Our Collections

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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

See Our Most Recent Google Reviews!

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We've bought a few different engine parts for different engines with ATL Diesel and they deliver everytime. They are fair and work with you because everything nowadays is expensive but they are trying to help keep the outta pocket costs low. I appreciate what they are doing and will buy from them in the future!

―Cody Davidson,
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Great people to deal with they did everything I needed went though process to make sure it was the proper part and had fast shipping

―Stephen Bradley,
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very good

―Mervan Senior,
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They got me the right part at a fair price and I got it in 2 days

―Dustin Ellis,
AAAAA

Very satisfied with the purchases we have made from ATL Diesel. Ordering process was very easy and we received both of our orders faster than expected. Our products were packaged very securely. ATL is definitely number one in customer service and product quality. Highly recommend!!!

―Teresa Walton,
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Great service and prompt.

―Evan Marrs,
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Muy buena calidad de el arbol de levas

―Fernando Flores,
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The parts came within 3 days, no damaged boxes, everything i ordered was right for the Cummins x-15 rebuild. I'm a very happy customer.......Thank You

―Steve Brown,
AAAAA

GREAT SELLER, HAD ITEM SHIPPED TO ME IN AN INSTANT

―Pat Lantto,

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.