Diesel Trucks - Harold's Used Auto Parts Inc | Philadelphia, PA

Are oil changes getting more expensive?

oil being put into the car

At Harold's Used Auto Parts Inc in Philadelphia, PA, it’s important to us that you see the value in the work we do. Over the course of 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’s a lot of differentiation in pricing at different locations. What’s going on?

Diesel engines: the essentials

mechanic working on diesel engine

When you think about diesel engines, you probably think about large trucks and machinery, and maybe a few oddball cars over the years.  But how long has diesel really been around, and why is it used the way it is today? Harold's Used Auto Parts Inc in Philadelphia, PA has the answers you need to become more in-tune with your diesel truck and engine. 

Different Types of Automotive Headlights

headlight on on vehicle

Every car, truck, van, and SUV on the road today has headlights. However, you've probably noticed an increase in different types of headlights in more recent years - gone are the days where every vehicle on the road had the same bulb. Here is some information on headlights, from Harold's Used Auto Parts Inc in Philadelphia, PA.

Engine ticking and knocking sounds - what they mean, and what to do about them

mechanic repairing diesel engine

Is your engine knocking or ticking? Here’s some information on engine noises, what they mean, and what to do about it, from Harold's Used Auto Parts Inc in Philadelphia, PA.

Whenever your engine starts making a noise it shouldn’t be making, it’s always a cause for concern. If you’re hearing a rhythmic ticking or knocking sound, definitely have it checked into immediately. Here are some causes of engine ticks and knocks, and what to do about them.

Is Your Diesel Engine on it's Way Out?

Smoke coming out of muffler

Diesel engines are known for their durability, but even the best engine has to be replaced every once in a while. At Harold's Used Auto Parts Inc in Philadelphia, PA, we want you to be aware of signs that your engine is about to call it quits.

Keeping your diesel fleet trucks on the road longer.

diesel repair logo image

Keeping your fuel system maintained will prevent premature parts failure and poor running conditions. Here at Harold's Used Auto Parts Inc we have tips on the important aspects of diesel fuel system maintenance, to keep your diesel fleet trucks running smoothly - longer.

Air.Air in the system causes all kinds of issues, from hard starting, poor running conditions, or an engine that won’t run at all. If too much air gets in the system, the fuel pump won’t be able to deliver fuel, and the engine will stall, die, or fail to start.  Air enters the system via a leak or a bad seal - a deteriorated o-ring, worn component, faulty hose, or otherwise. Here we inspect your lines and connections to ensure they are in good shape and track down any leaks we notice air in the system.

Take care of it or high repair bills? Which do you prefer?

Oil gunked up on an engine.

We see this with our fleet customers, our regular Philadelphia car pool drivers and our diesel truck drivers so it isn't just one type of driver that ends up with a nightmare on their hands costing thousands of dollars to repair, asking about the costs of a JASPER replacement engine!  The fact is your driving habits and maintenance habits can easily avoid this issue!  6 EASY STEPS - Service, Tires, Don't Ignore Service Engine Lights, Keep it Clean & Stop Driving Crazy!

Transmissions - the key to better fuel economy

automatic transmission

There have been a lot of technological advancements, and breakthroughs in efficiency to make modern cars, trucks, and SUVs so much more fuel-efficient than their counterparts. While engine design certainly plays a huge role, automatic transmissions have come a long way as well, contributing greatly to the gas mileage of your vehicle. From Harold's Used Auto Parts Inc in Philadelphia, PA, here are some ways transmissions have changed to meet the demands of fuel efficiency.

Your Diesel's Tire Guide

truck tires

Whether you drive a Ford, Chevy, or Ram diesel truck, your tires are an important aspect of the way your truck performs. At Harold's Used Auto Parts Inc in Philadelphia, PA, we’re here to keep you in the loop on what type of tires are out there for you, and what your tires say about the condition of your truck.

  • Jasper
  • Acdelco
  • ASE
  • BG Products
  • Cummins Diesel
  • Duramax Diesel
  • Fleet Services
  • Flowmaster
  • Magnaflow
  • Motorcraft Parts
  • Ford Power Stroke Diesel
  • RV Repair
  • Tires
  • Towing

Harold's Used Auto Parts Inc

5347 Whitby Ave
Philadelphia, PA 19143

location small (215) 472-1552
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SHOP HOURS

Weekdays:   8:30 AM - 5:30 PM
Saturdays: 8:30 AM - 2:00 PM

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