At HHP, we understand how important it is to get the right parts for your engine. Our ASE-certified technicians can help you find the parts you need to get your vehicle out of the service bay and back on the road. With quality parts, fast shipping, top-of-the-line service, HHP takes the risk out of buying diesel engine parts

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We source our high quality parts from a variety of manufacturers across the country, giving us more opportunity to get you the exact part you need, as fast as possible. We have the ability to determine availability, price, and quality for you within minutes.

Welcome to Highway and Heavy Parts, LLC. (HHP)

We offer quick, simple and easy access to thousands of diesel engine parts dropped right at your door including Engine Rebuild Kits, Turbochargers, Cylinder Heads, Camshafts and Fuel Injectors. Our product lines cover On-Highway, Off-Highway, Power Generation, and Natural Gas markets. No matter what business you are in, we are confident we can meet your needs. Call us today at 844-215-3406!

What's New

Check Out Our New Product Line!

HHP is now offering Detroit Diesel Series 60 14L Cylinder Heads with a New and Improved Design for Optimal Performance.


  • 12-Month Unlimited Mileage Warranty
  • Backed by HHP's ASE-Certified Technicians
  • Enhanced structural integrity and durability

Buy HHP Black Series Injectors

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