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Caterpillar 3126 Engine Control Modules (ECM) For Sale

Browse Caterpillar 3126 Engine Control Modules (ECM) on MyLittleSalesman.com and compare listings with prices from $95 to $2,000. Sellers include LKQ Heavy Truck, Tim Jordan's Truck Parts, Rydemore Heavy Duty Truck Parts, and more. Filter by condition, price, or year to quickly narrow down to the right Caterpillar 3126 Engine Control Module (ECM).
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   Engine Control Modules (ECM) (121)
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3126 (121)
   3126B (3)    3126E (6)
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Showing 1 - 25 of 121 Engine Control Module (ECM) Listings

1 - 25 of 121 listings
1 - 25 of 121 listings
Caterpillar 3126 Engine Control Module (ECM)

Caterpillar 3126 Engine Control Module (ECM)

$550 USD
Good used, cleaned, tested and inspected CAT 3126 ECM. Part Number: 239-3879. 30 Day Guarantee for swap or refund if not programmable. ECM's need to be programmed for your application.
ConditionUsed
Fits To Make(s)CATERPILLAR
Fits To Model(s)3126
Part Number239-3879
Stock NumberRyd 239-3879
MLS Number11387156
CategoryEngine Control Modules (ECM)
Last Updated12/18/2025
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Caterpillar 3126 Engine Control Module (ECM) Part # 179-4899, 9SZ Serial Prefix

Caterpillar 3126 Engine Control Module (ECM) Part # 179-4899, 9SZ Serial Prefix

$1,500 USD
(GOOD USED BENCHED TESTED w/WARRANTY) Caterpillar 3126 70-PIN Engine Control Module (ECM) 179-4899 For Sale, 70 PIN, Part # 179-4899-02, 179 4899 02, 1794899, 179489902, Personality Module...
ConditionUsed
Part Number179 4899
Stock Number3868
MLS Number14040047
CategoryEngine Control Modules (ECM)
Last Updated12/12/2025
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
2003 Caterpillar 3126 Engine Control Module (ECM) Part # 10R3571, HEP Serial Prefix

2003 Caterpillar 3126 Engine Control Module (ECM) Part # 10R3571, HEP Serial Prefix

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(GOOD USED BENCH TESTED w/WARRANTY) Caterpillar 3126 70-PIN Engine Control Module (ECM) 10R3571-11 For Sale, Part # 10R3571, Pulled Off 2003 Caterpillar 3126 70-PIN w/ 250HP, Personality...
ConditionUsed
Part Number10R3571
Stock Number9468
MLS Number13736383
CategoryEngine Control Modules (ECM)
Last Updated10/16/2025
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Caterpillar 3126 Engine Control Module (ECM)

Caterpillar 3126 Engine Control Module (ECM)

$125 USD
(GOOD USED) OEM CATERPILLAR 3126 70-PIN Engine Control Module Mounting Plate 133-3489 For Sale, Part # 133 3489, 1333489,350MM Long Control Mounting Plate, 8T-9655: Isolation Mount (8: 4...
ConditionUsed
Part Number133-3489
Stock Number9472
MLS Number13723044
CategoryEngine Control Modules (ECM)
Last Updated7/25/2025
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Caterpillar 3126 Engine Control Module (ECM) 70-PIN, 1627584 03

Caterpillar 3126 Engine Control Module (ECM) 70-PIN, 1627584 03

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(GOOD USED BENCHED TESTED W/ WARRANTY) Caterpillar 3126 Engine Control Module (ECM) Part # 162-7584-03 For Sale, 70-PIN, Part # 162 7584 03, 1627584, 162758403, Personality Part #...
ConditionUsed
Fits To Make(s)CAT
Fits To Model(s)3126 70-PIN, 1627584 03, 8YL, 3126B
Part Number162-7584-03
Stock Number3869
MLS Number11880275
CategoryEngine Control Modules (ECM)
Last Updated7/2/2025
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Kenworth Engine Control Module (ECM) for a Kenworth T300

2005 Kenworth Engine Control Module (ECM) for a Kenworth T300

$950 USD
ECM (Engine), Guarunteed Reprogrammable, P/N: 240-5302-01 And 10R-4091, Good Condition, Call For More Information and Shipping Quote
ConditionUsed
Fits To Make(s)KENWORTH
Fits To Model(s)T300
Stock Number33338
MLS Number10467376
CategoryEngine Control Modules (ECM)
Last Updated6/25/2025
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
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DTI Truck Parts
Caterpillar 3126 Engine Control Module (ECM)

Caterpillar 3126 Engine Control Module (ECM)

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(Core) Caterpillar 3126, ENGINE ECM- Part Number: 206-2700-02, Serial Number: 312263161K 2 Rectangular Plug with 70 Pins each, Reference images for condition, For more information...
ConditionUsed
Stock NumberP-101771
MLS Number13568218
CategoryEngine Control Modules (ECM)
Last Updated5/28/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar 3126 70-Pin Engine Control Module (ECM) PN# 157-3708-00

Caterpillar 3126 70-Pin Engine Control Module (ECM) PN# 157-3708-00

$999.99 USD
ITEM DESCRIPTION, (TESTED PART) FITS CATERPILLAR 312670-PINDIESEL ENGINE, OEM PN# 157-3708-00,PROGRAMMING MAY BE REQUIRED, INCLUDES WARRANTY. STOCK# 320095 PRICE IS $999.99
Warranty
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)3126
Part Number157-3708-00
Stock Number320095
MLS Number10797028
CategoryEngine Control Modules (ECM)
Last Updated5/6/2025
Location
Rockwood, TN, US
Sold By
Machinery and Truck Parts
(844) 835-___  SHOW
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Machinery and Truck Parts
Caterpillar 3126 Engine Control Module (ECM) for a 2001 Sterling L7500

