doesn’t come close. Here are some tips to keep your truck in shape for many miles to come.

Ride quality is an essential part of your driving experience. At Harold's Used Auto Parts Inc in Philadelphia, we strive to keep your car, truck, or SUV 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.

What is an HEUI System you may ask? When it was first introduced, HEUI systems revolutionized diesel technology in groundbreaking ways. Though other technologies have taken the forefront since its development, HEUI systems are still extremely common throughout the diesel industry. From our team here at Harold's Used Auto Parts Inc in Philadelphia, PA, here’s a quick look at how these systems work, and what the advantages are of having one.

At Harold's Used Auto Parts Inc in Philadelphia, PA, our priority is keeping your Dodge, Chevy, or Ford truck reliably on the road. A major aspect of that is catching small issues before they become bigger ones.

Is your diesel used for off-roading or towing? Are you looking for an increase in performance for your Cummins, Powerstroke, or Duramax truck? If so, a billet torque converter may be an option you’d like to consider. Here’s what you need to know about billet torque converters, from Harold's Used Auto Parts Inc in Philadelphia, PA.

We know you’re busy. At Harold's Used Auto Parts Inc in Philadelphia, PA, we also know that while there are certain issues with your car, truck, or SUV you can ignore for a while, some of them shouldn’t wait. While serious issues are often obvious, sometimes they aren’t - ball joints are one such case.

Does your steering wheel feel like it’s fighting you when trying to drive in a straight line? Does your truck turn too aggressively when you try to go one direction, and poorly when you try to go another? There are a few possibilities as to what it means if your truck resists going in a straight line. Harold's Used Auto Parts Inc in Philadelphia has the answers for you.

Trucks aren’t like cars...your average personal vehicle usually holds about 5 quarts of oil, and you are supposed to change it every 3-5k miles. However, the same logic doesn’t apply to large trucks. At Harold's Used Auto Parts Inc in Philadelphia, PA, we know how important proper oil changes and diagnostics are to keep your truck on the road, for hundreds of thousands of miles. Here’s what you need to know:

While most fleet vehicles are chosen for their reliability, low maintenance, and durability, sometimes maintaining several of them at a time can become overwhelming. Just keeping up with the maintenance schedule alone is a task and then to ensure you keep your scheduled routes for those fleet vehicles is another task in itself. Let Harold's Used Auto Parts Inc in Philadelphia put your mind at ease, with our fleet maintenance programs for any and all fleet vehicles. We will take the stress from your business fleet program and get your fleet trucks and fleet cars running at optimum performance with a routine that works for your business that often REDUCES costs!

At Harold's Used Auto Parts Inc in Philadelphia, PA, we know that your diesel pickup is more than just transportation; you want a truck that can perform, both at work, off-road, and on the street. A major aspect of your truck’s abilities lies in the suspension components you choose to install. Our team of expert technicians has the knowledge, equipment, and ability necessary to take your truck to the next level and provide you with a suspension setup tailored to your specific needs.

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.

Correct fluid levels are essential to keeping your Ram, Ford, or Chevrolet diesel pickup on the road. Luckily, checking your coolant, oil, brake, and transmission fluid are easy to do, and will save you from a variety of issues down the road. Here’s what you should know about keeping the fluid levels in your truck maintained, from Harold's Used Auto Parts Inc in Philadelphia, PA.

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.

Your injectors are the mechanism that delivers fuel into the cylinders of your diesel engine. As such, they’re clearly important. At Harold's Used Auto Parts Inc in Philadelphia, PA, we will diagnose, maintain, and repair any injector issues you may be experiencing with your commercial or fleet trucks, in a timely and professional manner.

Coolant flushes are an important maintenance procedure, necessary for keeping your truck reliably on the road. At Harold's Used Auto Parts Inc in Philadelphia, we know that coolant flushes are a key aspect of preventative maintenance that goes a long way.

You know Harold's Used Auto Parts Inc in Philadelphia is here to assist you with all your Chevy, Ford, or Dodge diesel pickup service needs. Sometimes, however, your trailer needs some attention too. Luckily, we’ll take care of that.

At Harold's Used Auto Parts Inc in Philadelphia, we know how much efficiency matters. When it comes to your truck, it’s equally important. Obviously, a huge chunk of your operating cost is fuel consumption, which is largely dependent on the truck's design. Fortunately, there are ways to greatly increase the efficiency of your truck, regardless of shape or size.

At Harold's Used Auto Parts Inc in Philadelphia, PA, we know the key to making your vehicle last; good maintenance. An overwhelming percentage of the problems we see, especially the really catastrophic ones, are a result of poor maintenance. While properly maintaining a vehicle can seem like a bit of a hassle, it is absolutely worth the payoff. Good maintenance is the only difference between a car that lasts 80,000 miles and a car that lasts 400,000 miles. Preventative maintenance and repair when a problem occurs are your two concerns, and both will keep your car on the road far longer if observed properly.

At Harold's Used Auto Parts Inc in Philadelphia, we know how important it is that your fleet benefits you as much as possible. One of the easiest ways to ensure this is by minimizing breakdowns. Breakdowns are expensive, time-consuming, and throw a wrench into operations; and as anyone who operates a fleet knows, time and efficiency are the most important factors in getting the most out of your fleet. Here are some tips on minimizing breakdowns in your fleet, from Harold's Used Auto Parts Inc in Philadelphia, PA.