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Mack AC Engine Control Modules (ECM) For Sale

Shop used Mack AC Engine Control Modules (ECM) on MyLittleSalesman.com . Compare active listings with prices from $200 to $1,200. Sellers include JJ Rebuilders, CA Truck Parts, LKQ Heavy Truck, and more. Filter by condition, price, or year to find the Mack AC Engine Control Module (ECM) that fits your job.
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Showing 1 - 25 of 26 Engine Control Module (ECM) Listings

1 - 25 of 26 listings
1 - 25 of 26 listings
Mack AC OEM Diesel Engine Control Module ECM ECU 12MS532M 0281020045

2005 Mack AC OEM Diesel Engine Control Module ECM ECU 12MS532M 0281020045

$1,200 USD
(GOOD USED) Mack AC OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Bosch Part #: 0281020045; Stock #: E4690 For more information about this listing, shipping,...
ConditionUsed
Part Number12MS532M
Stock NumberE4690
MLS Number14613110
CategoryEngine Control Modules (ECM)
Last Updated9/18/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Mack AC Diesel ECM Part # 12MS532M Engine Computer

Mack AC Diesel ECM Part # 12MS532M Engine Computer

Contact for price
(GOOD USED) Mack AC ECM Part # 12MS532M For Sale, 041101 1039S04914, Stock # 2256 Tested Inspected! All ourPARTSareTESTEDand ShipPRIORITY MAIL!OVERNIGHT SHIPPINGoptions are available!...
ConditionUsed
Fits To EquipmentDiesel Engine
Fits To Make(s)Mack
Fits To Model(s)AC
Part Number12MS532M
Stock Number2256
MLS Number10237102
CategoryEngine Control Modules (ECM)
Last Updated8/21/2026
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Mack AC Diesel Engine Control Module ECM ECU 12MS534M 0281020083

2006 Mack AC Diesel Engine Control Module ECM ECU 12MS534M 0281020083

$1,200 USD
(GOOD USED) Mack AC OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS534M; Other Part #:0281020083; Stock #: E4422 For more information about this listing, shipping,...
ConditionUsed
Part Number12MS534M
Stock NumberE4422
MLS Number14137745
CategoryEngine Control Modules (ECM)
Last Updated2/11/2026
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2006 Mack AC Engine Control Module (ECM)

2006 Mack AC Engine Control Module (ECM)

$1,200 USD
(GOOD USED) Mack AC OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Bosch Part #: 0281020045; Stock #: E4326 For more information about this listing, shipping,...
ConditionUsed
Part Number12MS532M
Stock NumberE4326
MLS Number13950733
CategoryEngine Control Modules (ECM)
Last Updated11/4/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Mack AC Diesel Engine Control Module ECM ECU 12MS532M 0281020045

2006 Mack AC Diesel Engine Control Module ECM ECU 12MS532M 0281020045

$1,200 USD
(GOOD USED) Mack AC OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Bosch Part #: 0281020045; Stock #: E4258 For more information about this listing, shipping,...
ConditionUsed
Part Number12MS532M
Stock NumberE4258
MLS Number13786582
CategoryEngine Control Modules (ECM)
Last Updated8/29/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
OEM 2006 Mack AC Diesel Engine Control Module ECM ECU 12MS532M 0281020045

OEM 2006 Mack AC Diesel Engine Control Module ECM ECU 12MS532M 0281020045

$1,200 USD
(GOOD USED) OEM 2006 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Bosch Part #: 0281020045; Stock #: E4110 For more information about this listing,...
ConditionUsed
Part Number12MS532M
Stock NumberE4110
MLS Number13481406
CategoryEngine Control Modules (ECM)
Last Updated3/27/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
OEM 2006 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

OEM 2006 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

$1,200 USD
(GOOD USED) OEM 2006 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Bosch Part #: 0281020045; Stock #: E4108 For more information about this listing,...
ConditionUsed
Part Number12MS532M
Stock NumberE4108
MLS Number13478581
CategoryEngine Control Modules (ECM)
Last Updated3/27/2025
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
OEM 2004 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

OEM 2004 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

$1,200 USD
(GOOD USED) OEM 2004 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Stock #: E3890 For more information about this listing, shipping, technical questions...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)AC
Will Fit Year(s)2004
Part Number12MS532M
Stock NumberE3890
MLS Number13068469
CategoryEngine Control Modules (ECM)
Last Updated8/23/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
OEM 2006 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

OEM 2006 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

$1,200 USD
(GOOD USED) OEM 2006 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Stock #: E3866 For more information about this listing, shipping, technical questions...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)AC
Part Number12MS532M
Stock NumberE3866
MLS Number13019258
CategoryEngine Control Modules (ECM)
Last Updated7/31/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2004 Mack AC Engine Control Module (ECM) for 2004 AC

2004 Mack AC Engine Control Module (ECM) for 2004 AC

$1,200 USD
(GOOD USED) OEM 2004 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Stock #: E3809 For more information about this listing, shipping, technical questions...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)AC
Will Fit Year(s)2004
Part Number12MS532M
Stock NumberE3809
MLS Number12944786
CategoryEngine Control Modules (ECM)
Last Updated6/21/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2005 Mack AC Engine Control Module (ECM)

2005 Mack AC Engine Control Module (ECM)

$800 USD
(GOOD USED) OEM 2005 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!! Part #: 12MS528M; Stock #: E2974 For more information about this listing, shipping, technical questions...
ConditionUsed
Part Number12MS528M
Stock NumberE2974
MLS Number11646767
CategoryEngine Control Modules (ECM)
Last Updated5/28/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2004 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

