View 8 Photos View 0 Videos New Take Off Cummins QSB Alt Support Bracket $103 USD New Take Off QSB Alt Support Bracket, Type: Alternator Bracket, Material: Aluminum ConditionNewPart Number3966354Stock Number502-13523 MLS Number8938640CategoryEngine Brackets Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins QSB Valve Cover $349.95 USD CUMMINS VALVE COVER - 5311734 EPA 07 6.7L ISB/QSB ConditionNewFits To Make(s)CUMMINSFits To Model(s)QSBStock Number5311734 MLS Number13598757CategoryValve Covers Last Updated1/20/2026 LocationHenderson, CO, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Aftermarket Cummins QSB 4.5L Out of Frame Overhaul Kit -1.00MM Piston Contact for price New Aftermarket QSB 4.5L Out of Frame Overhaul Kit -1.00MM Piston, Type: Out of Frame Overhaul Kit ConditionUsedPart NumberOH4089621Stock Number537-10363 MLS Number14091592CategoryEngine Overhaul Kits Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Aftermarket Cummins QSB 4.5L Out of Frame Overhaul Kit -.50MM Piston Contact for price New Aftermarket QSB 4.5L Out of Frame Overhaul Kit -.50MM Piston, Type: Out of Frame Overhaul Kit ConditionUsedPart NumberOH4089620Stock Number537-10362 MLS Number14091591CategoryEngine Overhaul Kits Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Aftermarket Cummins QSB 4.5L Out of Frame Overhaul Kit Standard Size Piston Contact for price New Aftermarket QSB 4.5L Out of Frame Overhaul Kit Standard Size Piston, Type: Out of Frame Overhaul Kit ConditionUsedPart NumberOH4089462Stock Number537-10361 MLS Number14091590CategoryEngine Overhaul Kits Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Aftermarket Cummins QSB 4.5L In-Frame Kit -1.00MM Piston Contact for price New Aftermarket QSB 4.5L In-Frame Kit -1.00MM Piston, Type: In-Frame Kit -1.00MM Piston ConditionUsedPart NumberIF4089621Stock Number537-10359 MLS Number14091589CategoryEngine Overhaul Kits Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Aftermarket Cummins QSB 4.5L In-Frame Kit -.50MM Piston Contact for price New Aftermarket QSB 4.5L In-Frame Kit -.50MM Piston, Type: In-Frame Kit -.50MM Piston ConditionUsedPart NumberIF4089620Stock Number537-10358 MLS Number14091588CategoryEngine Overhaul Kits Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos New Aftermarket Cummins QSB 4.5L In-Frame Kit Standard Size Piston Contact for price New Aftermarket QSB 4.5L In-Frame Kit Standard Size Piston, Type: In-Frame Kit Standard Size Piston ConditionUsedPart NumberIF4089462Stock Number537-10357 MLS Number14091587CategoryEngine Overhaul Kits Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Cummins QSB 6.7 Engine Wiring Harness for a Cummins QSB-6.7 $100 USD Good used, cleaned and inspected Cummins QSB-6.7 engine wiring harness. Part number: 5317120. ConditionUsedFits To Make(s)CUMMINSFits To Model(s)QSB-6.7Stock Number1061233 MLS Number13697749CategoryEngine Wiring Harnesses Last Updated1/3/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins QSB 6.7 Valve Cover for a Cummins QSB-6.7 $40 USD Good used, cleaned and inspected Cummins QSB-6.7 valve cover. Part number: 5258937. ConditionUsedFits To Make(s)CUMMINSFits To Model(s)QSB-6.7Part Number5258937Stock NumberRyd 5258937 MLS Number13741354CategoryValve Covers Last Updated1/1/2026 LocationFitchburg, MA, US Sold ByRydemore Heavy Duty Truck Parts (888) 519-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2011 Cummins QSB4.5 Diesel Engine Control Module ECM ECU 4921776 4921797 CM850 $750 USD (GOOD USED/ TESTED) OEM Cummins QSB4.5Diesel Engine Control Module, ECM, ECU, for sale!!!!! P/N: 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #: E4366 For more... ConditionUsedPart Number4921776Stock NumberE4366 MLS Number14010214CategoryEngine Control Modules (ECM) Last Updated12/3/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2016 Cummins QSB 4.5 Engine Control Module (ECM) $1,000 USD (GOOD USED/ TESTED) Cummins QSB4.5 OEM Diesel Engine Control Module, ECM, ECU, for sale!!!!!Part #'s: 4993120, Supersession Part #: 4993121; Service Model Name: CM2250; Stock #: E4363 For... ConditionUsedPart Number4993120Stock NumberE4363 MLS Number14008169CategoryEngine Control Modules (ECM) Last Updated12/2/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 10 Photos View 0 Videos Cummins QSB 6.7 Diesel Engine Fan Support Part # 3958412 Contact for price (GOOD USED/TESTED) Cummins QSB6.7 Diesel Fan Support 3958412 For Sale, Part # 3958412, Other Part # 27E6, 8806, 7M Stock # 5126 | Tested Inspected! All ourPARTSareTESTEDand ShipPRIORITY... ConditionUsedPart Number39584112Stock Number5126 MLS Number12188366CategoryEngine Miscellaneous Parts Last Updated11/12/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2007 Cummins QSB4.5L Engine Control Module ECM