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Description
85151367 Genuine Mack ABS ECU Electronic Control UnitPart details DESCRIPTION ABS ECU Electronic Control Unit 4S4M CONDITION Used BRAND Mack PART NUMBER 85151367 OTHER OEM PART NUMBERS THAT WILL WORK 4460046180, 446 004 618 0, 446 004 618 0, 20846861, 4008503270, 400 850 327 0, 400 850 327 0, 85140142, 85148565, WAB 446 004 605 0, 4460046050, 8235 S4008640090C, 4008640090, TDA S400 864 304 0, WAB 446 004 601 0, TDA S400 864 368 0, 4008643040, S400 864 009 0C, S4008643610, S4008643050, TDA S400 864 360
Part details
| DESCRIPTION | ABS ECU Electronic Control Unit 4S4M |
| CONDITION | Used |
| BRAND | Mack |
| PART NUMBER | 85151367 |
| OTHER OEM PART NUMBERS THAT WILL WORK | 4460046180, 446-004-618-0, 446 004 618 0, 20846861, 4008503270, 400-850-327-0, 400 850 327 0, 85140142, 85148565, WAB 446 004 605 0, 4460046050, 8235-S4008640090C, 4008640090, TDA S400 864 304 0, WAB 446 004 601 0, TDA S400 864 368 0, 4008643040, S400-864-009-0C, S4008643610, S4008643050, TDA S400 864 360 0, 4460046030, 4008643600, TDAS4008640090C, DDR 400 864 009 0R, 6300-4008640090, S4008643600, 4460046010, WAB 400 864 361 0, S4008643040, S4008640090C, 63004008640090, WAB4008640090, S4460046050, S4460046010, 4008643050, TDA PRG4008643050, S4460046030, 8235S4008640090C, 4008643660, WAB 446 004 603 0, S4008643680, 4008643680, S400-864-360-0, 4008643610 |
Function of this part
The engine control module (ECM) is the electronic brain of the engine. It reads information from sensors and commands fuel delivery, timing, and other actuators to keep the engine running properly.
Why this part matters
Without a functioning ECM, the engine will not start or will run poorly. A correct, working ECM is essential for performance, diagnostics, emissions control, and protecting the engine from damage.
About the brand
Mack is known for building tough trucks and components for construction, vocational, and highway fleets that need reliable performance day after day.
Fitment & usage
Used OEM parts are a smart choice for controlling repair costs while still using original-equipment components. Always match the OEM part number(s) listed to your existing part, and consult your service manual, dealer, or technician if you are unsure about fitment.
Note: Because this is a used component, normal signs of wear such as scratches, discoloration, or light surface corrosion may be present. Refer to the product photos and information on Second Truck Parts for the best representation of the part you will receive.
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Exchange/Return Notes
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4.5 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Good info that helps
Format: Paperback
This had info that helped our AD lockouts issues or at least ease the pain while our vendor figures it out. A powershell command that unlocks all AD users instead of having to unlock each one. In the troubleshooting section
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Reviewed in the United States on November 30, 2024
★★★★★ 5
More than just the most comprehensive book on AD
Format: Paperback
I have been working with Active Directory since it was released in 2000 and even before that if you count its predecessor Exchange's directory. I can confidently say that this is the most comprehensive book on Active Directory that I have ever read. Of course there are all of the basics like designing AD structures, migrations to AD 2022, management of objects and group policies but then all of the AD services are also covered in-depth like DNS, DS, LDS, FS, RMS and CS. Furthermore this book tackles trusts, database maintenance and backup and recovery.
While not a book about Azure AD, there is a ton of information about Azure AD. The author takes the time and effort to compare AD with Azure AD and there are hundreds of references to Azure AD in terms of building out hybrid AD environments, federated identity and notes about how things are done in Azure AD versus AD. The chapter on PowerShell demonstrates scripts for both AD and Azure AD.
Here is what I think makes this book special though, and it is how the entire context for the book is around security, identity and access management. Essentially this book can be viewed as a book on security, identity and access management that demonstrates how to practically implement those concepts in Active Directory and Azure AD. There is fantastic information that explains the concepts of identity and access management clearly and concisely and covers topics such as zero trust, privileged access management (PAM) and more. Then, these concepts are translated into how they are implemented in Active Directory. It's a great way to present the information as it provides real world context and clearly explains the purpose of Active Directory versus purely just describing technical features and functionality. This is the way all technical books should be written.
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Reviewed in the United States on December 10, 2021
★★★★★ 4
Missing some ToC Pages
Format: Paperback
Item shipped missing the first couple pages from the Table of Contents. Otherwise, it is as expected. Using as AD Services reference in Enterprise IT office for junior admins to reference.
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Reviewed in the United States on February 21, 2026
★★★★★ 5
A great read for those who want in depth knowledge about MS Active Directory & related services
Format: Paperback
Reviewer: 20 yrs training and consulting experience with Windows Server, Exchange Server, Active Directory, all major hypervisors, and cloud services. Active Directory along with all the related services and features are complex and many faceted topics. Books showing step by step examples are easy to come by, although not very useful since there’s plenty of Microsoft online help with the same info. What’s more important is to understand the features and related services and how to use them properly and securely.
This book covers in great detail Active Directory and the related services and features. There’s also plenty of information and expertise from a security perspective. With the move to cloud services and more employees are working from home there’s a whole new level of security issues to contend with. This book contains lots of in-depth explanations that allow you to understand why certain features and services exist and how to use them. This extra depth and the author’s experience is what makes this book special.
I would recommend this book for IT Professionals that already have some AD knowledge and experience. My only qualification is that I occasionally found some of the explanations confusing even after reading them over a several times.
I would highly recommend this book for those who wish to understand, configure and design an AD infrastructure along with associated services including OU design, group policy, object management delegation, ADFS, Certificate Services, etc. Although the book is not about Azure AD it does cover some aspects including integrating with on-prem AD.
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Reviewed in the United States on January 10, 2022
★★★★★ 5
Detailed coverage of Active Directory
Format: Kindle
I spent several years very close to active directory but haven’t followed developments in recent years. I was interested in this book as a refresher on what’s new in the last 8-10 years – and it did not disappoint.
The chapter on Advanced AD Management with PowerShell does a great job providing some background, setting the stage for why we’d want to know this, and providing some brief descriptions of various cmdlets that might be needed. My last experience with PowerShell/Active Directory required the Quest module, so seeing these native cmdlets is a nice change.
The chapter on AD FS is very detailed, providing a history of the functionality, deployment topologies and considerations, as well as details on configuring the required components. This is a topic I was not familiar with before seeing this book, and it did a good job bringing me up to speed on the feature.
I have not made it all the way through this book, but the sections I have completed are very good. If you are looking for a thorough reference guide on the current state of Active Directory, you should check out this book.
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Reviewed in the United States on December 8, 2021