Excellent!
Happy received all the parts for the kit quickly and good quality. My 6.7 f250 is a beast now and no more CEL wish I would have done this before taking to dealership
By JD
Monday, November 9, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
724 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Shop Aftermarket Diesel Parts for your Cummins, Powerstroke, Duramax, or any Diesel Vehicle. We specialize in quality products with better customer service!
Diesel Ops (dieselops.com) has 724 customer reviews on The Fair Hearing, with an average rating of 4.7 out of 5.
Showing 615 reviews with 5 stars · Clear filters
Happy received all the parts for the kit quickly and good quality. My 6.7 f250 is a beast now and no more CEL wish I would have done this before taking to dealership
By JD
Guy was great help on the phone, and parts came fast. Will come back again for more parts. And definitely recommend Diesel Ops
By B-
Had an awesome experience dealing with Diesel Ops. Everything was quick and smooth.
By Clayton S.
Corey helped with questions I had, great guy to work with!
By Judd
Thanks for all of your help and the free 2 day shipping.
By Ladson G.
As the title states the customer service is outstanding. Ordered around noon on monday my packages were at my door wednesday. I will be a repeat customer for sure.
By Customer
I was impressed with the price and how fast i recieved my new clutch. Have put about 1000 miles on it and it is fantastic. Great seller.
By Customer
These guys are awesome! Great prices and their customer service and support is outstanding! I recommend this company too everyone I see even if they don't own a diesel! They help out in anyway they can and will work step by step with you. If I could buy stock in this company I sure would!
By Benjamin W.