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Cummins ISX12 G Engine Parts For Sale

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Truck Parts (134)
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Engine Parts (134)
   Cam Gears (1)    Camshaft Housings (2)    Camshafts (2)    EGR Coolers (1)    EGR Valves (1)    Engine Blocks / Cylinder Blocks (23)    Engine Brackets (4)    Engine Brakes / Jake Brakes (5)    Engine Control Modules (ECM) (7)    Engine Covers (1)    Engine Gears (2)    Engine Harmonic Balancers (4)    Engine Miscellaneous Parts (48)    Engine Mounts (2)    Engine Oil Coolers (3)    Engine Oil Dipsticks (1)    Engine Oil Pans (3)    Engine Oil Pumps (5)    Engine Plumbing (1)    Engine Pulleys (1)    Engine Rods (2)    Engine Valve Trains (1)    Engine Valves & Parts (1)    Engine Wiring Harnesses (2)    Front Engine Covers (3)    Pistons & Rod Parts (1)    Rocker Arms (4)    Rocker Housings (2)    Valve Covers (1)
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   ISX12 G (134)
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Showing 1 - 25 of 134 Engine Part Listings

1 - 25 of 134 listings
1 - 25 of 134 listings
Cummins ISX12 G Engine Control Module (ECM)

Cummins ISX12 G Engine Control Module (ECM)

Newly Listed
$500 USD
Good used, cleaned, tested and inspected Cummins ECM. Part Number: 2897462. 30 day guarantee for swap or refund if not programmable. ECM's need to be programmed for your application
ConditionUsed
Fits To Make(s)CUMMINS
Fits To Model(s)ISX12 G
Stock Number1058496
MLS Number14110914
CategoryEngine Control Modules (ECM)
Last Updated1/27/2026
Location
Fitchburg, MA, US
Sold By
Rydemore Heavy Duty Truck Parts
(888) 519-___  SHOW
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Rydemore Heavy Duty Truck Parts
Used Cummins ISX12 G Exhaust Recirculation Cooler Support

2014 Used Cummins ISX12 G Exhaust Recirculation Cooler Support

Recently Updated
$185 USD
Used ISX12 G Exhaust Recirculation Cooler Support, Type: Engine Bracket, Material: Cast Iron
ConditionUsed
Fits To Make(s)Cummins
Fits To Model(s)ISX12 G
Will Fit Year(s)2014
Part Number2899728
Stock Number502-17073
MLS Number13026312
CategoryEngine Brackets
Last Updated1/24/2026
Location
Dorr, MI, US
Sold By
Frontier Truck Parts
(855) 300-___  SHOW
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Frontier Truck Parts
Cummins ISX12 G Engine Part

Cummins ISX12 G Engine Part

$75 USD
Good used Air inlet pipe from a Cummins ISX12 G engine. The Air inlet pipe has been visually inspected and is in good condition. The Air inlet pipe has minor corrosion. The connector is...
ConditionUsed
Part NumberP-1014274
Stock NumberP-1014274
MLS Number14071601
CategoryEngine Miscellaneous Parts
Last Updated1/6/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Cummins ISX12 G Piston / Rod

Cummins ISX12 G Piston / Rod

$150 USD
Good used Piston and Rod from a Cummins ISX12 G engine. The Piston and Rod has been visually inspected and is in good condition. The Piston and Rod has minor damage, please refer to photos...
ConditionUsed
Part NumberP-1014270
Stock NumberP-1014270
MLS Number14071597
CategoryPistons & Rod Parts
Last Updated1/6/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Cummins ISX12 G Engine Part

Cummins ISX12 G Engine Part

$75 USD
Good used Cover plate from a Cummins ISX12 G engine. The Cover plate has been visually inspected and is in good condition. The cover plate has minor damage, please refer to photos provided....
ConditionUsed
Part NumberP-1014266
Stock NumberP-1014266
MLS Number14071595
CategoryEngine Miscellaneous Parts
Last Updated1/6/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Cummins ISX12 G Engine Part

Cummins ISX12 G Engine Part

$75 USD
Good used Gear cover from a Cummins ISX12 G engine. The Gear cover has been visually inspected and is in good condition. The Gear cover has no visible damage. All bolt holes are clean and...
ConditionUsed
Part NumberP-1014265
Stock NumberP-1014265
MLS Number14071593
CategoryEngine Miscellaneous Parts
Last Updated1/6/2026
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Cummins ISX12 G Engine Part

Cummins ISX12 G Engine Part

$75 USD
Good used Block stiffener from a Cummins ISX12 G engine. The lock stiffener has been visually inspected and is in good condition. The Block stiffener has no visible damage. All bolt holes...
ConditionUsed
Part NumberP-1014267
Stock NumberP-1014267
MLS Number14065667
CategoryEngine Miscellaneous Parts
Last Updated12/31/2025
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Cummins ISX12 G Engine Part

Cummins ISX12 G Engine Part

$275 USD
Good used Crankcase breather from a Cummins ISX12 G engine. The Crankcase breather has been visually inspected and is in good condition. The Crankcase breather has minor damage, please refer...
ConditionUsed
Part NumberP-1014264
Stock NumberP-1014264
MLS Number14065666
CategoryEngine Miscellaneous Parts
Last Updated12/31/2025
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Cummins ISX12 G Engine Part

Cummins ISX12 G Engine Part

$100 USD
Good used Thermostat housing from a Cummins ISX12 G engine. The Thermostat housing has been visually inspected and is in good condition. The housing has corrosion and rust. The housing has...
ConditionUsed
Part NumberP-1014261
Stock NumberP-1014261
MLS Number14065663
CategoryEngine Miscellaneous Parts
Last Updated12/31/2025
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
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River Valley Truck Parts
Cummins ISX12 G Engine Brake

Cummins ISX12 G Engine Brake

$325 USD
Good used Rear engine brake from a Cummins ISX12 G engine. The Rear engine brake has been visually inspected and is in good condition. The Rear engine brake has no visible damage. All bolt...
ConditionUsed
Part NumberP-1014260
Stock NumberP-1014260
MLS Number14065662
CategoryEngine Brakes / Jake Brakes
Last Updated12/31/2025
Location
Kankakee, IL, US
Sold By
River Valley Truck Parts
(844) 604-___  SHOW
NUMBERCall Seller
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River Valley Truck Parts
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