View 2 Photos View 0 Videos 2012 Used Cummins ISX12 Rocker arm Shaft $70 USD Used ISX12 Rocker arm Shaft, Type: Rocker arm Shaft ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2012Part Number4975268Stock Number525-15954 MLS Number12370741CategoryEngine Valve Trains Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2012 Used Cummins ISX12 Rocker Arm shaft $70 USD Used ISX12 Rocker Arm shaft, Type: Rocker arm Shaft ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2012Part Number4975268Stock Number525-15953 MLS Number12357990CategoryEngine Valve Trains Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2013 Cummins ISX12 Control Module, ECM, ECU, 5290171, 5290170, CM2350 X102 $1,500 USD (GOOD USED/ TESTED) OEM 2013 Cummins ISX12 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 5290170; Supersession Part #: 5290171; Service Model Name: CM2350 X102; Stock... ConditionUsedPart Number5290170Stock NumberE3491 MLS Number12355118CategoryEngine Control Modules (ECM) Last Updated10/3/2023 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2012 Used Cummins ISX12 Idler Gear $29 USD Used ISX12 Idler Gear, Type: Idler Hub ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2012Part Number2894653Stock Number513-25773 MLS Number12355287CategoryEngine Gears Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 9 Photos View 0 Videos Cummins ISX12 Air Intake Transfer Tube Part # 3924990 $95 USD (GOOD USED) Cummins ISX12 Air Intake Transfer Tube 3924990 For Sale, Part # 3924990 REV 00, REV 00, Other Part # BB8155, Stock # 5815 | Tested Inspected! All our PARTS are TESTED and Ship... ConditionUsedPart Number3924990Stock Number5815 MLS Number12320324CategoryEngine Miscellaneous Parts Last Updated9/18/2023 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Used Cummins ISX12 Gear Cover Plate $39.99 USD Used ISX12 Gear Cover Plate, Type: Rear Gear Cover ConditionUsedPart Number4974958Stock Number507-18624 MLS Number12311008CategoryEngine Covers 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 2015 Used Cummins ISX12 Rocker Arm Shaft $70 USD Used ISX12 Rocker Arm Shaft, Type: Rocker Arm Shaft Quantity2ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2015Part Number4975268Stock Number525-15921 MLS Number12262531CategoryEngine Valve Trains 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 2015 Used Cummins ISX12 Gear Retainer $39.50 USD Used ISX12 Gear Retainer, Type: Idler Gear Retainer ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2015Part Number2899613Stock Number513-25697 MLS Number12260320CategoryEngine Gears 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 2015 Used Cummins ISX12 Idler Hub $39.99 USD Used ISX12 Idler Hub, Type: Idler Hub ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2015Part Number2899615Stock Number513-25696 MLS Number12260319CategoryEngine Gears 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 2015 Used Cummins ISX12 Oil Cooler Housing $243 USD Used ISX12 Oil Cooler Housing, Type: Oil Cooler Housing ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2015Part Number2870232Stock Number506-12853 MLS Number12252541CategoryEngine Oil Coolers 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 2015 Used Cummins ISX12 EGR Valve Bracket $60 USD Used ISX12 EGR Valve Bracket, Type: EGR Valve Bracket, Material: Cast Iron ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2015Part Number2870112Stock Number502-16718 MLS Number12240855CategoryEngine 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 2015 Used Cummins ISX12 Water Outlet Connection $70 USD Used ISX12 Water Outlet Connection, Type: Water Outlet Connection ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2015Part Number2892038Stock Number526-11632 MLS Number12237762CategoryEngine Plumbing 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 2015 Used Cummins ISX12 Front Seal Carrier $38 USD Used ISX12 Front Seal Carrier, Type: Front Main Seal Cover ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2015Part Number2870122Stock Number507-18335 MLS Number12237761CategoryEngine Covers 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 2015 Used Cummins ISX12 Air Compressor Bracket $45 USD Used ISX12 Air Compressor Bracket, Type: Air Compressor Bracket, Material: Cast Iron ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2015Part Number2884824Stock Number502-16723 MLS Number12237758CategoryEngine Brackets Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2015 Used Cummins ISX12 Thermostat Housing $92 USD Used ISX12 Thermostat Housing ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2015Part Number2883312Stock Number523-11685 MLS Number12237757CategoryEngine Thermostat Housings Last Updated8/8/2023 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2015 Used Cummins ISX12 Block Plate Stabilizer $81 USD Used ISX12 Block Plate Stabilizer, Type: Block Plate, Stabilizer ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2015Part Number2883240Stock Number538-10236 MLS Number12225379CategoryEngine Parts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos 2015 Used Cummins ISX12 Breather Bracket $170 USD Used ISX12 Breather Bracket, Type: Breather Bracket, Material: Steel ConditionUsedFits To Make(s)CumminsFits To Model(s)ISX12Will Fit Year(s)2015Part Number2870056Stock Number502-16717 MLS Number12225378CategoryEngine 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 ISX12 Liner Kit, Part # 4376168 $200 USD 4376168 ISX Liner Kit, Core Charge: 0.00 ConditionNewPart Number4376168Stock Number155962 MLS Number12213848CategoryPistons & Rod Parts Last Updated3/20/2026 LocationLouisville, KY, US Sold ByRiver City Truck Parts (855) 465-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos New Cummins ISX12 Dowl Ring $68.95 USD New ISX12 Dowl Ring, Type: Dowl Ring ConditionNewPart Number4974994Stock Number541-10772 MLS Number11343113CategoryEngine Head Bolts Last Updated1/24/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Cummins ISX12 Engine Control Module (ECM) $999.99 USD (Used) 2015 Cummins ISX12, ENGINE ECM- 1T2350A04324003 Part Number: 5317106 28410744001 00 TR0 5075 A1 Family Number: FCEXH0729XAE, Displacement: 11.9L, Horsepower: 425, ESN: 75041639, CPL:... ConditionUsedPart Number5317106Stock NumberP-44168 MLS Number11980382CategoryEngine Control Modules (ECM) Last Updated5/20/2023 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2016 Cummins ISX12 Engine Control Module (ECM) $849.99 USD (Used) 2015 Cummins ISX12, ENGINE ECM- Part Number: P5317106, Serial Number: 1T2350A04291463, T0695, Horsepower: 425, CPL: 4589, ESN: 75039921, For more information about this item, give us... ConditionUsedCPL/ARR4589Will Fit Year(s)2016Part NumberP5317106Stock NumberP-30776 MLS Number11473429CategoryEngine Control Modules (ECM) Last Updated5/20/2023 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos Cummins ISX12 Engine Control Module (ECM) $999.99 USD (Used) 2015 Cummins ISX12, ECM- Serial Number: 1T2350A04291288, Part Number: P5317106, ESN: 75039920, Family Number; FCEXH0729XAE, HP: 425, CPL: 4589, For more information about this item,... ConditionUsedCPL/ARR4589Part NumberP5317106Stock NumberP-29893 MLS Number11402295CategoryEngine Control Modules (ECM) Last Updated5/28/2023 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins ISX12 Engine Block / Cylinder Block for a Peterbilt 384 $2,500 USD USED ISX 12 BLOCK NEEDS CHECKED, Serial#: 2883221, Casting#: 2883221 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)384Part Number2883221Stock Number90620-11 MLS Number11044499CategoryEngine Blocks / Cylinder Blocks Last Updated5/19/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Cummins ISX12 Engine Control Module ECM ECU 4993120RX 4993120 4993121 CM2250 $1,000 USD (GOOD USED/ TESTED/REMAN) Cummins ISX12 Diesel Engine Control Module, ECM, ECU, Part #: 4993120RX; Supersession Part #:4993120, 4993121; Service Model Name: ISX12 CM2250; Stock #: E3309 For... ConditionUsedPart Number4993120RXStock NumberE3309 MLS Number12060844CategoryEngine Control Modules (ECM) Last Updated5/15/2023 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos 2012 Cummins ISX12 Engine Control Module ECM ECU 4993120 4993121 CM2250 $1,000 USD (GOOD USED/ TESTED) OEM 2012 Cummins ISX12 Diesel Engine Control Module, ECM, ECU, Part #: 4993120; Supersession Part #: 4993121; Service Model Name: ISX12 CM2250; Stock #: E3303 For more... ConditionUsedPart Number4993120Stock NumberE3303 MLS Number12038301CategoryEngine Control Modules (ECM) Last Updated5/13/2024 LocationHialeah, FL, US Sold ByJJ Rebuilders Inc. (844) 385-___ SHOWNUMBERCall Seller Email Seller Save More Info