Engine Computers & Auto Control Modules

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Throughout the USA

Free Lifetime Warranty

With each purchase

Lowest Prices

100K+ Units in-stock

No Core Charge

Keep your old unit

12 Years in Business

400K+ customers served

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About Us


Flagship One, Inc. is the world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules. 

Ford and Chrysler dealerships all over the world contract us to handle their programmed engine computer services. All of our products are thoroughly tested and bear the exclusive Flagship One Lifetime Warranty. We specialize in engine module programming and flashing for all Ford, Chrysler, Dodge, Jeep, Mazda and General Motors (including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac & Saturn) models.

Flagship One also offers reprogramming and flashing services for existing PCM Module, ECU Module and Engine Computer Modules, including tuning and software updating. Plus, our expert automobile interchange staff are always at your service to provide sourcing for hard-to-find used auto parts; browse our extensive offerings online or call now (516) 766-2223 and get live personalized assistance!

Customer Reviews


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William Mills
100% satisfied!!!! Very user friendly and affordable... extremely happy with delivery time and quality of professionalism... definitely a go to company for my self and my Mopar car club... Thank you for all your help..
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Rapco Automotive Centers
great customer service, we purchased 2 ford computers within the last couple of months & everything went smoothly, no problems at all & computers were already programmed & one came with keys that just needed to be cut & synced to the pats module which was able to be done with our snap-on scanner. thanks again for the great service.
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Charlies Creech
Jeep had been sitting around for years and no one could get it to run. My dad and I diagnosed it, thought it needed a new PCM...ordered one up from Flagship and popped her in and it started right up! No complaints from me! Awesome service and awesome product.
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Allen Labarge
This has been one of the best experiences I have ever had working with a seller online. This company is probably the most helpful and responsive company I have ever worked with. The ecu I purchased from them came well packed and well within the projected time frame. It was a simple drop in replacement, and my truck drives like it did when I purchased it new, 21 years ago. Would highly recommend Flagship One to anyone.
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Matthew Lichtenwalner
Very affordable and a very nice inventory. I have yet to find a PCM that they didn't have. Look-up is easy and i haven't had a single issue with any aspect of the purchase after ordering quite a few modules. The shipping time is very good too and best of all they don't require a core to be shipped back which makes the whole experience hassle-free.