Great company to work with!
I had a great experience there was a little mistake but they took care of it. All in all. I will continue to buy product through them!
By Customer
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.
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I had a great experience there was a little mistake but they took care of it. All in all. I will continue to buy product through them!
By Customer
Excellent service and great products
By Ryan
Great company to work with, quick shipment time. Thanks for helping get my truck back in service.
By Steve
quick and cheap
By Customer
I ordered the exhaust for my truck, great quality and really fast shipping and very easy to install
By 93Cummins
excellent help, quick ship and all around excellent service. Will do business again with them.
By Customer
I haven't had time to install any parts yet. Best customer service I've ever had to deal with!!!
By Customer
I ordered a cp3k through another company for 995 and they emailed me saying they have to charge me another 200 or refund the money because fleece raised there price so I ordered it for the same price and same day through this company no issues and it was at my door I'm less than 2 DAYS VERY Happy With This COMPANY
By Bryan