ECU 4921776 CM850 CM2850 $750 USD (GOOD USED/ TESTED) Cummins QSB4.5 OEM Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 4921776; Service Model Name: CM850(CM2850); Stock #: E4321 For more information about this... ConditionUsedPart Number4921776Stock NumberE4321 MLS Number13929548CategoryEngine Control Modules (ECM) Last Updated10/28/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos Cummins QSB Computer Module ECM ECU 4993120 4993121 CM2250 $1,000 USD (GOOD USED/ TESTED) Cummins QSB OEM Diesel Engine Control Module, ECM, ECU Part #: 4993120;Supersession Part #: 4993121;Service Model Name: CM2250 ;Stock #: E4260 For more information about... ConditionUsedPart Number4993120Stock NumberE4260 MLS Number13790042CategoryEngine Control Modules (ECM) Last Updated9/2/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2007 Cummins QSB 6.7 Engine Control Module (ECM) for 2007-2009 Part # 4921776, CM850 $695 USD (GOOD USED BENCH TESTED w/WARRANTY) 2007 Cummins QSB 6.7L Engine Control Module (ECM) CM850 4921776 For Sale, CM850, 160HP @ 2200RPM, Off 2007 Cummins QSB6.7L w/ Engine Serial# 46788929 ... ConditionUsedWill Fit Year(s)2007-2009Part Number4921776Stock Number9469 MLS Number13762519CategoryEngine Control Modules (ECM) Last Updated8/15/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 7 Photos View 0 Videos 2006 Cummins QSB-155C Engine Control Module (ECM) for 2004-2006 Part # 3990517, CM550 $600 USD (GOOD USED BENCH TESTED W/ WARRANTY) 2006 Cummins QSB5.9 CM550 Engine Control Module (ECM) 3990517 For Sale, NON-EGR Model, CM550, Part # 3990517, ECM Code J91703.07, CPL 8300, 155HP @ 2600... ConditionUsedWill Fit Year(s)2004-2006Part Number3990517Stock Number9352 MLS Number13740263CategoryEngine Control Modules (ECM) Last Updated8/4/2025 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins QSB 4.5 Engine Control Module (ECM) $750 USD (GOOD USED/ TESTED) OEM Cummins QSB4.5 Diesel Engine Control Module, ECM, ECU, Part #: 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #: E4204 For more information... ConditionUsedPart Number4921776Stock NumberE4204 MLS Number13662480CategoryEngine Control Modules (ECM) Last Updated6/25/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2007 Cummins QSB 6.7 Engine Control Module (ECM) $750 USD ConditionUsedHorse Power173 HPFits To Make(s)CUMMINSFits To Model(s)QSB 6.7Stock Number2467014 MLS Number13252068CategoryEngine Control Modules (ECM) Last Updated9/11/2025 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2007 Cummins QSB 6.7 Engine Control Module (ECM) $750 USD ConditionUsedHorse Power173 HPFits To Make(s)CUMMINSFits To Model(s)QSB 6.7Stock Number2467025 MLS Number13252069CategoryEngine Control Modules (ECM) Last Updated9/11/2025 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2013 Cummins QSB 6.7 Engine Control Module, ECM, ECM 4993120, 4993121, CM2250 $1,000 USD (GOOD USED/TESTED) 2013 Cummins QSB 6.7L Diesel Engine Control Module, ECM, ECM, for sale!!!!P/N: 4993120, Supersession Part #: 4993121; Service Model Name: QSB6.7 CM2250; Stock #: E4176 For... ConditionUsedPart Number4993120Stock NumberE4176 MLS Number13612691CategoryEngine Control Modules (ECM) Last Updated5/30/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2011 Cummins QSB Engine Control Module (ECM) $750 USD (GOOD USED/ TESTED) Cummins OEM QSB 4.5 Diesel Engine Control Module, ECM, ECU OEM, for sale!!!!! P/N: 4921776; Supersession Part #: 4921797; Service Model Name: CM850; Stock #: E4117 For... ConditionUsedPart Number4921776Stock NumberE4117 MLS Number13497988CategoryEngine Control Modules (ECM) Last Updated4/7/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Used Cummins QSB 6.7L Bridge, Crosshead [1] $6 USD Used QSB 6.7L Bridge, Crosshead [1], Type: Crosshead ConditionUsedPart Number3943626Stock Number525-13781 MLS Number8947783CategoryEngine Valve Trains Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins QSB 4.5 Engine Control Module (ECM) $750 USD (GOOD USED/ TESTED) OEM Cummins QSB4.5 Diesel Engine Control Module, ECM, ECU, for sale!!! Part #: 4921776; Service Model Name: CM850(CM2850); Stock #: E4032 For more information about this... ConditionUsedPart Number4921776Stock NumberE4032 MLS Number13356111CategoryEngine Control Modules (ECM) Last Updated1/22/2025 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins QSB 6.7 Engine Control Module (ECM) $1,000 USD CUMMINS QSB 6.7 Engine ECM - P/N 4921776; S/N 32067647; CPL 8466; 220 HP. Call or message with questions. ConditionUsedHorse Power220 HPPart Number4921776Stock Number3388 MLS Number12884020CategoryEngine Control Modules (ECM) Last Updated10/23/2024 LocationSpringville, PA, US Sold BySummit Core Supply (844) 329-___ SHOWNUMBERCall Seller Email Seller Save More Info