Very responsive, quick delivery!
Shipped my item much quicker than expected. Very reasonable on price, smooth transaction.
By Aaron B.
Sunday, November 8, 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.
724 approved reviews, newest moderated first
Shipped my item much quicker than expected. Very reasonable on price, smooth transaction.
By Aaron B.
I am very pleased with my overall experience with this company. It shipped in no time, installed it with no problems and it looks great. Thanks again.
By Nick T.
AAA++++++++++++++++++
By a.j. F.
Returns e-mails promply
By Dan M.
Excellent experience.
By Curtis K.
My order was delivered very fast and their sales department was very helpful when we experienced installation issues.
By Shellie S.
if you try to get tech help, good luck. should send instructions
By Joe L.
Response from Diesel Ops· Jan 5, 2017
Hello Joe, I am sorry to hear you had an issue with getting some support on instructions and tech. This is something that I have implemented checks and some other features to make sure this kind stuff does not happen. This is something that I take personal and would like to chance to make right and prove to you that this does not happen. please give me a call and let me get the chance to fix this for you Thank you Chris (Sales Manager) 888-992-7299 ext 702
Item as described, fast shipping, great tech support, Thanks!
By Dale D.