Mack Engine Control Modules (ECM) For Sale

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Mack Engine Control Module (ECM)

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Mack CL600 Cab Control Module CECU | P/N 12MS411M3, Serial#: m042g905025a1

Condition	Used
Fits To Make(s)	Mack
Part Number	12MS411M3
Stock Number	295463659
MLS Number	14077072
Category	Engine Control Modules (ECM)
Last Updated	1/8/2026
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts

CORE Mack E7 Diesel Engine Control Module, ECM, ECU, 12MS514M Being Dismantled (Parts Available)

$300 USD

(CORE/ FOR PARTS OR NOT WORKING) OEM Mack E7 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS514M; Stock #: E4392 For more information about this listing, shipping,...

Condition	Dismantled
Part Number	12MS514M
Stock Number	E4392
MLS Number	14076690
Category	Engine Control Modules (ECM)
Last Updated	1/8/2026
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Mack 12MS45M2 Engine Control Module (ECM)

$2,000 USD

MACK VMAC I ECM, REMAN, 12MS45M2,

Condition	Used
Stock Number	ECM-922
MLS Number	14072221
Category	Engine Control Modules (ECM)
Last Updated	1/6/2026
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

Mack ETEC Engine Control Module (ECM)

$275 USD

Good used, cleaned and inspected Mack ETEC ECM. Part Number: 12MS48M2. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application.

Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	ETEC
Part Number	12MS48M2
Stock Number	Ryd 12MS48M2
MLS Number	13377282
Category	Engine Control Modules (ECM)
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Mack MP7 Engine Control Module (ECM)

$250 USD

Good used, cleaned and inspected Mack MP7 ECM. Part Number: 21092268, 204MS48M. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application.

Quantity	3
Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	MP7
Part Number	21092268
Stock Number	Ryd 21092268
MLS Number	10205106
Category	Engine Control Modules (ECM)
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Mack MP7 Engine Control Module (ECM)

$250 USD

Good used, cleaned and inspected Mack MP7 ECM. Part Number: 21083383-P06, 21720495. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application.

Quantity	5
Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	MP7
Part Number	21083383-P06
Stock Number	Ryd 21083383-P06
MLS Number	10205105
Category	Engine Control Modules (ECM)
Last Updated	1/6/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Mack MP7 Engine Control Module (ECM)

$250 USD

Good used, cleaned and inspected Mack MP7 ECM. Part Number: 21404612. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application.

Quantity	3
Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	MP7
Part Number	21404612
Stock Number	Ryd 21404612
MLS Number	10205103
Category	Engine Control Modules (ECM)
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Mack MP7 Engine Control Module (ECM)

$250 USD

Good used, cleaned and inspected Mack MP7 ECM. Part Number: 21025838. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application.

Quantity	2
Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	MP7
Part Number	21025838
Stock Number	Ryd 21025838
MLS Number	10205102
Category	Engine Control Modules (ECM)
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Mack ETEC Engine Control Module (ECM)

$275 USD

Good used, cleaned and inspected Mack ETEC ECM. Part Number: 12MS48M6. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application.

Quantity	2
Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	ETEC
Part Number	12MS48M6
Stock Number	Ryd 12MS48M6
MLS Number	10205034
Category	Engine Control Modules (ECM)
Last Updated	1/1/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

Mack MP7 Engine Control Module (ECM)

$250 USD

Good used, cleaned and inspected Mack MP7 ECM. Part Number: 12MS533AM. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application.

Quantity	4
Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	MP7
Part Number	12MS533AM
Stock Number	Ryd 12MS533AM
MLS Number	10205104
Category	Engine Control Modules (ECM)
Last Updated	1/6/2026
Location	Fitchburg, MA, US
Sold By	Rydemore Heavy Duty Truck Parts

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Mack E7 Engine Control Module (ECM) for a Mack E7 SEMI-ELECTRIC

$950 USD

Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	E7 SEMI-ELECTRIC
Stock Number	2532695
MLS Number	13670712
Category	Engine Control Modules (ECM)
Last Updated	12/27/2025
Location	Toledo, OH, US
Sold By	LKQ Heavy Truck

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2008 Mack MP8 Engine Control Module (ECM) for a Mack CXU612

$950 USD

2008 Mack MP8, 338HP, Engine Control Module (ECM), P/N 20977021-P03

Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	CXU612
Stock Number	UPS-270519-16
MLS Number	13903345
Category	Engine Control Modules (ECM)
Last Updated	12/27/2025
Location	Fresno, CA, US
Sold By	Garabedian Equipment

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2022 Mack Anthem Engine Control Module (ECM)

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Mack Engine Control Module / VECU P/N: 23187041-P06 For Sale, Used. Phone, email, or text. We ship everywhere.

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	Anthem
Will Fit Year(s)	2022
Part Number	23187041-P06, A3C0166450400
Stock Number	MK-0863-28
MLS Number	14055805
Category	Engine Control Modules (ECM)
Last Updated	12/23/2025
Location	York, ON, Canada
Sold By	Lomoca Inc.

