Cummins X12 Engine & Powertrain For Sale

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26 - 50 of 69 listings

2019 Used Cummins X12 Fan Support Bracket

$80 USD

Used X12 Fan Support Bracket, Type: Fan Drive Bracket, Material: Aluminum

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3693637
Stock Number	502-18665
MLS Number	14227967
Category	Engine Brackets
Last Updated	3/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Cummins X12 Intake Manifold

$325 USD

Used X12 Intake Manifold, Type: Intake Manifold

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	5558030
Stock Number	519-13359
MLS Number	14227966
Category	Intake Manifolds
Last Updated	3/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Cummins X12 Support Bracket

$250 USD

Used X12 Support Bracket, Type: Engine Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3694677
Stock Number	502-18667
MLS Number	14227965
Category	Engine Brackets
Last Updated	3/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Cummins X12 EGR Valve Support

$650 USD

Used X12 EGR Valve Support, Type: EGR Valve Bracket, Material: Aluminum

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3691966
Stock Number	502-18668
MLS Number	14227964
Category	Engine Brackets
Last Updated	3/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Cummins X12 Crank Pulley

$150 USD

Used X12 Crank Pulley, Type: Crank Pulley, Diameter: 7 3/4" 10 1/8"

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3693213
Stock Number	521-12528
MLS Number	14227963
Category	Engine Pulleys
Last Updated	3/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Cummins X12 Fuel Manifold

$150 USD

Used X12 Fuel Manifold, Type: Fuel Manifold

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	5557824
Stock Number	547-10776
MLS Number	14227962
Category	Manifolds
Last Updated	3/7/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Cummins X12 A/C Compressor Bracket

$40 USD

Used X12 A/C Compressor Bracket, Type: A/C Compressor Bracket, Material: Cast Iron

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3694205
Stock Number	502-18666
MLS Number	14221830
Category	Engine Brackets
Last Updated	3/4/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Cummins X12 Alternator Bracket

$50 USD

Used X12 Alternator Bracket, Type: Alternator Bracket, Material: Aluminum

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3693476
Stock Number	502-18669
MLS Number	14221829
Category	Engine Brackets
Last Updated	3/4/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Cummins X12 Idler Gear

$150 USD

Used X12 Idler Gear, Type: Idler Gear

Condition	Used
Fits To Make(s)	Cummins
Fits To Model(s)	X12
Will Fit Year(s)	2019
Part Number	3694722
Stock Number	513-27340
MLS Number	14168097
Category	Engine Gears
Last Updated	2/28/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Cummins X12 Engine Control Module (ECM) for a Cummins X12 EPA 17

$850 USD

USED CUMMINS X12 EPA 17 ENGINE ECM, 4384413

Condition	Used
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2355592
MLS Number	12622448
Category	Engine Control Modules (ECM)
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Crankshaft for a Cummins X12 EPA 17

$2,500 USD

Condition	Used
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2556261
MLS Number	13807173
Category	Crankshafts
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Camshaft for a Cummins X12 EPA 17

$1,200 USD

Condition	Used
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2556260
MLS Number	13807172
Category	Camshafts
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Engine Oil Cooler for a Cummins X12 EPA 17

$300 USD

Condition	Used
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2556256
MLS Number	13807170
Category	Engine Oil Coolers
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Engine Wiring Harness for a Cummins X12 EPA 17

$800 USD

Condition	Used
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2556253
MLS Number	13807168
Category	Engine Wiring Harnesses
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Crankshaft for a Cummins X12 EPA 17

$2,500 USD

CUMMINS X12 (4814) USED GTO ENGINE CRANKSHAFT, 5581796 / 3695319

Condition	Used
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2374624
MLS Number	12714945
Category	Crankshafts
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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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

Condition	New
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2147425
MLS Number	11358139
Category	Engine Blocks / Cylinder Blocks
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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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

Condition	New
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2147428
MLS Number	11358140
Category	Engine Blocks / Cylinder Blocks
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17

$1,375.10 USD

BLEM - GALLING ON MAIN CAPS/BOLTS

Condition	New
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2088546
MLS Number	10974941
Category	Engine Blocks / Cylinder Blocks
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17

$1,375.10 USD

BLEM - GALLING ON SOME MAIN BOLTS

Condition	New
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2088557
MLS Number	10974949
Category	Engine Blocks / Cylinder Blocks
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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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

Condition	New
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2088558
MLS Number	10974952
Category	Engine Blocks / Cylinder Blocks
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17

$1,375.10 USD

BLEM - GALLING ON MAIN CAPS

Condition	New
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2090169
MLS Number	10974993
Category	Engine Blocks / Cylinder Blocks
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17

$1,375.10 USD

BLEM - GALLING ON MAIN CAPS

Condition	New
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2090170
MLS Number	10974996
Category	Engine Blocks / Cylinder Blocks
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17

$1,375.10 USD

BLEM - GALLING ON MAIN CAP BOLT SURFACE

Condition	New
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2104847
MLS Number	11048716
Category	Engine Blocks / Cylinder Blocks
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17

$1,375.10 USD

BLEM - GALLING ON MAIN CAP BOLT SURFACE

Condition	New
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2104848
MLS Number	11048717
Category	Engine Blocks / Cylinder Blocks
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck

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Cummins X12 Engine Block / Cylinder Block for a Cummins X12 EPA 17

$1,375.10 USD

BLEM - GALLING ON MAIN CAP BOLT SURFACE

Condition	New
Fits To Make(s)	CUMMINS
Fits To Model(s)	X12 EPA 17
Stock Number	2104849
MLS Number	11048718
Category	Engine Blocks / Cylinder Blocks
Last Updated	4/29/2026
Location	Athens, GA, US
Sold By	LKQ Heavy Truck