'Cummins 5.9L' search results in Engine Parts For Sale

(844) 580-___ SHOW
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Used Rebuildable Cylinder Head Assembly for Cummins 5.9 12-VALVE

$200 USD

This part is VIN specific and may not be stock. Please contact us directly to inquire about availability and potential sourcing options from our large on-site yard inventory PHONE:...

Condition	Used
Stock Number	35H-3927301-BASE
MLS Number	11704408
Category	Engine Miscellaneous Parts
Last Updated	3/21/2026
Location	Big Lake, MN, US
Sold By	Quality Bus and Truck Parts

(844) 385-___ SHOW
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Cummins IB5.9 Engine Computer Module, ECM, ECU 4921797 4921776 CM850

$750 USD

(GOOD USED/ TESTED) Cummins ISB5.9 OEM Engine Computer Module, ECM, ECU, for sale!!!! P/N: 4921776; Supersession Part #: 4941797; Service Model Name: CM850; Stock #: E4358 For more...

Condition	Used
Part Number	4921797
Stock Number	E4358
MLS Number	14000741
Category	Engine Control Modules (ECM)
Last Updated	11/25/2025
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Cummins ISX Engine Control Module (ECM) for a 2009 International LA617

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(Used) 2007-2011 Cummins ISX, ENGINE ECM- GE4275 Cummins 3684275 Cummins 3684276 2007-2011 CUMMINS ISX Part Number: 3684275, Engine Information- Family Number: 8CEXH0912XAK, Displacement: 14...

Condition	Used
Fits To Make(s)	International
Fits To Model(s)	LA617
Will Fit Year(s)	2009
Part Number	3684275
Stock Number	P-113322
MLS Number	13940562
Category	Engine Control Modules (ECM)
Last Updated	10/25/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISX12N Engine Control Module (ECM) for a 2020 Freightliner Cascadia 116 Day Cab

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(Used) 2019 Cummins ISX12N, ENGINE ECM- Part Number: 5491911, Serial Number: 100010969 012808, D/C: 190830, CM2380, Engine Information- Family Number: KCEXH0729XBC, Displacement: 11.9L, 2...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 116 Day Cab
Will Fit Year(s)	2020
Part Number	5491911
Stock Number	P-113321
MLS Number	13940561
Category	Engine Control Modules (ECM)
Last Updated	10/25/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(844) 835-___ SHOW
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Recon Reman 1998 1999 2000 2001 2002 2003 Cummins ECM ECU Computer 3990517-RX

$499.99 USD

(TESTED PART) FITSCUMMINS ISB 5.9L 24-Valve Diesel Engine CM550, NON-EGR Model DIESEL ENGINE, PART# P3990517-RX,(PROGRAMMING MAY BE REQUIRED)INCLUDES WARRANTY. CALL FOR MORE INFORMATION,...

Warranty

Condition	Used
Assembly Number	P3990517-RX
Engine Model	ISB 5.9L 24-Valve
Fits To Equipment	Cummins ISB ECM ECU Computer 3990517
Fits To Make(s)	Cummins ECM ECU Computer 3990517-RX
Fits To Model(s)	Cummins ECM ECU Computer P3990517-RX
Will Fit Year(s)	1998 1999 2000 2001 2002 2003
Part Number	P3990517-RX
Stock Number	324876
MLS Number	13687795
Category	Engine Control Modules (ECM)
Last Updated	7/8/2025
Location	Rockwood, TN, US
Sold By	Machinery and Truck Parts

Cummins ISB Engine Control Module (ECM) Part # 3990517

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(TESTED W/ WARRANTY) Cummins ISB 5.9L Diesel Engine ECM Part # 3990517 For Sale, NON-EGR, CM550, CPL 2687, ECM Code J91280, Pulled off Model ISB, ESN 60264604, Serial # 8000529, Price...

