sinisterdiesel.com Reviews

About this Company

Sinister 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.

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Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
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Johj - 01/17/2022

Installed really easy…. Havent ran truck to see if i have any improvements

Johj

01/17/2022

Goid


Sinister Diesel Radiator Pipe for 2011-2016 GM Duramax 6.6L LML
Shopper Approved - Verified Customer
Sinister Diesel Radiator Pipe for 2011-2016 GM Duramax 6.6L LML
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Jason P - 01/12/2022

Would highly recommend

Just as described.

Company Choice

Great product

Jason P

01/12/2022 - OK

Always a good experience.


Sinister Diesel FlexFit Pitbull Hat (Black/Blue)
Shopper Approved - Verified Customer
Sinister Diesel FlexFit Pitbull Hat (Black/Blue)
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Jason P - 01/12/2022

If you like sinister.......

Fit like it should.

Company Choice

Great product

Jason P

01/12/2022 - OK

Always a good experience.


Sinister Diesel Bypass Oil Filter System for 2013-2018 Dodge Cummins 6.7L
Shopper Approved - Verified Customer
Sinister Diesel Bypass Oil Filter System for 2013-2018 Dodge Cummins 6.7L
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Bryan - 01/11/2022

Have not installed it yet, but material and parts are top notch.

Company Choice

Customer views

Bryan

01/11/2022 - AL

Very easy and painless.


Sinister Diesel Cold Air Intake for 2008-2010 Ford Powerstroke 6.4L
Shopper Approved - Verified Customer
Sinister Diesel Cold Air Intake for 2008-2010 Ford Powerstroke 6.4L
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Dave C - 01/10/2022

Very nice

Company Choice

Friend

Dave C

01/10/2022 - CT

Good


Sinister Diesel Cold Air Intake for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Cold Air Intake for 2003-2007 Ford Powerstroke 6.0L
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Efren H - 01/08/2022

This intake is worth every penny, and blue color is amazing. Truck sounds great and runs even better.

Company Choice

Great quality products

Efren H

01/08/2022 - CA

Quick and easy, fast delivery.


Sinister Diesel Cold Air Intake for 2013-2016 Chevy/GMC Duramax 6.6L LML
Shopper Approved - Verified Customer
Sinister Diesel Cold Air Intake for 2013-2016 Chevy/GMC Duramax 6.6L LML
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Michael W - 01/01/2022

Amazing hardware!!

Company Choice

Great products

Michael W

01/01/2022 - AZ

Proud T's are amazing! Time to market is how it should be! Send me stickers and memorabilia to promote here in Arizona!!


Sinister Diesel FlexFit Pitbull Hat (Black/Blue)
Shopper Approved - Verified Customer
Sinister Diesel FlexFit Pitbull Hat (Black/Blue)
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Mike - 01/01/2022

Awesome hat

The Hat fits awesome.

Company Choice

I liked the price. Compared to other companies. And the blue is my favourite color also lol.

Mike

01/01/2022 - Florida

Very great and easy navigation and great delivery and package was packed correctly.


Sinister Diesel Intake Elbow for 2003-2007 Dodge Cummins 5.9L
Shopper Approved - Verified Customer
Sinister Diesel Intake Elbow for 2003-2007 Dodge Cummins 5.9L
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Mike - 01/01/2022

Great product and awesome customer service. And great delivery time.

Awesome product. Love the blue color. Looks great on the motor

Company Choice

I liked the price. Compared to other companies. And the blue is my favourite color also lol.

Mike

01/01/2022 - Florida

Very great and easy navigation and great delivery and package was packed correctly.


Sinister Diesel Injection Pressure Regulator Valve (IPR) for 2005-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Injection Pressure Regulator Valve (IPR) for 2005-2007 Ford Powerstroke 6.0L
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John M - 12/31/2021

Fast shipping and quality part

Company Choice

Fast and quality

John M

12/31/2021 - CA

Fast and easy


Sinister Diesel Cold Air Intake for 2003-2007 Dodge/Ram Cummins 5.9L
Shopper Approved - Verified Customer
Sinister Diesel Cold Air Intake for 2003-2007 Dodge/Ram Cummins 5.9L
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Dean L - 12/28/2021

Would definitely recommend this purchase to friends and family.

Company Choice

Great company

Dean L

12/28/2021 - Oregon

Great.


