21107008 ECM Engine Control Module is an electronic engine control unit associated with Mack MP7 and Volvo D13 diesel engine applications. The ECM manages and communicates important engine operating functions through the vehicle’s electronic control system.
Key Features
- Part number: 21107008
- Engine control module for heavy-duty diesel applications
- Associated with Mack MP7 engine applications
- Also associated with Volvo D13 applications
- Controls and communicates with vehicle engine management systems
- Suitable as a replacement ECM when the part number and application match
- Designed for use in commercial truck engine control systems
- ECM/ECU replacement part for applicable vehicles
21107008 ECM Specifications
| Specification | Details |
| Part Number | 21107008 |
| Product Type | Engine Control Module (ECM) |
| Also Known As | Engine Control Unit (ECU), Engine Computer |
| Mack Application | MP7 |
| Volvo Application | D13 |
| Application | Heavy-Duty Truck |
| Condition | New |
| Compatibility | Verify part number and vehicle application before purchase |
Mack MP7 ECM Replacement
The 21107008 ECM is associated with Mack MP7 engine applications. If you are replacing an existing engine control module, compare the number on your original unit with 21107008 before purchasing.
A matching part number does not always mean that a module will be immediately operational after installation. Vehicle-specific programming, calibration, or configuration may be required depending on the application.
Why Choose a Matching 21107008 ECM?
- Helps identify the correct replacement module by part number
- Suitable for applicable Mack MP7 engine control systems
- Provides an option for replacing a damaged or failed ECM
- Helps maintain communication between the engine and electronic control system
- Useful for heavy-duty truck repair and replacement applications
Volvo D13 ECM Application
The 21107008 engine control module is also listed for certain Volvo D13 applications. Because ECM compatibility can vary according to the vehicle configuration and software calibration, buyers should confirm the original part number and vehicle details before ordering.
If your existing ECM carries 21107008, use that number as a primary compatibility reference and verify the complete application before installation.
21107008 ECM Compatibility
Before purchasing this engine control module, check the following:
- Confirm the original ECM part number is 21107008
- Confirm whether the engine is a Mack MP7 or applicable Volvo D13
- Verify the vehicle’s year and model
- Compare the connectors and physical configuration where applicable
- Confirm calibration or programming requirements
- Verify compatibility using the vehicle identification information when necessary
Important: This product should not be considered universally compatible with every Mack MP7 or Volvo D13 vehicle. ECM compatibility can depend on the exact vehicle configuration, engine specification, software, calibration, and other vehicle-specific information.
Common Applications
The 21107008 ECM may be used in applicable:
- Mack MP7-powered heavy-duty trucks
- Volvo D13-powered heavy-duty truck applications
- Engine control module replacement projects
- Commercial truck electrical and engine repair
- ECM diagnostic and replacement work
Part Number Cross-Reference
The part number 21107008 may appear in parts catalogs alongside other reference or supersession numbers. Cross-reference numbers should not automatically be treated as interchangeable.
For the safest replacement, match the ECM’s 21107008 part number with your existing module and verify compatibility before ordering.
Frequently Asked Questions
What is the 21107008 ECM?
The 21107008 ECM is an Engine Control Module used in applicable heavy-duty diesel engine applications. It is associated with Mack MP7 and certain Volvo D13 applications.
What does an ECM do?
An Engine Control Module manages and communicates with electronic engine systems. It processes information from sensors and other vehicle systems to control and monitor engine-related functions.
Is 21107008 an ECM or ECU?
21107008 is an ECM, or Engine Control Module. ECM and ECU are commonly used terms for electronic control units that manage engine functions.
Does 21107008 fit a Mack MP7?
The 21107008 part number is associated with Mack MP7 applications, but exact compatibility should be confirmed against the vehicle, engine configuration, original ECM number, and required calibration.
Does 21107008 fit a Volvo D13?
The 21107008 part number is also associated with certain Volvo D13 applications. Verify the original module number and vehicle-specific information before ordering.
Does a replacement 21107008 ECM require programming?
Programming or calibration requirements depend on the specific vehicle and replacement module. Buyers should confirm whether the ECM needs vehicle-specific programming or configuration before installation.















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