Unfortunately UPS lost my package but their help center saved the day. I spoke with Katy over the phone at there help center and within a matter of 2 days she was able to get my order rectified and re... Toon meer
Bedrijf heeft geantwoord
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Received the Sinister on engine billet fuel filter. Installation was a breeze. Feel a Lot more confident that I have avoided a major issue with this installation. Have a few more items I plan to purc... Toon meer
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I ordered the oil cooler and coolant filtration system because my deltas were off. This fixed my issues and I am now running with in range. Everything arrived complete and I had no issues getting it i... Toon meer
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Parts ordered were packed well i protective packaging and shipped quickly. Received everything in approximately 4 days in very good condition, all parts fit exactly and were very easy to install. De... Toon meer
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Bedrijfsgegevens
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Sinister Diesel is your one stop shop for Ford, Chevy, GMC, and Dodge diesel performance parts. Sinister Diesel is also the number one source for Diesel Racing Components, Exhaust Systems, Tuners, Ford Powerstroke, Dodge Cummins, and GM Duramax engine repair parts, upgraded EGR coolers, lighting, bumpers, grilles, and suspension components from our parent company Sinister MFG & Sinister Diesel®. We offer the biggest names in the industry to help you repair or modify your Powerstroke, Cummins, or Duramax diesel engine.
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- sinisterdiesel.com
4,6
Uitstekend
4K reviews
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Heeft 66% van zijn negatieve reviews beantwoord
Reageert doorgaans binnen 1 week
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love the product but takes way to long to come
love the product but i just ordered a side charge pipe kit for my 6.0 and its been over a month since i even received an email about it i have no idea where its at and still waiting on a shipping email
25 juli 2025
Review zonder uitnodiging
Antwoord van Sinister Diesel
Hey Gauge - we apologize on the delay. We had one piece of the kit on back-order and unfortunately that delayed out your order. We do send a back-order email and it is usually followed up with a phone call. We will use your feedback to better our system. It does show that your order went out on 7/25 and should have been delivered. Please reach out to us directly with any issues. Thank you for your business.
Had everything in the kit to bullet…
Had everything in the kit to bullet proof the top of the engine.
7 juli 2025
Review zonder uitnodiging
Always great dealing with SD
Always great dealing with SD! Great service and products.
21 juli 2025
Review zonder uitnodiging
I was excited to get parts for my new…
I was excited to get parts for my new truck . I placed 2 orders at different times only to be notified they were both on back order . The thing I don’t like was that they took my money knowing they didn’t have the product ,I left an email and they did call me back . She said next time call sales because the website doesn’t have a counter. I did find what I wanted through Amazon but it ended up costing me more money !
24 juni 2025
Review zonder uitnodiging
SINISTER 7.3 Intake elbow W/ boots
I purchased the SINISTER 7.3 Intake Elbow W/ Boots Kit. The only thing that I didn't like but I knew about before I ordered. Was that the kit doesn't come with the boots pictured. It comes with the upper & lower intercooler pipe boots. Not the plenum to intake boots & upper intercooler pipe boots that are pictured when purchasing. Othewise it was packed very well came with three stickers & instructions black and white however also you can find the color instructions online. Very easy to install and looks sharp was very pleased with my sinister experience
12 juni 2025
Review zonder uitnodiging
It’s a good looking product
It’s a good looking product. Haven’t installed yet. Manual is well written
1 juli 2025
Review zonder uitnodiging
Easy to install
Communication was great and product was easy to install
11 juni 2025
Review zonder uitnodiging
So was given multiple tracking numbers…
So was given multiple tracking numbers for one item that was confusing. Exhaust tip arrived fast but box was smashed and the tip dented. I had to roll the edges of the exhaust tip with channel locks to get it round again, so it would slide on my exhaust.
28 mei 2025
Review zonder uitnodiging
Antwoord van Sinister Diesel
Hey! We would love to help out with this - if it was dented we would like to make a claim with the shipper and get a replacement out to you. I'm checking in with our customer service reps, but it is hard to find an order without a name. If you do not want to put your name on here, please reach out to us on the help center or give us a call (888) 966-6543. We stand behind our products and our customer service.
Great customer service and honored a…
Great customer service and honored a promo code the day after I place the order would definitely buy from them again
1 juni 2025
Review zonder uitnodiging
Easy website to navigate
Easy website to navigate. Parts were available and correct.
21 mei 2025
Review zonder uitnodiging
Good parts but the metal clip that…
Good parts but the metal clip that holds the top keeps slipping off.... so need to figure that out
1 juni 2025
Review zonder uitnodiging
Antwoord van Sinister Diesel
Update: I was updated that customer service reached out & two retaining clips are on their way to you!
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Thanks for the feedback! Glad to hear you're happy with the parts overall, but sorry to hear about the clip giving you trouble. That shouldn’t be happening. We’ll be reaching out to see how we can help get this sorted, but feel free to contact us directly as well—our team’s always here to make sure everything’s working the way it should. We stand behind our products and want to get you taken care of.
I placed my order online it fast
I placed my order online it fast, convenient, and easy!
19 mei 2025
Review zonder uitnodiging
Antwoord van Sinister Diesel
Thanks for the feedback! Glad to hear the fit was spot-on—appreciate you going with Sinister!
Great kit and arrived quickly
Great kit and arrived quickly. Fit and finish were excellent.
1 mei 2025
Review zonder uitnodiging
Antwoord van Sinister Diesel
Thanks for the kind words! We’re glad the kit arrived fast and met your expectations on fit and finish. Appreciate your support!
Had a missing part but the…
Had a missing part but the communication and getting the part was quick.
10 mei 2025
Review zonder uitnodiging
Antwoord van Sinister Diesel
Appreciate your patience and understanding! Glad our team was able to get the missing part out to you quickly. Thanks for giving us the chance to make it right!
Antwoord van Sinister Diesel
Appreciate the feedback! Glad we could deliver quickly and reliably—thanks for choosing Sinister!
S. Welch
Unfortunately, the oil filter would not fit in the space for this system but….Timely and helpful customer support saved the day. I had to purchase another, smaller, filter and then the system worked..
30 april 2025
Review zonder uitnodiging
Antwoord van Sinister Diesel
Thanks for the honest feedback! While we’re sorry to hear the original filter didn’t fit as expected, we’re glad our support team was able to step in and get things sorted quickly. Appreciate your patience and understanding—and thank you for giving us the opportunity to make it right!
24 valve Cummins cold intake and intake horn
I bought the cold air intake and the intake horn for my 24 valve Cummins and not only did it make it run better but also cleaned up my engine bay and made it look very nice.
9 april 2025
Review zonder uitnodiging
Antwoord van Sinister Diesel
Appreciate the great feedback! Awesome to hear the cold air intake and intake horn gave your 24 valve Cummins a boost in performance and cleaned up the engine bay. That combo of function and looks is what we’re all about—thanks for choosing Sinister!
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