Caterpillar 3126 Engine Control Module (ECM) for a 2001 Sterling L7500

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(Used) 2001 Caterpillar 3126, ENGINE ECM- Part Number: 179-4899-02, Serial Number: 29805038KC, Family Number: 1CPXH0442HBK, 2 Rectangular Plug with 70 Pins each, For more information about...
ConditionUsed
Fits To Make(s)Sterling
Fits To Model(s)L7500
Will Fit Year(s)2001
Part Number179-4899-02
Stock NumberP-101526
MLS Number13558353
CategoryEngine Control Modules (ECM)
Last Updated5/4/2025
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
1998 Caterpillar 3126 Engine Control Module (ECM) Part # 145-7807-01, 40-PIN, 1BW Serial

1998 Caterpillar 3126 Engine Control Module (ECM) Part # 145-7807-01, 40-PIN, 1BW Serial

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(GOOD USED BENCH TESTED W/ WARRANTY) 1998 Caterpillar 3126 ECM Part # 145-7807-01 For Sale, 40-PIN ECM, 1BW Serial, Part # 145 7807 01, 145780701, Off CAT 3126 40 PIN Engine, MANUNL-ND,...
ConditionUsed
Part Number145-7807-01
Stock Number8095
MLS Number13205057
CategoryEngine Control Modules (ECM)
Last Updated4/21/2025
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Caterpillar 3126B Engine Control Module (ECM)

Caterpillar 3126B Engine Control Module (ECM)

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(TESTED W/ WARRANTY) Caterpillar 3126B ECM For Sale, 70-PIN, Personality Module Part # 1608832-00, 7AS-Serial, Pulled off CAT 3126B, Engine Serial # 7AS06647, ECM Serial # 05980036FW,...
ConditionUsed
Stock Number4443
MLS Number12068955
CategoryEngine Control Modules (ECM)
Last Updated12/19/2024
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
Caterpillar 3126 Engine Control Module (ECM)

Caterpillar 3126 Engine Control Module (ECM)

Contact for price
(Core) Caterpillar 3126/CFE, ENGINE ECM- Part Number: 162-7584-03, Serial Number: 09900209KC, 2 Rectangular Plug with 70 Pins each, For more information about this item, give us a call. We...
ConditionUsed
Part Number162-7584-03
Stock NumberP-93493
MLS Number13272453
CategoryEngine Control Modules (ECM)
Last Updated12/14/2024
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Caterpillar 3126 70- Pin Engine Control Module (ECM)

Caterpillar 3126 70- Pin Engine Control Module (ECM)

$1,625 USD
CATERPILLAR 3126 70-PIN ECM - P/N 179-4899-02; 26905018KC; 8YL; 210 HP,Used engine electronic control module pulled and listed in good working condition. Call or message with questions.
ConditionUsed
Horse Power210 HP
Part Number179-4899-02
Stock Number3482
MLS Number13155923
CategoryEngine Control Modules (ECM)
Last Updated11/21/2024
Location
Springville, PA, US
Sold By
Summit Core Supply
(844) 329-___  SHOW
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Summit Core Supply
Caterpillar 3126 70-Pin Engine Control Module (ECM)

Caterpillar 3126 70-Pin Engine Control Module (ECM)

$1,625 USD
CATERPILLAR 3126 70-PIN Engine ECM - P/N 162-7584-02; 29490225KC; 8YL; 190 HP.Used engine electronic control module pulled and listed in good working condition. Message with any questions
ConditionUsed
Horse Power190 HP
Engine Model3126
Part Number162-7584-02
Stock Number3483
MLS Number13155927
CategoryEngine Control Modules (ECM)
Last Updated11/21/2024
Location
Springville, PA, US
Sold By
Summit Core Supply
(844) 329-___  SHOW
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Summit Core Supply
Caterpillar 3126 70-Pin Engine Control Module (ECM)

Caterpillar 3126 70-Pin Engine Control Module (ECM)

$1,625 USD
CATERPILLAR 3126 Engine 70-PIN ECM - P/N 162-7584-03; 11900007KC Used Engine Electronic Control Module pulled and listed in good working condition. Message with any questions..
ConditionUsed
Part Number162-7584-03
Stock Number3484
MLS Number13155931
CategoryEngine Control Modules (ECM)
Last Updated11/21/2024
Location
Springville, PA, US
Sold By
Summit Core Supply
(844) 329-___  SHOW
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Summit Core Supply
Caterpillar 3126 Engine Control Module (ECM) Part # 9X5566-07, 40-PIN, 1WN Serial

Caterpillar 3126 Engine Control Module (ECM) Part # 9X5566-07, 40-PIN, 1WN Serial

$1,500 USD
(GOOD USED / BENCH TESTED W/ WARRANTY) Caterpillar 3126 Part # 9X5566-07 ECM For Sale, 40-PIN ECM, 1WM Serial Prefix, Part # 9X5566 07, 9X556607, UKNMDK-NR, Compatible Part # 145-7807, 145...
ConditionUsed
Part Number9X5566 07
Stock Number8236
MLS Number13242384
CategoryEngine Control Modules (ECM)
Last Updated4/8/2025
Location
Opa Locka, FL, US
Sold By
CA Truck Parts Inc.
(305) 688-___  SHOW
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CA Truck Parts Inc.
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