Excellent.
Excellent.. Good quality Good service ...
By Miami Machinery S.
Monday, November 9, 2026 · Customer reviews of US businesses

The Fair Hearing score
Great
127 reviews
Select a line to read only those reviews.
Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Heavy Duty Kits Has Over 30 years experience in Supplying Diesel Engine Rebuild Kits, Overhaul Kits, and parts for CAT, Cummins, Mack, Navistar and for other Engines, Call +1-888-642-6460 to order.
HeavyDutyKits.com (heavydutykits.com) has 127 customer reviews on The Fair Hearing, with an average rating of 4.4 out of 5.
Showing 104 reviews with 5 stars · Clear filters
Excellent.. Good quality Good service ...
By Miami Machinery S.
These guys are great. I bought a complete kit for my Perkins 4-318, I didn't start my rebuild right away, and when I did I found a couple bad parts from MaxiForce. Their customer service made it right even though I sat on the kit for almost 2 years. Thanks HD Kits!
By Mark
Excellent Service
By alpha T.
Awesome service and good quality parts.
By MG Services V.
Always great to work with. Never a dull moment. Jose get what I need all the time.
By Art
Todo bien con un buen trato gracias
By Javish V.
quality parts and good service
By ronald B.
It is a very good company, its workers are kind and helpful people, their inventory is very good ... and if they do not have it, they get it.
By Zeidy