Cummins ISB Engine Parts For Sale

Cummins ISB Engine Control Module (ECM) for CM550 Being Dismantled (Parts Available)

$250 USD

(CORE/ FOR PARTS OR NOT WORKING) OEM 2001 Cummins ISB Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 3990517; Supersession Part #'s: 3944124, 3944868; Service Model Name: ISB...

Condition	Dismantled
Fits To Model(s)	CM550
Part Number	3990517
Stock Number	E3536
MLS Number	12404789
Category	Engine Control Modules (ECM)
Last Updated	6/5/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Cummins ISB 6.7L Engine Control Module (ECM) for CM2150

$1,500 USD

(SURPLUS NEW/ TESTED) OEM Cummins ISB6.7 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4943134; Service Model Name: CM2150; Stock #: E2529 For more information about this...

Condition	New
Fits To Model(s)	CM2150
Part Number	4943134
Stock Number	E2529
MLS Number	11123438
Category	Engine Control Modules (ECM)
Last Updated	6/4/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Cummins ISB 6.7L Engine Control Module (ECM) for CM2150

$1,200 USD

(SURPLUS NEW/ TESTED) OEM Cummins ISB6.7 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4943134; Service Model Name: CM2150; Stock #: E2322 For more information about this...

Condition	New
Fits To Model(s)	CM2150
Part Number	4943134
Stock Number	E2322
MLS Number	10852479
Category	Engine Control Modules (ECM)
Last Updated	6/4/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Cummins ISB 6.7L Engine Control Module (ECM) for 07EPA

$1,500 USD

(SURPLUS NEW/ TESTED) OEM Cummins ISB6.7 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4943134; Service Model Name: CM2150; Stock #: E2570 For more information about this...

Condition	New
Will Fit Year(s)	07EPA
Part Number	4943134
Stock Number	E2570
MLS Number	11162568
Category	Engine Control Modules (ECM)
Last Updated	6/4/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Cummins ISB 6.7L Engine Control Module (ECM) for EPA07

$1,500 USD

(SURPLUS NEW/ TESTED) OEM Cummins ISB6.7L Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 4943134; Service Model Name: CM2150; Stock #: E2692 For more information about this...

Condition	New
Fits To Model(s)	EPA07
Part Number	4943134
Stock Number	E2692
MLS Number	11308874
Category	Engine Control Modules (ECM)
Last Updated	6/4/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

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Cummins ISB 5.9L 24-Valve Diesel Engine Connecting Rod Part# 3971210

$29.99 USD

PART SPECIFICS, Price USD: $29.99 (SOLD INDIVIDUALLY), Make: CUMMINS ISB 5.9L 24-VALVEDIESEL ENGINE, Model: CONNECTING ROD, Part#: 3971210, Stock#: 321466,...

Warranty

Quantity	6
Condition	Used
Part Number	3971210
Stock Number	324458
MLS Number	12907620
Category	Engine Rods
Last Updated	6/3/2024
Location	Rockwood, TN, US
Sold By	Machinery and Truck Parts

Cummins ISB Engine Control Module (ECM) for a 2009 Freightliner MT55 Chassis

$299.99 USD

(Used) 2008 Cummins ISB, ENGINE ECM- ECM Mode: CM2150D, Part Number: 4943134, Serial Number: 52715, ECM CODE: AU90047.20, Engine information- Family Number: 8CEXH0408BAF, ESN: 57866891, 2...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT55 Chassis
Will Fit Year(s)	2009
Part Number	4943134
Stock Number	P-81538
MLS Number	12903661
Category	Engine Control Modules (ECM)
Last Updated	1/14/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB Engine Control Module (ECM) for a 2009 Freightliner MT45 Chassis

$299.99 USD

(Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 2150DH041196, 2 Plugs with 60 Pins each, 1 Plug with 4 Pins, Reference images for condition. For more information...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT45 Chassis
Will Fit Year(s)	2009
Part Number	4943134
Stock Number	P-81520
MLS Number	12903643
Category	Engine Control Modules (ECM)
Last Updated	1/14/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

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(GOOD USED) Cummins ISB 5.9L Diesel Engine Fuel Pump Gear Part# 3945280

$49.99 USD

PART SPECIFICS, Price USD:$49.99, Make: CUMMINS 5.9L ISB DIESEL ENGINE, Model: FUEL INJECTION PUMP GEAR, Part#: 3945280 , Stock#: SC2407, Condition: GOOD USED

Warranty

Condition	Used
Part Number	3945280
Stock Number	SC2407
MLS Number	12896875
Category	Engine Gears
Last Updated	5/28/2024
Location	Rockwood, TN, US
Sold By	Machinery and Truck Parts

(855) 465-___ SHOW
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Cummins ISB Valve Cover

$80 USD

CUMMINS 3968859 - COVER,VALVE, Core Charge: 0.00

Condition	New
Fits To Make(s)	Cummins
Part Number	3968859
Stock Number	136389
MLS Number	9063520
Category	Valve Covers
Last Updated	12/26/2025
Location	Louisville, KY, US
Sold By	River City Truck Parts

Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis

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(Used) 2005 Cummins ISB, ENGINE ECM- CM: CM850, Part Number: 4921776, Serial Number: 26022299, ECM CODE: Z90030.18, Engine information- ESN: 46517388, 1 Rectangular Plug with 4 pins, 1...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT45 Chassis
Will Fit Year(s)	2006
Part Number	4921776
Stock Number	P-81144
MLS Number	12893212
Category	Engine Control Modules (ECM)
Last Updated	5/25/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB Engine Control Module (ECM) for a 2009 Freightliner MT45 Chassis

