Excellent service and bang for the buck …
Excellent service and bang for the buck sometimes I can't find the same thing I found before but love this place
By Steve
Saturday, November 7, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
724 reviews
Select a line to read only those reviews.
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.
724 approved reviews, newest moderated first
Excellent service and bang for the buck sometimes I can't find the same thing I found before but love this place
By Steve
Quality products at fair prices. My parts arrived quicker than I could have imagined. Will definitely be back for future upgrades.
By Dirk R.
Install was easy and awesome. Step by step instructions included! No other parts needed at all! It is the best bang for your buck! Top of the line exhaust setup!
By Noah
Product was delivered in 2 days (before shipping info was sent). Turns out it was damaged during shipment. I talked to a rep, sent some pics, and BOOM a new one was waiting for me when I got home the next day. I can't say enough about the customer service. I will indefinitely be ordering from DieselOps again.
By Rob T.
Quick friendly service, Tech support was awesome, All questions i have had were answered quickly and accurately. This is my go to store for diesel parts
By Customer
👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍
By TD
Order the parts online was easy the parts came to the door as described I did EGR delete with the exhaust delet and controller helped out with fuel mileage very happy with this product
By DaveCustomer
Parts for. My exact truck worked like a dream and for a good price
By Enrique B.