Condition	Used
Part Number	3990517
Stock Number	4476
MLS Number	12076795
Category	Engine Control Modules (ECM)
Last Updated	6/26/2025
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Cummins ISX Engine Part for a 2015 Freightliner Cascadia 125

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(Used) 2014 Cummins ISX; Signature, EGR COOLER- Part Number: 3689565, Serial Number: 40062155, Family Number: ECEXH0912XAU, Displacement: 14.9L, Horsepower: 485, Ar.No./CPL: 3938, Serial...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2015
Part Number	36896565
Stock Number	P-85121
MLS Number	13017131
Category	Engine Miscellaneous Parts
Last Updated	7/14/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(844) 835-___ SHOW
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(GOOD USED) Cummins ISB 5.9L Diesel Engine Oil Pan PART# 3924642 PAI002959

$199.99 USD

PART SPECIFICS, Price USD: #199.99, Make: CUMMINS ISB DIESEL ENGINE, Model: OIL PAN, Part#: 3924642, PAI 002959, Stock#: 324397, Condition: GOOD USED

Warranty

Condition	Used
Part Number	3924642
Stock Number	324397
MLS Number	12850216
Category	Engine Oil Pans
Last Updated	5/7/2024
Location	Rockwood, TN, US
Sold By	Machinery and Truck Parts

Cummins ISB / QSB 5.9 Rear Main Crankshaft Seal for 1989 - 2018 Part # M-3926126

$75 USD

(NEW/OPENED BOXED) 1989-2018 Cummins ISB/QSB 5.9L Rear Main Crankshaft Seal with Wear Sleeve M-3926126 For Sale, 12V/24V, Part # M 3926126, M3926126, 3926126, Stock # 7087 All our PARTS are...

Condition	Used
Will Fit Year(s)	1989 - 2018
Part Number	M 3926126
Stock Number	7087
MLS Number	12684441
Category	Engine Seals
Last Updated	3/8/2024
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Cummins ISX Engine Control Module (ECM) for a 2016 Freightliner Cascadia 125

$999.99 USD

(Used) 2016 Cummins ISX, ENGINE ECM- Part Number: P5317106, Serial Number: 1T2350A04261643, Family Number: FCEXH0912XAT, Displacement: 14.9L, Horsepower: 450, ESN: 79810960, ECS: EGR, PTOX,...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2016
Part Number	P5317106
Stock Number	P-39016
MLS Number	11857790
Category	Engine Control Modules (ECM)
Last Updated	7/14/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB Engine Control Module (ECM) for a 2001 Freightliner MT55 Chassis

Price Drop $599.98 USD

(Used) 2001 Cummins ISB, ENGINE ECM- Part Number: P3990517, Serial Number: 0A09001560, ESN: 60274119, ECM CODE: J91230.05, Cummins ISB ENGINE - Family Number: 2CEXH0359BAB, Displacement:...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT55 Chassis
Will Fit Year(s)	2001
Part Number	P3990517
Stock Number	P-38670
MLS Number	11849584
Category	Engine Control Modules (ECM)
Last Updated	3/12/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISX Engine Control Module (ECM) for a 2014 Freightliner Cascadia 125

$799.99 USD

(Used) 2014 Cummins ISX, ENGINE ECM- Part Number: 5290170, Serial Number: 3030436. ECM CODE: EF10044.12-80000, Family Number: DCEXH0912XAT, Displacement: 14.9L, Horsepower: 450, ESN:...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia 125
Will Fit Year(s)	2014
Part Number	5290170
Stock Number	P-38638
MLS Number	11846452
Category	Engine Control Modules (ECM)
Last Updated	11/27/2025
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISB Engine Control Module (ECM) for a 2001 Freightliner MT55

$599.98 USD

(Used) 2000 Cummins ISB185, ENGINE ECM- Part Number: P3944124, Serial Number: 0C03003104, ESN: 46037459, Family Number: YCEXH0359BAP, Horsepower: 185, Displacement: 5.9L / 359 CID, CPL/AR:...

