These days, it seems like the oil options for your oil changes are limitless - full synthetic, blends, conventional, high mileage, and the list goes on and on. We are frequently asked if it's okay to switch between oils, and how do you know what is okay to use? At Harold's Used Auto Parts Inc in Philadelphia, PA we're here to help you answer that question. When it comes to engine oil, the answer to this question can be as complicated or as simple as you want it to be!

If you drive a Dodge, Chevy, or Ford diesel pickup, you know the amount of hard work your truck puts in. You may also be aware that diesels run a little dirtier than your average gas burner. At Harold's Used Auto Parts Inc in Philadelphia, PA, our goal is to keep your Duramax, Cummins, or Powerstroke truck on the road for many miles to come. A huge part of that is keeping your oil maintained.

These days, it seems like the oil options for your oil changes are limitless - full synthetic, blends, conventional, high mileage, and the list goes on and on. We are frequently asked if it's okay to switch between oils, and how you know what is okay to use? At Harold's Used Auto Parts Inc in Philadelphia, PA we're here to help you answer that question. When it comes to engine oil, the answer to this question can be as complicated or as simple as you want it to be!

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:

Are you leaking oil? Our technicians atHarold's Used Auto Parts Inc in Philadelphia, PA can help. Oil leaks not only mess up your driveway but also make a mess under the hood and cost big when it comes to related repairs and maintenance.  They can also cause serious inconvenient issues and are when best-taken care of immediately.   

Everyone from mechanics, to your uncle that works on cars, has at some point given you advice concerning engine oil. The fact of the matter is that while we are familiar with words like “synthetic” and “oil weight,” many people don’t know exactly what the terminology means, or why common knowledge about oil exists in the form that it does. At Harold's Used Auto Parts Inc in Philadelphia, PA, we keep things clear and simple. The more you know about your vehicle, the better equipped you are to keep it maintained, and we know a thing or two about vehicles. We have compiled a short list of common myths for you, most of which you’ve heard, but maybe never second guessed.

Whether it’s a result of maintenance, mileage, or some other factor, it seems that every fleet or commercial diesel leaks a little bit of something. Oil, transmission fluid, gear oil, or coolant seem to find a way to pool overnight on the ground after a long day on the road. At Harold's Used Auto Parts Inc in Philadelphia, PA, we can take care of that for you.

Oil changes are integral to the performance, longevity, and reliability of your diesel truck. At Harold's Used Auto Parts Inc in Philadelphia, our expert mechanics understand the importance of good quality oil, changed at correct intervals, in allowing you to get the most out of your Cummins, Powerstroke, or Duramax diesel.

At Harold's Used Auto Parts Inc in Philadelphia, PA, we know that over the past decade, depending on what type of car, truck, or SUV you drive, it may seem like oil changes have gotten more expensive, and there are more options from synthetic to standard 10w/30 oil.  What kind is best for your vehicle and is the higher price worth the cost? 

Diesel trucks are known for their incredibly reliable engines. At Harold's Used Auto Parts Inc in Philadelphia, we know that the key to a reliable engine is good maintenance. In fleet trucks, the difference between a truck that lasts a million miles and a truck that needs new engine hinges on how well it has been maintained.

While diesel engines have become more common in trucks and certain cars, overwhelmingly the most common car, truck, and SUV powerhouse found on the road today is the gasoline combustion engine. At Harold's Used Auto Parts Inc in Philadelphia, our technicians are skilled in every aspect of gasoline engine maintenance and repair, to keep yours reliably on the road and running strong.

Changing the oil in big trucks and commercial vehicles is an expensive, but necessary, part of keeping your vehicles going. You don’t want to wait until it’s too late to change your oil, but changing it too early can be a waste of time and money. Having your oil tested regularly helps us to hone in on exactly how often your oil needs to be changed, to optimize reliability and efficiency.

At Harold's Used Auto Parts Inc in Philadelphia, we understand all too well the importance of changing your oil regularly. Three to five thousand miles sounds like a lot, but it doesn’t really take that long to rack them up. The busier you are, the more you probably drive, and the more likely you are to forget it’s time to change your oil. Here are some reasons to pay attention to your oil changes, and help you better understand why oil changes are so important.

At Harold's Used Auto Parts Inc in Philadelphia, we understand all too well the importance of changing your oil regularly. Three to five thousand miles sounds like a lot, but it doesn’t really take that long to rack them up. The busier you are, the more you probably drive, and the more likely you are to forget it’s time to change your oil. Here are some reasons to pay attention to your oil changes, and help you better understand why oil changes are so important.