SINISTER DIESEL

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Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Pass. A) – SD-BD580
$133.00 Add to cart
Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Pass. B) – SD-BD581
$133.00 Add to cart
Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Pass. C) – SD-BD582
$133.00 Add to cart
Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Driv. A) – SD-BD583
$133.00 Add to cart
Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Driv. B) – SD-BD584
$133.00 Add to cart
Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Driv. C) – SD-BD585
$133.00 Add to cart
Sinister Diesel 2004.5-2010 Duramax, Billet Valve Covers – SD-VLVCVR-DMAX-04-ANO
$488.60 Add to cart
Sinister Diesel 2001-2010 Duramax, High Performance Motor Mounts – SD-MM-DMAX
$581.00 Add to cart
Sinister Diesel 2008-2012 Duramax, 250 Amp OEM High Output Alternator – SD-ALT-6.6-08-250
$740.60 Add to cart
Sinister Diesel 2008-2012 Duramax, 320 Amp OEM High Output Alternator – SD-ALT-6.6-08-320
$838.60 Add to cart

J0rd

20:20 30 Aug 21

They really are awesome, great pricing and super helpful if you run into any issues. Absolutely would recommend

Kevan Garecki

03:10 18 Aug 21

Cannot say enough about Canadian Diesel Online! Seriously committed team, superb service & uncommonly precise & thorough communication. They are my first go-to!

Troy Gallagher

18:13 09 Jun 21

Very knowledgeable!!! I ended up talking with 2 different reps and both were impressive. made a purchase online and received the next day!

Jay Chilliak

12:45 28 Apr 21

Great to deal with they are very knowledgable top notch customer service true free shipping

Kurtis Slusar

04:11 21 Apr 21

Ordered lb7 injectors, Graham called me within a few hours to let me know some parts would be a bit of a wait and gave me options that were available. Had my Thursday order arrive by Monday in Sask. Much better customer service than the competitors I have dealt with.

Paige McCutcheon

20:04 29 Mar 21

I was on the road when my Ford E350 vacuum booster failed. I got ahold of G at CDO and the guy was great. In these times of online purchasing, it is such a pleasure to know there is still such a thing as Customer Service. G found the part and called me back on the Saturday and made arrangements for me to pick the part up in Edmonton. C got involved and between the 2 of them I managed to have the part picked up in Edmonton and delivered to a shop while I was still on the road in a rented vehicle. My hat goes off to G & C and everyone at Canadian Diesel Online. I will definately be using this place again. Stay safe my friends.

ford bagger

17:19 11 Feb 21

I ordered a cold air intake Friday while my wife was in labour.... it was a daddy gift for myself.The following Monday it was delivered at my door!!!Insane. With free delivery, it cost the same as buying direct from manufacture. But I got it FASTDefinitely purchasing more from Canadian Diesel in the future.

vlad stakhura

14:47 22 Dec 20

Graham was very helpful when I called, he answered all my questions, except for one, apparently I was the first one to ask such a thing.... parts came very quickly, few hiccups on the way. Lost/missing parts have been replaced also very quickly. Haven't had to use tech support yet, everything fit/worked great for my emissions delete project. Definitely will do business with them again should I ever need anything else

jamie r

16:37 25 Jul 20

Pefect part on the cheap. Fast shipping. Super easy.

superdeelight

04:06 12 Feb 20

Great shopping experience. Ordered parts yesterday afternoon and items arrived today. Can't get it faster than that. Would tell my friends about Canadian Diesel for sure

Nathan Chartrand

23:30 07 Feb 20

They got your back 100 percent will be ordering all my desiel stuff from them.thanks

Corey Heiberg

19:31 05 Feb 20

So I ordered a EGR delete kit and was missing some of the parts in the kit along with instructions. Also had some odds and ends parts in the kit they sent me. Not realizing that I didn’t have what I needed I started to install kit. Had EGR all ripped out and then realized the kit was missing stuff. Emailed Canadian Diesel and they got back to me very quickly and with no hesitation they had what I needed coming! It was at my door step the next morning. Very impressed with these guys. Highly recommend

Kevin Girdler

01:11 07 Dec 19

Awesome people I ordered a sct tuner on Sunday night Early Monday morning they called to confirm the order and walk mailed of Monday before lunch But Canada post is dumb and couldn’t find my address so rather than taking it to a pick up location they sent it back to seller So I called and asked what the protocol on this was First off they were on the same page with hating Canada post They got a new one ready and shipped it one day purolator and I got it they next day Customer service is A+ in my books they went above and beyond even though it was out of their control they took care of me Thank you again guys

Scott Machan

14:54 23 Oct 19

Ordered a new exhaust system for my truck on Monday. Got an email Tuesday saying order has been shipped. Got a call an hour later from loomis saying my order was here and to pick it up. U real service and shipping. My new go to parts store.

Roy Jones jr.

20:13 21 Oct 19

Great customer service and fast shipping, the tech support was a joy to deal with.

Mike Tunstall

22:27 19 Jun 19

I ordered a down pipe for my ‘96 7.3L Powerstroke and it’s great! I’d highly recommend Canadian Diesel Online to anyone looking for diesel parts in Canada.I am glad that I ordered from these guys instead of eBay, or some other seller in the states. The part fit great, came fast, and was very reasonably priced.

