About Us

Heavy Duty Kits has over 30 years experience in the heavy duty diesel industry. We serve engineers, retail parts stores, shipping companies among others as distributors of high quality engine parts and rebuild kits for all of the major heavy duty diesel engine makes including Detroit Diesel, MTU, Cummins, Caterpillar, International / Navistar, Komatsu, Perkins, John Deere, Allis Chalmers, Case, Deutz & more!

We pride ourselves in our ability to determine and deliver the best parts to our customers at a reasonable cost. We also rely on strong relationships with only reputable US companies like Interstate McBee, Mahle-Clevite, FP Diesel, IPD, Maxiforce, CTP, & KMP among others to provide us with consistently high-quality product. Many of our parts come with a two-year manufacturer’s warranty with exceptional quality and craftmanship.
HD Kits understand how important it is to get your diesel back up and running as quickly as possible so we have strategically installed distribution centers all around the country, which allows us to get your parts shipped to you, no matter where you are within the continental United States, within 48-72 hours.
Give us a call so we can help get your diesel engine back up and running as quickly and as inexpensively as possible. Our friendly and knowledgeable sales associates are standing by!
Signs or symptoms that may indicate it might be time to rebuild your diesel engine:
Low Power
Poor Fuel Economy
Hard Starting
Multiple Parts Failures
Blue or White Smoke
Low Compression
High Oil Consumption
Wear Metals in Oil
QUESTIONS? GIVE US A CALL @ 1-888-642-6460 
OR EMAIL US @ parts@heavydutykits.com