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	MT55
Will Fit Year(s)	2001
Part Number	P3944124
Stock Number	P-38605
MLS Number	11846412
Category	Engine Control Modules (ECM)
Last Updated	3/13/2026
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISX12 Engine Control Module (ECM) for a 2012 Peterbilt 365

$999.99 USD

(Used) Cummins ISX12. ENGINE ECM- Model Number: 28410537001. Part Number: P4993120, Serial Number: 1T2250A06057183, T1471, Displacement: 11.9L, Horsepower: 425, CPL: 3438, For more...

Condition	Used
Fits To Make(s)	Peterbilt
Fits To Model(s)	365
Will Fit Year(s)	2012
Part Number	28410537001
Stock Number	P-37878
MLS Number	11835444
Category	Engine Control Modules (ECM)
Last Updated	12/18/2023
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Cummins ISX12 Engine Control Module (ECM) for a 2012 American La France CONDOR

$149.99 USD

(Used REMAN) 2011 Cummins ISX12, ECM- Part Number: 0281020225, Serial Number: A034V782, Denoxtronic: 2.2, Engine: P-31245, Family Number: CCEXH0729XAC, Displacement: 11.9L, Horsepower: 320,...

Condition	Used
Fits To Make(s)	American La France
Fits To Model(s)	CONDOR
Will Fit Year(s)	2012
Part Number	0281020225
Stock Number	P-35999
MLS Number	11774270
Category	Engine Control Modules (ECM)
Last Updated	3/9/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

(844) 604-___ SHOW
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Cummins ISB EGR Cooler

$125 USD

Good used EGR Cooler off of a Cummins ISB 200 5.9L Engine. All looks to be in good condition. Casting number is not visible. Please see pictures and feel free to call or email us with any...

Condition	Used
Part Number	P-5074
Stock Number	P-5074
MLS Number	9666487
Category	EGR Coolers
Last Updated	12/18/2023
Location	Kankakee, IL, US
Sold By	River Valley Truck Parts

Cummins 6BT Exhaust Outlet Part # 3928032 CP4

$65 USD

(GOOD USED) Cummins 3928032 Pipe Exhaust Outlet Elbow, Pulled off a Cummins 6BT 5.9L Mechanical Diesel Engine, Part # 3928032, Other Part # CP4, Stock # 5048 | Tested Inspected! All our...

Condition	Used
Part Number	3928032 CP4
Stock Number	5048
MLS Number	12176965
Category	Engine Miscellaneous Parts
Last Updated	7/13/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Cummins ISB Air Intake Tube Part # 3923178

$50 USD

(GOOD USED) Cummins ISB 3923178 Air Transfer Elbow Tube For Sale, Intake Elbow off a Cummins ISB 5.9L Engine, Elbow shape, 3923178, Part# 3923178, Stock # 4714 All our PARTS are TESTED...

Condition	Used
Part Number	3923178
Stock Number	4714
MLS Number	12110433
Category	Engine Miscellaneous Parts
Last Updated	6/8/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

2007 Cummins ISM Engine Control Module (ECM) for 2007-2009 Part # 3103533

$1,350 USD

(TESTED W/ WARRANTY) 2007 Cummins ISM 5.9L Diesel Engine ECM For Sale, Part # 3103533, NON-EGR, Pulled off Model ISM, CM875, ECM Serial # 3064016, Fits 2007, 2008, 2009, Stock # 4449 All...

Condition	Used
Will Fit Year(s)	2007-2009
Part Number	3103533
Stock Number	4449
MLS Number	12071165
Category	Engine Control Modules (ECM)
Last Updated	5/19/2023
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

2006 Cummins ISB Engine Control Module (ECM) Part # 4921776 for 2004 2005 2006 ISB EGR-Model CM850 Diesel Engines

$695 USD

(GOOD USED) 2006 Cummins ISB ECM Part # 4921776, CM850, EGR-Model, CPL 8136, 2004-2006 Compatible, 200 HP, Pulled off Cummins ISB 5.9L Engine, Stock # 3482 | Tested Inspected! All...