Sinister Diesel Blue Spring Kit with Adjustable Billet Spring Housing and Fuel Filter Cap for 2003-2
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Adjustable Billet Spring Housing and Fuel Filter Cap for 2003-2
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Wayne D - 12/27/2021

Love the look

Terrific products each and every time. Now to adjust pressure for improved performance

Company Choice

Great products and support!

Wayne D

12/27/2021 - California

Terrific web site!


Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
Shopper Approved - Verified Customer
Sinister Diesel Blue Spring Kit with Billet Spring Housing for 2003-2007 Ford Powerstroke 6.0L
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George B - 12/25/2021

Great Company

Great up Grade

Company Choice

AGoodSolidCompany

George B

12/25/2021

Excellent


Sinister Diesel Cold Air Intake for 2017-2019 Ford Powerstroke 6.7L
Shopper Approved - Verified Customer
Sinister Diesel Cold Air Intake for 2017-2019 Ford Powerstroke 6.7L
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Todd K - 12/23/2021

Haven't opened this yet. Christmas present.

Company Choice

Nephew told me about you

Todd K

12/23/2021 - Florida

Wish you had diff covers for the 2018 F-350


Sinister Diesel Cold Side Charge Pipe for 2017+ Ford Powerstroke 6.7L
Shopper Approved - Verified Customer
Sinister Diesel Cold Side Charge Pipe for 2017+ Ford Powerstroke 6.7L
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Todd K - 12/23/2021

Haven't opened this yet either. Christmas present. Your feedback page forces me to say something, so at this point (before Xmas) this is all I got to say...

Company Choice

Nephew told me about you

Todd K

12/23/2021 - Florida

Wish you had diff covers for the 2018 F-350


Sinister Diesel Fuel Bowl Delete for 2003-2007 Dodge Cummins 5.9L
Shopper Approved - Verified Customer
Sinister Diesel Fuel Bowl Delete for 2003-2007 Dodge Cummins 5.9L
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James B - 12/22/2021

Bowl delete

Quality product

Company Choice

Saw it in a YouTube video and figured I’d try it out.

James B

12/22/2021 - IL

Had exactly what I wanted.


Red Head Steering Gear for 2005-2008 Ford F250, F350
Shopper Approved - Verified Customer
Red Head Steering Gear for 2005-2008 Ford F250, F350
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Paul B - 12/22/2021

Steering fixed

Very great service.fast accurate and timely,thanks

Company Choice

Great product

Paul B

12/22/2021 - Az

Super ease of ordering


Sinister Diesel Cold Side Charge Pipe for 2011-2016 Ford Powerstroke 6.7L (Gray)
Shopper Approved - Verified Customer
Sinister Diesel Cold Side Charge Pipe for 2011-2016 Ford Powerstroke 6.7L (Gray)
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Tyler T - 12/21/2021

Friendly staff :)

Great customer service, they were very quick to help me get the correct parts even though it was my fault .

Company Choice

Wanted a quality product

Tyler T

12/21/2021 - Tx

Simple , quick and saved 10 bucks :) They hooked me up with what I needed even though I ordered the wrong parts . Thank y'all !!


Sinister Diesel Coolant Filtration System (W/ CAT) for 2008-2010 Ford Powerstroke 6.4L
Shopper Approved - Verified Customer
Sinister Diesel Coolant Filtration System (W/ CAT) for 2008-2010 Ford Powerstroke 6.4L
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Elizabeth S - 12/20/2021

Bought as a gift for my nephew’s truck for christmas gift.

Elizabeth S

12/20/2021 - Tennessee

My nephew told me about this place. He loves everything here!


Sinister Diesel Charge Pipe Kit for 2011-2016 Ford Powerstroke 6.7L
Shopper Approved - Verified Customer
Sinister Diesel Charge Pipe Kit for 2011-2016 Ford Powerstroke 6.7L
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Steve B - 12/20/2021

Sinister Diesel knocked this one outta the park!

Bought the Hot &Cold side charge pipes in Sinister Blue. Parts arrived fast and packed perfectly. Instructions included and easy to follow.

Company Choice

Quality, have some parts already, word of mouth.

Steve B

12/20/2021 - TN

Love the site, easy to find items with vehicle filter. Love the cyber Monday special, made it easier to pull the trigger.


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