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How Have EPA Emissions Regulations Affected Diesel Engines?
As you probably know, modern diesel engines are held to a strict set of regulations regarding…
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How HHP is Expanding Fulfillment to Keep your Diesel Engines Running, Keep Trucks Running
SHOP ENGINE COMPONENTS FOR YOUR HEAVY DUTY EQUIPMENT, FROM AMERICA’S TRUSTED DIESEL ENGINE PARTS SUPPLIER! /shop/…
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How Often Should I Change The Oil During Engine Break-In?
Proper break-in after an engine rebuild is something we’ve noticed that our customers don’t always know…
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How our XPI injectors get tested
When you’re looking for injectors for your diesel engine, we know you want the best.
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How The Unit Pump System Works In The Mack E7
Here at Highway & Heavy Parts, we pride ourselves on our extensive diesel engine knowledge and…
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How To Avoid Improper Installation Of VGT Turbochargers
When you spend the time and money to replace a part on your diesel engine, we…
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How to Build Value for Your Diesel Repair Shop
If you’re like many small business owners, you have no set exit plan for your business.…
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How To Check For Caterpillar 3406E/C15 Fuel In Coolant
If you’re running a C15 or 3406E diesel engine, you may have experienced your engine missing.…
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How to Choose an Engine Rebuild Kit
An engine rebuild is a large and expensive job, and choosing the right kit can seem…






