Mack V-MAC ECM 12MS51M5 | Diesel Engine Control Module

🚚 We Ship Worldwide
🛡️ 2-Year Warranty
✅ Professionally Inspected & Tested
🔧 Additional Programming Required

PRODUCT DESCRIPTION

The Mack V-MAC ECM 12MS51M5 is an OEM Engine Control Module (ECM / ECU) offered as a replacement for compatible Mack diesel trucks equipped with the V-MAC electronic engine management system.

This replacement ECM is intended to restore proper electronic engine management, fuel injection control, and engine operation when replacing a defective or malfunctioning original module.

Each unit is professionally inspected and tested before shipping to help ensure reliable performance and dependable operation.

IMPORTANT: ADDITIONAL PROGRAMMING REQUIRED

This ECM is NOT Plug & Play.

Additional programming or configuration may be required before the ECM will operate correctly in your truck.

ACS does not offer programming services for this ECM. All necessary programming must be performed by the customer or a qualified diesel technician.

PRODUCT SPECIFICATIONS

• Manufacturer: Mack

• System: V-MAC

• OEM Part Number: 12MS51M5

• Component: Engine Control Module (ECM / ECU)

• Condition: OEM Replacement

• Core Charge: $150

• Warranty: 2 Years

• Programming: Not Included or Offered

• Shipping: Worldwide

CORE CHARGE — $150

A $150 refundable core charge applies to this ECM.

The core charge is refundable once your eligible original ECM is returned and accepted in accordance with our core return policy.

2-YEAR LIMITED WARRANTY

This ECM includes a 2-year limited warranty covering qualifying defects under normal operating conditions.

Warranty does not cover damage resulting from:

• Improper installation or incorrect wiring

• Electrical shorts or voltage surges

• Water damage or physical damage

• Incorrect programming or external vehicle electrical problems

IMPORTANT FITMENT INFORMATION

Please verify your original ECM part number before purchasing.

OEM Part Number: 12MS51M5

Compatibility must be confirmed using the original ECM part number, engine specifications, and V-MAC system configuration.

Professional installation and programming are recommended.

Automobile Computer Solutions (ACS)
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