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2022 Mack Anthem Engine Control Module (ECM)

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Mack Anthem Light Control Module (LCM) P/N:23288977-P01, Continental P/N: A2C3843720095 Used. Phone, email, or text. We ship everywhere.

Condition	Used
Fits To Make(s)	Mack
Fits To Model(s)	Anthem
Will Fit Year(s)	2022
Part Number	23288977-P01, A2C3843720095
Stock Number	MK-0863-26
MLS Number	14055803
Category	Engine Control Modules (ECM)
Last Updated	12/23/2025
Location	York, ON, Canada
Sold By	Lomoca Inc.

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2024 Mack MP8 Engine Control Module (ECM)

$900 USD

MACK MP8 ECM

Condition	Used
Fits To Make(s)	MACK
Fits To Model(s)	MP8
Stock Number	2529244
MLS Number	13651364
Category	Engine Control Modules (ECM)
Last Updated	12/8/2025
Location	Easton, MD, US
Sold By	LKQ Heavy Truck

Mack Engine Control Module (ECM)

$900 USD

MACK MP7 ECM, P/N 21900553,,

Condition	Used
Stock Number	ECM-566
MLS Number	14014774
Category	Engine Control Modules (ECM)
Last Updated	12/4/2025
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

Mack V-Mac Engine Control Module (ECM)

$1,000 USD

(GOOD USED) Mack V-MAC E7 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #:12MS51M5;Other Part:12MS51M, 12MS51M2, 12MS51M3, 12MS51M4, 12MS51M5, 12MS51M6, 12MS51M7; Stock #:...

Condition	Used
Part Number	12MS51M5
Stock Number	E4367
MLS Number	14011288
Category	Engine Control Modules (ECM)
Last Updated	12/4/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Mack 23265553 Engine Control Module (ECM)

$500 USD

MACK BENDIX WINDSHIELD CAMERA, 23265553, BX173150L, 232270-108,

Condition	Used
Stock Number	ECM-920
MLS Number	14009677
Category	Engine Control Modules (ECM)
Last Updated	12/3/2025
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

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Mack Engine Control Module (ECM) Passenger Side ECM

$600 USD

(GOOD USED TESTED w/WARRANTY) Mack E7 Diesel Engine ECM/ECU/ICM Computer For Sale, Off Mack E7 Passenger Side ECM, 12V, Stock # 9721 All our PARTS are TESTED and Ship PRIORITY MAIL!...

Condition	Used
Stock Number	9721
MLS Number	14008271
Category	Engine Control Modules (ECM)
Last Updated	12/2/2025
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

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Mack AMI Engine Control Module (ECM) OEM Part # 12MS526M, Bosch Part # 0 281 020 006

$600 USD

(GOOD USED TESTED w/WARRANTY) Mack AMI Diesel Engine ECM/ECU/ICM Computer For Sale, OEM Part# 12MS526M, Bosch# 0281020006, 0 281 020 006, 12V, Serial # 28814, Stock # 9719 All our PARTS...

Condition	Used
Part Number	12MS526M, 0281020006
Stock Number	9719
MLS Number	13987858
Category	Engine Control Modules (ECM)
Last Updated	12/2/2025
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Mack 23288977 Engine Control Module (ECM)

$1,018 USD

23288977, 85028132,

Condition	New
Stock Number	ECM-919
MLS Number	14004832
Category	Engine Control Modules (ECM)
Last Updated	11/27/2025
Location	LAKEVILLE, MN, US
Sold By	Manders Diesel

Mack VMAC Engine Control Module (ECM)

$2,000 USD

(GOOD USED) Mack E7 V-MAC OEM Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 12MS45M4; Stock #: E4357 For more information about this listing, shipping, technical questions...

Condition	Used
Part Number	12MS45M4
Stock Number	E4357
MLS Number	13999589
Category	Engine Control Modules (ECM)
Last Updated	11/25/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Mack MP8 Diesel Engine Control Module OEM ECM ECU 21358126

$2,000 USD

(GOOD USED) Mack MP8 OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!! Part #: 21358126; Stock #: E4355 For more information about this listing, shipping, technical questions email...

Condition	Used
Part Number	21358126
Stock Number	E4355
MLS Number	13996136
Category	Engine Control Modules (ECM)
Last Updated	11/21/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

2005 Mack AMI Diesel Engine Computer Module ECM ECU 12MS530M

$600 USD

(GOOD USED) Mack AMI OEM Diesel Engine Computer Module, ECM, ECU, for sale!!!! Part #: 12MS530M; STK #: E4340 For more information about this listing, shipping, technical questions email us...

Condition	Used
Part Number	12MS530M
Stock Number	E4340
MLS Number	13975886
Category	Engine Control Modules (ECM)
Last Updated	11/13/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.