$299.99 USD

(Used) 2008 Cummins ISB, ENGINE ECM- Serial Number: 38614, Part Number: 4943134, ECM Code: AU90047.18, Engine information- ESN: 46933853, 2 Plugs with 60 Pins each, 1 Plug with 4 Pins,...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT45 Chassis
Will Fit Year(s)	2009
Part Number	4943134
Stock Number	P-81141
MLS Number	12893209
Category	Engine Control Modules (ECM)
Last Updated	1/14/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB Engine Control Module (ECM) for a 2008 Freightliner MT55 Chassis

$299.99 USD

(Used) 2008 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 8617, ECM CODE: AU90047.16, Engine information- ESN: 46867536, 2 Plugs with 60 Pins each, 1 Plug with 4 Pins,...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT55 Chassis
Will Fit Year(s)	2008
Part Number	4943134
Stock Number	P-81136
MLS Number	12893204
Category	Engine Control Modules (ECM)
Last Updated	1/14/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB Engine Control Module (ECM) for a Freightliner MT45 Chassis

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(Used) 2006 Cummins ISB, ENGINE ECM- CM: CM850, Part Number: 4921776, Serial Number: 29044548, ECM CODE: Z90030.18, Engine information- ESN: 46619195, 1 Rectangular Plug with 4 pins, 1...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT45 Chassis
Part Number	4921776
Stock Number	P-81007
MLS Number	12893086
Category	Engine Control Modules (ECM)
Last Updated	5/25/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB Engine Control Module (ECM) for a 2010 Freightliner MT55 Chassis

$299.99 USD

(Used) 2009 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 115028, ECM CODE: AU90196.03, Engine information- Family Number: 9CEXH0408BAG ESN: 73063245, 2 Plugs with 60 Pins...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT55 Chassis
Will Fit Year(s)	2010
Part Number	4943134
Stock Number	P-81000
MLS Number	12893079
Category	Engine Control Modules (ECM)
Last Updated	1/14/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis

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(Used) 2005 Cummins ISB, ENGINE ECM- REMAN!! DATE: 07/24/2013, Part Number: 4921776, Serial Number: 37045563, ECM CODE: Z90005.30, Engine information- ESN: 60272959, 1 Rectangular Plug...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT45 Chassis
Will Fit Year(s)	2006
Part Number	4921776
Stock Number	P-80873
MLS Number	12892956
Category	Engine Control Modules (ECM)
Last Updated	5/25/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis

Contact for price

(Used) 2005 Cummins ISB, ENGINE ECM- CM: CM850, Part Number: 4921776, Serial Number: 26022388, ECM CODE: Z90030.18, Engine information- ESN: 46517917, 1 Rectangular Plug with 4 pins, 1...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT45 Chassis
Will Fit Year(s)	2006
Part Number	4921776
Stock Number	P-80869
MLS Number	12892952
Category	Engine Control Modules (ECM)
Last Updated	5/25/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB Engine Control Module (ECM) for a Freightliner MT45 Chassis

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(Used) Cummins ISB, ENGINE ECM- Part Number: P4921776-RX, Serial Number: A37201959, 1 Rectangular Plug with 4 pins, 1 Rectangular Plug with 60 pins, 1 Rectangular Plug with 50 pins,...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT45 Chassis
Part Number	P4921776-RX
Stock Number	P-80867
MLS Number	12892950
Category	Engine Control Modules (ECM)
Last Updated	5/25/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB Engine Control Module (ECM) for a 2009 Freightliner MT45 Chassis

$449.99 USD

(Used) 2008 Freightliner MT45 Chassis, ENGINE ECM- REMANUFACTURED, Serial Number: 6EC4700A34046675, Part Number: 4921776, Engine information- ESN: 65119G092, Engine: P-53582, 1 Rectangular...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT45 Chassis
Will Fit Year(s)	2009
Part Number	4921776
Stock Number	P-53585
MLS Number	12182268
Category	Engine Control Modules (ECM)
Last Updated	5/24/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB 5.9L Engine Control Module (ECM) for a 2007 Freightliner MT45 Chassis

$699.99 USD

(Used) 2006 Cummins ISB 5.9, ENGINE ECM- Serial Number: A35000730, Part Number: P4921776-RX, DC: 1931, Engine information- Displacement: 5.9L, Serial Number: 60285931, Part Number 4018419,...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT45 Chassis
Will Fit Year(s)	2007
Part Number	P4921776-RX
Stock Number	P-48323
MLS Number	12073968
Category	Engine Control Modules (ECM)
Last Updated	5/24/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB 5.9L Engine Control Module (ECM) for a 2006 Freightliner MT45 Chassis

$599.99 USD

(Used) 2005 Cummins ISB 5.9, ENGINE ECM- Serial Number: 34136443, Part Number: 4921776, ECM Code: 790005.30, Engine information- Family Number: 6CEXH0359BAG, Displacement: 5.9L, Horsepower:...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT45 Chassis
Will Fit Year(s)	2006
Part Number	4921776
Stock Number	P-46028
MLS Number	12013614
Category	Engine Control Modules (ECM)
Last Updated	5/24/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts