View 4 Photos View 0 Videos Cummins X12 Piston / Rod for a Cummins X12 EPA 17 $175 USD CUMMINS X12 (4814) USED GTO PISTON 5473215 PISTON MATERIAL: STEEL, PISTON PIN: DLC COATING Quantity6ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2360062 MLS Number14197356CategoryPistons & Rod Parts Last Updated3/1/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins X12 Engine Rod for a Cummins X12 EPA 17 $150 USD CUMMINS X12 (4814) USED GTO ENGINE CONNECTING ROD 3693233 WITHOUT PISTON CONNECTING ROD: NO OIL FEED DRILLING Quantity6ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2360056 MLS Number14197355CategoryEngine Rods Last Updated3/1/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins X12 Rocker Arm for a Cummins X12 EPA 17 $100 USD CUMMINS X15 USED ROCKER LEVER 4059294 Quantity3ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2353599 MLS Number14197303CategoryRocker Arms Last Updated3/1/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos 2019 Used Cummins X12 Block Stiffener $160 USD Used X12 Block Stiffener, Type: Block Stiffener, Material: Steel ConditionUsedFits To Make(s)CumminsFits To Model(s)X12Will Fit Year(s)2019Part Number5486623Stock Number538-10376 MLS Number14168098CategoryEngine Parts Last Updated2/28/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 6 Photos View 0 Videos 2019 Used Cummins X12 Idler Gear $150 USD Used X12 Idler Gear, Type: Idler Gear ConditionUsedFits To Make(s)CumminsFits To Model(s)X12Will Fit Year(s)2019Part Number3694722Stock Number513-27340 MLS Number14168097CategoryEngine Gears Last Updated2/28/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins X12 Engine Control Module (ECM) for a Cummins X12 EPA 17 $850 USD USED CUMMINS X12 EPA 17 ENGINE ECM, 4384413 ConditionUsedHorse Power430 HPFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2359008 MLS Number12634239CategoryEngine Control Modules (ECM) Last Updated2/24/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins X12 Engine Control Module (ECM) for a Cummins X12 EPA 17 $850 USD USED CUMMINS X12 EPA 17 ENGINE ECM, 4384413 ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2355592 MLS Number12622448CategoryEngine Control Modules (ECM) Last Updated2/24/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17 $1,270.10 USD CYLINDER BLOCK ConditionNewFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock NumberCMM 5614434 MLS Number11201253CategoryEngine Blocks / Cylinder Blocks Last Updated1/23/2026 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos 2018 Cummins X12 EGR Cooler for a Cummins X12 EPA 17 $650 USD EGR COOLER ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2597641 MLS Number14092717CategoryEGR Coolers Last Updated1/15/2026 LocationEaston, MD, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins X12 Crankshaft for a Cummins X12 EPA 17 $2,500 USD ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2556261 MLS Number13807173CategoryCrankshafts Last Updated9/11/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins X12 Camshaft for a Cummins X12 EPA 17 $1,200 USD ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2556260 MLS Number13807172CategoryCamshafts Last Updated9/11/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins X12 Engine Oil Cooler for a Cummins X12 EPA 17 $300 USD ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2556256 MLS Number13807170CategoryEngine Oil Coolers Last Updated9/11/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins X12 Engine Wiring Harness for a Cummins X12 EPA 17 $800 USD ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2556253 MLS Number13807168CategoryEngine Wiring Harnesses Last Updated9/11/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 5 Photos View 0 Videos Cummins X12 EGR Cooler for a Cummins X12 EPA 17 $940 USD ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2556244 MLS Number13807165CategoryEGR Coolers Last Updated9/11/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 2 Photos View 0 Videos Cummins X12 Crankshaft for a Cummins X12 EPA 17 $2,500 USD CUMMINS X12 (4814) USED GTO ENGINE CRANKSHAFT, 5581796 / 3695319 ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2374624 MLS Number12714945CategoryCrankshafts Last Updated9/10/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins X12 Crankshaft for a Cummins X12 EPA 17 $2,500 USD CUMMINS X12 (4814) USED GTO ENGINE CRANKSHAFT, 5581796 / 3695319 ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2360474 MLS Number12639425CategoryCrankshafts Last Updated9/10/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins X12 EGR Valve for a Cummins X12 EPA 17 $550 USD USED GTO OEM CUMMINS X12 EGR VALVE, 4336675 ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2509623 MLS Number13800367CategoryEGR Valves Last Updated9/9/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17 $1,481.10 USD CUMMINS OEM X12 CYLINDER BLOCK - OEM BLEM --, 5713285 / 5713287, -- BLEM -- FAILED TORQUE 3X ConditionNewFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2161273 MLS Number11445570CategoryEngine Blocks / Cylinder Blocks Last Updated9/6/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins X12 Crankshaft for a Cummins X12 EPA 17 $2,500 USD CUMMINS OEM X12 CRANKSHAFT -- OEM GTO -- FIELD FAILURE FOR HEAD ISSUES, BOTTOM END IS GOOD. 30K MILES ConditionUsedFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock NumberCMM 3695320-U MLS Number11500223CategoryCrankshafts Last Updated6/3/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17 $1,481.10 USD CUMMINS OEM X12 CYLINDER BLOCK - OEM BLEM --, 5713285, -- BLEM -- GALLING ON MAIN BOLT SURFACES ConditionNewFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2147425 MLS Number11358139CategoryEngine Blocks / Cylinder Blocks Last Updated6/3/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 3 Photos View 0 Videos Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17 $1,481.10 USD CUMMINS OEM X12 CYLINDER BLOCK - OEM BLEM --, 5713285, -- BLEM -- DROPPED MAIN CAPS AT ASSEMBLY ConditionNewFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2147428 MLS Number11358140CategoryEngine Blocks / Cylinder Blocks Last Updated6/3/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17 $1,375.10 USD WASH INSPECT ConditionNewFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2121758 MLS Number11142737CategoryEngine Blocks / Cylinder Blocks Last Updated6/30/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17 $1,375.10 USD BLEM - GALLING ON MAIN CAPS/BOLTS ConditionNewFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2088546 MLS Number10974941CategoryEngine Blocks / Cylinder Blocks Last Updated6/30/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17 $1,375.10 USD BLEM - GALLING ON SOME MAIN BOLTS ConditionNewFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2088557 MLS Number10974949CategoryEngine Blocks / Cylinder Blocks Last Updated6/30/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 4 Photos View 0 Videos Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17 $1,375.10 USD BLEM - MAINS FAIL TORQUE UNTIS BUT THREADS CHECK OUT OKAY ConditionNewFits To Make(s)CUMMINSFits To Model(s)X12 EPA 17Stock Number2088558 MLS Number10974952CategoryEngine Blocks / Cylinder Blocks Last Updated6/30/2025 LocationAthens, GA, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info