Justin Halliday

19:29 16 May 19

Hands down the best place for diesel parts and accessories. Top notch customer service from extremely knowledgeable people. I've ordered from them at 4pm and had my order arrive the next morning, I can't talk these guys up enough.

Drew Pacheco

17:10 04 May 19

Phoned in for some advice for my "off road" egr delete. Graham was sooo helpful. I have never experienced this level of customer service in my life. He awnser every question I had in detail and then some. I got off the phone feeling confident in my purchase that I had got everything I would need. And I knew what I would need in the future. We were on the phone for 33 minutes total and I am practically an expert on egr, dpf and the ccv system.I would definatly reccomend this place to anyone looking for diesel parts of any kind and definatly the best place to call with a question.Thank you so much for you great service I will definatly be a returning customer.

Peter Soltau

13:46 05 Apr 19

Friendly and knowledgeable on the phone! Best pricing in the country by far, my new mufflers we’re on my doorstep in Southern Ontario in 3 days! Don’t bother looking anywhere else, these folks are the best!

Dean Cooney

01:17 08 Feb 19

This was the fastest delivery of items, the right items. They fit as advertised and when I needed help, they were on the phone calling me back with the answers I needed. So impressed with this company and will be ordering all my parts from them, don't waste your time with other companies shipping wrong parts or poor customer service. Just use Canadian diesel online. Thank you.

Kevin corbiere

19:38 26 Sep 18

Ordered a 5” flo pro stainless turbo back for my 6.7 Cummins. Best price, and free shipping to my doorstep! You will not beat they’re prices! Or service!

John Dallmus

17:35 13 Jul 18

Outstanding customer service!!! Sales representative went above and beyond to help me get the product I needed and shipped to me in the US. I could not be more impressed with Canadian Diesel's commitment to meeting their customer's needs.

Ben Hanlon

16:10 03 Jul 18

Customer Service is incredible, ordered tunes for my truck and they are available at very convenient hours.

Aaron Traylen

23:37 02 Apr 18

Amazing customer service from day one! Graham and Jamie go above and beyond!! they always pickup the phone, reply to emails and will get you what you need to keep your truck running! they should be your first and only stop if you are tuning your truck or need anything to put on it!!!!!

Ron Rot

23:13 28 Mar 18

This is a great company to deal with, always extremely helpful and very professional, also willing to spend the time with the customers for any questions. I have dealt with this company numerous times and my experience has been amazing every single time, I would highly recommend this company!!!

Cindy Armstrong

21:42 23 Feb 18

Service was definitely five star! Even though I was shopping online on a Sunday I was able to get an almost immediate response to a query. Part was ordered and delivered to Ontario within a few days.

Michael Mikail

15:11 16 Feb 18

They were very accommodating to our shipping needs. Very impressed.

Ryan Driedger

05:13 06 Feb 18

Awesome company, great pricing, great service, fast shipping, reliable customer support.Have spent a lot of money with them and plan to spend more.

Daniel Brown

03:10 25 Jan 18

Good service, fast shipping and great prices. Staff are very friendly and helpful aswell

dane lucas

19:51 23 Jan 18

Friendly, easy to deal with and fast shipping all at a great price

Chris Kaiser

17:37 09 Jan 18

Service was fantastic as was the user friendly web page. I had specific questions and had to call them and spoke to Graham. He was knowledgeable and friendly which is what will be bringing me back to them in the future. Great job guys and thank you.

Sean Moran

22:48 30 Dec 17

Great company to deal with, Graham really knows his stuff and any questions I had after the sale were answered right away!!

Joseph Fehr

22:44 23 Nov 17

Good prices and excellent customer service.

Steve

04:46 23 Nov 17

Super fast shipping and smooth transaction. Highly recommended..

Chris J

20:03 05 Oct 17

Great place to go for all your tuning and diesel needs with above and beyond customer service will deal here again and again.

Sascha Koehler

18:14 05 Oct 17

Fast and very knowledgeable service. Thank you CDO for a good buying experience over and over again...

jonathan jans

18:02 05 Oct 17

Great company to deal with. Jamie goes far beyond what it required to make a customer happy and there knowledge of aftermarket products and tuning is simply amazing. I highly recommend these guys !!!????????

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SINISTER DIESEL

Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Pass. A) – SD-BD580

Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Pass. B) – SD-BD581

Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Pass. C) – SD-BD582

Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Driv. A) – SD-BD583

Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Driv. B) – SD-BD584

Sinister Diesel 2001-2010 Duramax, Black Diamond Head Gasket (Driv. C) – SD-BD585

Sinister Diesel 2004.5-2010 Duramax, Billet Valve Covers – SD-VLVCVR-DMAX-04-ANO

Sinister Diesel 2001-2010 Duramax, High Performance Motor Mounts – SD-MM-DMAX

Sinister Diesel 2008-2012 Duramax, 250 Amp OEM High Output Alternator – SD-ALT-6.6-08-250

Sinister Diesel 2008-2012 Duramax, 320 Amp OEM High Output Alternator – SD-ALT-6.6-08-320