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Collection of Caterpillar engine available at ATL Diesel in South Chillicothe, TX
Collection of Cummins engine available at ATL Diesel in South Chillicothe, TX
Cummins
Collection of Detroit Diesel engine available at ATL Diesel in South Chillicothe, TX
Detroit diesel
Collection of International engine available at ATL Diesel in South Chillicothe, TX
International/Navistar Parts
Collection of Mack/Volvo engine available at ATL Diesel in South Chillicothe, TX
Mack/Volvo
Collection of Paccar engine available at ATL Diesel in South Chillicothe, TX
Paccar MX13 Engine Parts

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Fantastic experience and great prices. The cam I ordered for my X15 is good quality and about half the price

―Jaebo Joe,
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Excellent parts and service

―Andres Garcia,
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I ordered an in frame kit for my International 530E and it arrived in no time. I dealt with Hector Robledo. He was very helpful. I called him with some technical questions and he was able to answer them perfectly. I now have an engine that runs like new again. Thank you very much

―Joe Schmidt,
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Very helpful and very knowledgeable!

―Daniel & Nicole Ortiz,
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Stand behind their products even when the manufacturer wouldn’t

―Bubba Hyde,
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Parts lived up to my expectations, just what I expected. Everything arrived on time and in great shape

―Debbie DeShazo,
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Their products and service is as advertised. Patrick was very helpful and his knowledge of what I needed was right on!

―Gary Bowman,
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Very friendly staff and prices are very reasonable I would highly recommend

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Wonderful service great product

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Best Selling

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Complete Engine Rebuild with All ATL Diesel Parts!

Installing a Cummins Engine bought from ATL Diesel in South Chillicothe, TX
Assembling all Cummins Engine parts bought from ATL Diesel in South Chillicothe, TX
Man rebuilding an engine using ATL Diesel parts available in South Chillicothe, TX

Diesel Engine Parts

ATL Diesel is the premier provider of diesel engine parts built to OEM specifications and engine part servicing for commercial vehicles, machinery, and more. Beyond a large selection of Caterpillar,  Cummins, Detroit Diesel, Navistar,  Mack, and other brand-name manufacturer’s new and remanufactured parts, we also offer some of the best customer service in the industry. Unlike other companies that are merely re-sellers, our  family-owned business has been a proud in-house remanufacturer of diesel auto parts for the past 50 years!

As a leading diesel engine parts supplier, we produce OEM-quality products for the vehicles and machinery that are vital to supply chains and global infrastructures.

With over 100 years of combined industry experience, we know diesel engine parts better than anyone else in the business. Our team members have specialized knowledge and training with every make and model of  cylinder head,  camshaft, and follower you might be using or need as a replacement. And the professional services we offer are as extensive as our inventories and our team’s knowledge and passion for diesel engine parts.

Reduce downtime and costs!  Contact us today to learn more about our diesel engine parts and services.