2004 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

$1,200 USD
(GOOD USED) 2004 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Bosch Part #: 0281020045; Stock #: E3749 For more information about this listing, shipping,...
ConditionUsed
Part Number12MS532M
Stock NumberE3749
MLS Number12804355
CategoryEngine Control Modules (ECM)
Last Updated4/29/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2003 Mack AC Diesel Engine Control Module ECM ECU 12MS534M

2003 Mack AC Diesel Engine Control Module ECM ECU 12MS534M

$1,200 USD
(GOOD USED) OEM 2003 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS534M; Stock #: E3714 For more information about this listing, shipping, technical questions...
ConditionUsed
Fits To Make(s)Mack
Fits To Model(s)AC
Part Number12MS534M
Stock NumberE3714
MLS Number12755816
CategoryEngine Control Modules (ECM)
Last Updated5/28/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2006 Mack AC Diesel Engine Control Module ECM ECU 12MS528M

2006 Mack AC Diesel Engine Control Module ECM ECU 12MS528M

$1,200 USD
(GOOD USED) 2006 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS528M; Stock #: E3698 For more information about this listing, shipping, technical questions email...
ConditionUsed
Part Number12MS528M
Stock NumberE3698
MLS Number12713105
CategoryEngine Control Modules (ECM)
Last Updated3/19/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2006 Mack AC Diesel Engine Control Module ECM ECU 12MS528M

2006 Mack AC Diesel Engine Control Module ECM ECU 12MS528M

$1,200 USD
(GOOD USED) OEM 2006 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS528M; Stock #: E3667 For more information about this listing, shipping, technical questions...
ConditionUsed
Part Number12MS528M
Stock NumberE3667
MLS Number12655338
CategoryEngine Control Modules (ECM)
Last Updated5/23/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Mack AC Diesel Engine Control Module ECM ECU 12MS534M,85020547

2004 Mack AC Diesel Engine Control Module ECM ECU 12MS534M,85020547

$1,200 USD
(GOOD USED) OEM 2004 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS534M; Other Part #:85020547; Stock #: E3635 For more information about this listing, shipping,...
ConditionUsed
Part Number12MS534M
Stock NumberE3635
MLS Number12590207
CategoryEngine Control Modules (ECM)
Last Updated5/29/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2004 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

2004 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

$1,200 USD
(GOOD USED) 2004 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Stock #: E3529 For more information about this listing, shipping, technical questions email...
ConditionUsed
Part Number12MS532M
Stock NumberE3529
MLS Number12402846
CategoryEngine Control Modules (ECM)
Last Updated10/26/2023
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
2006 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

2006 Mack AC Diesel Engine Control Module ECM ECU 12MS532M

$1,200 USD
(GOOD USED) OEM 2006 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Stock #: E3441 For more information about this listing, shipping, technical questions...
ConditionUsed
Part Number12MS532M
Stock NumberE3441
MLS Number12281355
CategoryEngine Control Modules (ECM)
Last Updated5/28/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
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JJ Rebuilders Inc.
Mack AC Engine Control Module (ECM)

Mack AC Engine Control Module (ECM) Being Dismantled (Parts Available)

$300 USD
(CORE/ FOR PARTS OR NOT IN WORKING CONDITION) Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS532M; Stock #: E2892 For more information about this listing,...
ConditionDismantled
Part Number12MS532M
Stock NumberE2892
MLS Number11541771
CategoryEngine Control Modules (ECM)
Last Updated8/12/2022
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
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JJ Rebuilders Inc.
Mack AC Engine Control Module (ECM)

Mack AC Engine Control Module (ECM)

$1,200 USD
(GOOD USED) Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!Part #: 12MS532M, Stock # E2795 For more information about this listing, shipping, technical questions email us at...
ConditionUsed
Part Number12MS532M
Stock NumberE2795
MLS Number11446786
CategoryEngine Control Modules (ECM)
Last Updated6/13/2022
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
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JJ Rebuilders Inc.
Mack AC Engine Control Module (ECM)

Mack AC Engine Control Module (ECM)

$1,200 USD
(GOOD USED) OEM Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!! Part #: 12MS528M; Stock #: E2758 For more information about this listing, shipping, technical questions email us...
ConditionUsed
Part Number12MS528M
Stock NumberE2758
MLS Number11396360
CategoryEngine Control Modules (ECM)
Last Updated5/28/2024
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
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JJ Rebuilders Inc.
2003 Mack AC Engine Control Module (ECM)

2003 Mack AC Engine Control Module (ECM)

$1,200 USD
(GOOD USED) OEM 2003 Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 12MS528M; Stock #: E2679 For more information about this listing, shipping, technical questions...
ConditionUsed
Part Number12MS528M
Stock NumberE2679
MLS Number11292081
CategoryEngine Control Modules (ECM)
Last Updated4/1/2022
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
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JJ Rebuilders Inc.
Mack AC Engine Control Module (ECM)

Mack AC Engine Control Module (ECM) Being Dismantled (Parts Available)

$200 USD
(CORE/ FOR PARTS OR NOT WORKING) OEM Mack AC Diesel Engine Control Module, ECM, ECU, for sale!!!!! P/N: 12MS534M, Stock #: E2206 For more information about this listing, shipping, technical...
ConditionDismantled
Part Number12MS534M
Stock NumberE2206
MLS Number10718374
CategoryEngine Control Modules (ECM)
Last Updated3/19/2021
Location
Hialeah, FL, US
Sold By
JJ Rebuilders Inc.
(844) 385-___  SHOW
NUMBERCall Seller
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JJ Rebuilders Inc.
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