Condition	Used
CPL/ARR	8136
Engine Model	ISB
Fits To Equipment	Diesel Engines
Fits To Make(s)	Cummins
Fits To Model(s)	ISB EGR-Model CM850
Will Fit Year(s)	2004 2005 2006
Part Number	4921776
Stock Number	3482
MLS Number	11355985
Category	Engine Control Modules (ECM)
Last Updated	4/21/2022
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

2006 Cummins ISB Engine Control Module (ECM) Part # 4921776 for 2004 2005 2006 ISB EGR-Model CM850 Diesel Engines

$695 USD

(GOOD USED) 2006 Cummins ISB ECM Part # 4921776, CM850, EGR-Model, CPL 8136, 2004-2006 Compatible, 200 HP, Pulled off Cummins ISB 5.9L Engine, Stock # 3481 | Tested Inspected! All...

Condition	Used
CPL/ARR	8136
Fits To Equipment	Diesel Engines
Fits To Make(s)	Cummins
Fits To Model(s)	ISB EGR-Model CM850
Will Fit Year(s)	2004 2005 2006
Part Number	4921776
Stock Number	3481
MLS Number	11355973
Category	Engine Control Modules (ECM)
Last Updated	4/21/2022
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

2006 Cummins ISB Engine Control Module (ECM) Part # 4921776 for 2004 2005 2006 ISB EGR-Model CM850 Diesel Engines

$695 USD

(GOOD USED) 2006 Cummins ISB ECM Part # 4921776, CM850, EGR-Model, CPL 8136, 2004-2006 Compatible, 200 HP, Pulled off Cummins ISB 5.9L Engine, Stock # 3481 | Tested Inspected! All...

Condition	Used
CPL/ARR	8136
Engine Model	ISB (EGR-Model)
Fits To Equipment	Diesel Engines
Fits To Make(s)	Cummins
Fits To Model(s)	ISB EGR-Model CM850
Will Fit Year(s)	2004 2005 2006
Part Number	4921776
Stock Number	3481
MLS Number	11355933
Category	Engine Control Modules (ECM)
Last Updated	4/21/2022
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Cummins ISB Engine Control Module (ECM) for 2004 2005 2006 ISB EGR-Model CM850

$695 USD

(GOOD USED) 2006 Cummins ISB ECM Part # 4921776, CM850, EGR-Model, CPL 8136, 2004-2006 Compatible, 200 HP, Pulled off Cummins ISB 5.9L Engine, Stock #3478 | Tested Inspected! All...

Condition	Used
CPL/ARR	8136
Horse Power	200 HP
Engine Model	ISB (EGR-Model)
Emission Rating	EGR-Model
Fits To Make(s)	Cummins
Fits To Model(s)	ISB EGR-Model CM850
Will Fit Year(s)	2004 2005 2006
Part Number	4921776
Stock Number	3478
MLS Number	11345353
Category	Engine Control Modules (ECM)
Last Updated	4/13/2022
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.

Cummins ISB Engine Control Module (ECM) for Diesel Engines

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(TESTED W/ WARRANTY) Cummins ISB 5.9L ECM For Sale, 24V CM550, NON-EGR Model Diesel Engine, PN# P3942860, GUARANTEED TO BE PROGRAMMABLE AND INCLUDES WARRANTY, ECM Serial # 5004012234, Stock...

Condition	Used
Engine Model	ISB
Fits To Equipment	Diesel Engines
Part Number	P3942860
Stock Number	2034
MLS Number	10047358
Category	Engine Control Modules (ECM)
Last Updated	1/17/2020
Location	Opa Locka, FL, US
Sold By	CA Truck Parts Inc.