sinisterdiesel.com Reviews
About this CompanySinister Diesel is your one stop shop for Ford F-250 & F-350, Chevy Silverado, GMC Sierra, and Dodge Ram diesel performance parts. Sinister Diesel is also the number one source for Diesel aftermarket components, exhaust systems and diesel tuners, for Ford Super Duty Powerstroke, Dodge Ram Cummins, GMC Sierra 2500HD/3500HD Duramax and Chevy Silverado 2500HD/3500HD 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.
Top Rated Products
Shopper Approved collects trusted reviews from customers who have made a verified purchase.
Mason - 1 day ago
Really good quality rebuilt ficm. I trust this one much more than one from auto parts store for a similar price. The grey paint is a nice touch, makes it feel premium too. Once installed forscan shows rock steady 48v all of the time, under load, at idle, cruising etc.
Company Choice
Best value for the parts I need from a good company and I trust you guys know what you're doing.
1 Company Review
1 day ago - MN
Good products from an easy to use website
Grady C - 1 day ago
I wish I didn’t have to use it, but I guess it helps keep my check engine light off
Company Choice
The color definitely looks sharp. But I am disappointed in not having a way to help the air flow issue
1 day ago - TX
There is not enough help that can be provided for 2023 Ram 2500 6.7l trucks. My CEL came on immediately after installing cold air intake pipe and filter. Followed instructions and it won't go off. I have reached out to K&N and they are working to fit a larger air parameter MAF sensor if I purchase a tube and filter from them. I don't really want to spend another $500 but if they guarantee the CEL to go off I will definitely go to K&N Sinister Diesel doesn't have a product to help the influx of more air into the turbo?
Charles A - 3 days ago
Great parts at a great price. VERY HAPPY!
Company Choice
REPUTATION OF QUALITY PARTS
3 days ago - NC
Always good parts and competitive pricing
jameson F - 4 days ago
Awesome display, and easy to use
Company Choice
Prices and availability
4 days ago - TN
Best price on this tuner
Joseph P - 4 days ago
Increased breathability and horsepower. Amazing look and more efficient delivery of air. Expensive but worth it.
Company Choice
Favorite color is blue
4 days ago - NC
I enjoy sinister diesel products. Reliable, not affordable, but worth it.
Ben C - 4 days ago
Awesome fix for the crappy stock plastic part that will blow up on you like mine did
Company Choice
Reviews
4 days ago - MD
Good experience
Joseph P - 4 days ago
Sinister diesel products have always been expensive, And in this economy We are all strapped for Cash, however, you get what you pay for And sinister diesel products Are of a high quality And you know they are reliable. sometimes when I purchase these products I cringe but I know in the long run I am buying a reliable sturdy product that perform Beyond cheaper quality items.
Company Choice
Favorite color is blue
4 days ago - NC
I enjoy sinister diesel products. Reliable, not affordable, but worth it.
Chrystian S - 5 days ago
Old crummy engine head cover had to go sinister diesel came through
Company Choice
Bought a cold air intake and pipe kit from y’all
5 days ago - IA
Easy and helpful
Douglas B - 5 days ago
Shipped quickly, packaged securely, installation was simple and easy, and looks great. My 2003 Ford Excursion looks brand new.
5 days ago - ID
Excellent
chris K - 6 days ago
recieved promptly,no damage
Company Choice
well known
6 days ago - TX
excellent
Dan P - 6 days ago
Haven’t had time to install it yet but looks perfect arrived on time no shipping damage
Company Choice
Quality
6 days ago - CA
Perfect no issues no shipping damage will buy again
omar G - 1 week ago
So far so good. Only time will tell.
Company Choice
Mechanic recommended
1 week ago - TX
Easy purchase and timely delivery. Happy with product so far!
klissmann C - 1 week ago
Fit perfectly on my power stroke
Company Choice
High quality parts for diesel trucks
1 week ago - VA
Nice customer service
Bradley M - 1 week ago
just a great buy and a great look
Company Choice
It's beautifully made
1 week ago - OR
super easy
Bradley M - 1 week ago
what a great buy and great look.
Company Choice
It's beautifully made
1 week ago - OR
super easy
Jamieeiss E - 1 week ago
You were backordered customer waited. Long time wasn’t notified that there was no back order then you still did your standard shipping products great always loved the product. Would’ve been nice to know if there was a backorder on the part took forever to get customer service never get the email so I couldn’t track anything and never sent me information after several calls.
Company Choice
Why I choose your company pricewise is good. We do prefer it’s a good product especially for the Ford 6.0 there’s always bulletproof.com but if you want to split the hair for the cost, you’re way more cost-efficient.
1 week ago - NC
Several calls email customer service cannot get right after several calls never input the email right never got tracking information. Never notified it was backordered put way behind schedule on the customers vehicle because we were not notified. I understand if it was on backorder to make up time you could've had it overnight delivery for the inconvenience, since we were notified
Nathan D - 1 week ago
Was great quality and fast shipping
Company Choice
Heard great things
1 week ago - NH
It was fast and easy
Jay P - 1 week ago
Item looks great and doesn't snag like the original
Company Choice
I've heard great reviews about their products.
1 week ago - TX
Everything is listed by vehicle! It's awesome!
terry Y - 1 week ago
solid products
Company Choice
good solid product
1 week ago - NV
easy peezzzzzzzzzzz...... install
Jay P - 1 week ago
Item looks great and doesn't snag like the original
Company Choice
I've heard great reviews about their products.
1 week ago - TX
Everything is listed by vehicle! It's awesome!
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