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Used Caterpillar C12 Engine Parts For Sale in United States

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   Cam Followers (8)    Camshafts (7)    Crankshafts (14)    Engine Accessory Drives (1)    Engine Air Compressors (5)    Engine Blocks / Cylinder Blocks (2)    Engine Brackets (31)    Engine Brakes / Jake Brakes (30)    Engine Control Modules (ECM) (59)    Engine Covers (8)    Engine Gears (10)    Engine Harmonic Balancers (9)    Engine Head Bolts (3)    Engine Miscellaneous Parts (191)    Engine Mounts (38)    Engine Oil Coolers (18)    Engine Oil Pans (16)    Engine Oil Pickup Tubes (1)    Engine Oil Pumps (21)    Engine Plumbing (1)    Engine Pulleys (2)    Engine Rods (8)    Engine Seals (1)    Engine Thermostat Housings (4)    Engine Valve Trains (7)    Engine Wiring Harnesses (6)    Front Engine Covers (21)    Pistons & Rod Parts (9)    Rocker Arms (39)    Rocker Housings (2)    Timing Covers (20)    Valve Covers (57)
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1-25 of 658 results
1-25 of 658 results
Caterpillar C12 Engine Control Module (ECM) for a 1999 International F-2574
5 0

Caterpillar C12 Engine Control Module (ECM) for a 1999 International F-2574

Newly Listed
Call for price
(Used) 2001 Caterpillar 3126, ENGINE ECM- Part Number: 157-3705-01, Serial Number: 07490087KA, Family Number: 2CPXH0729ERK, 2 Rectangular Plug with 70 Pins each, For more information about...
ConditionUsed
Fits To Make(s)International
Fits To Model(s)F-2574
Will Fit Year(s)1999
Part Number157-3705-01
Stock NumberP-101533
MLS Number13558360
CategoryEngine Control Modules (ECM)
Last Updated5/4/2025
Location
Elkton, MD, US
Sold By

CRG Heavy Truck Parts

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CRG Heavy Truck Parts
Used Caterpillar C12 Cam Retaining Pin
2 0

Used Caterpillar C12 Cam Retaining Pin

Newly Listed
$26 USD
Used C12 Cam Retaining Pin, Type: Cam Retaining Pin
Quantity2
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Part Number178-3643
Stock Number541-11177
MLS Number13557152
CategoryEngine Head Bolts
Last Updated5/3/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Frontier Truck Parts
Caterpillar C12 Engine Mount for a Kenworth T2000
4 0

1999 Caterpillar C12 Engine Mount for a Kenworth T2000

Newly Listed
$125 USD
(USED) CAT C12 Cast#: 07857-AA Mount: REAR FRAME Ref# 07857-AA
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T2000
Part Number07857-AA
Stock Number25791171
MLS Number13556405
CategoryEngine Mounts
Last Updated5/4/2025
Location
Sioux Falls, SD, US
Sold By

Vander Haag's Inc.

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Vander Haag's Inc.
Caterpillar C12 Engine Mount for a Kenworth T2000
4 0

1999 Caterpillar C12 Engine Mount for a Kenworth T2000

Newly Listed
$125 USD
(USED) CAT C12 Cast#: 07857AA Mount: REAR FRAME Ref# 07857AA
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T2000
Part Number07857AA
Stock Number25791173
MLS Number13556404
CategoryEngine Mounts
Last Updated5/4/2025
Location
Sioux Falls, SD, US
Sold By

Vander Haag's Inc.

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Vander Haag's Inc.
Caterpillar C12 Engine Mount for a Kenworth T2000
5 0

1999 Caterpillar C12 Engine Mount for a Kenworth T2000

Newly Listed
$302 USD
(USED) CAT C12 Cast#: 7214860AA Mount: FRONT SUPPORT Ref# 7214860AA
ConditionUsed
Fits To Make(s)Kenworth
Fits To Model(s)T2000
Part Number7214860AA
Stock Number25791174
MLS Number13556403
CategoryEngine Mounts
Last Updated5/8/2025
Location
Sioux Falls, SD, US
Sold By

Vander Haag's Inc.

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Vander Haag's Inc.
Caterpillar C12 Engine Brake for a Caterpillar C-12
2 0

Caterpillar C12 Engine Brake for a Caterpillar C-12

$175 USD
Used take off Caterpillar C-12 Jake head. Part number: 021078
Quantity32
ConditionUsed
Fits To Make(s)CATERPILLAR
Fits To Model(s)C-12
Part Number021078
Stock NumberRyd 021078
MLS Number10687865
CategoryEngine Brakes / Jake Brakes
Last Updated4/30/2025
Location
Fitchburg, MA, US
Sold By

Rydemore Heavy Duty Truck Parts

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Rydemore Heavy Duty Truck Parts
Used Caterpillar C12 Air Comp Gear
3 0

2010 Used Caterpillar C12 Air Comp Gear

$200 USD
Used C12 Air Comp Gear, Type: Air Compressor Gear
ConditionUsed
Will Fit Year(s)2010
Part Number1280420
Stock Number513-27157
MLS Number13540546
CategoryEngine Gears
Last Updated4/25/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Frontier Truck Parts
Caterpillar C12 Engine Control Module (ECM) for a Freightliner C112 Century
3 0

2001 Caterpillar C12 Engine Control Module (ECM) for a Freightliner C112 Century

$2,325 USD
(USED) CAT C12 Serial #: 2KS45337 CPL/Arr: 169-9212 HP: 430 Ref# 157-3705-02
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)C112 CENTURY
Part Number157-3705-02
Stock Number25704002
MLS Number13281729
CategoryEngine Control Modules (ECM)
Last Updated4/24/2025
Location
Sioux Falls, SD, US
Sold By

Vander Haag's Inc.

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Vander Haag's Inc.
Used Caterpillar C12 Injector/ Engine Brake Harness
2 0

2000 Used Caterpillar C12 Injector/ Engine Brake Harness

$110 USD
Used C12 Injector/ Engine Brake Harness, Type: Front Injector Brake Harness
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)2000
Part Number4P9537
Stock Number514-12624
MLS Number13534093
CategoryEngine Wiring Harnesses
Last Updated4/23/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Used Caterpillar C12 Wiring Harness
2 0

2000 Used Caterpillar C12 Wiring Harness

$220 USD
Used C12 Wiring Harness, Type: Engine Wiring Harness
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)2000
Part Number1660972
Stock Number514-12623
MLS Number13534092
CategoryEngine Wiring Harnesses
Last Updated4/23/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Frontier Truck Parts
Used Caterpillar C12 Camshaft
4 0

1998 Used Caterpillar C12 Camshaft

$850 USD
Used C12 Camshaft
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)1998
Part Number1292887
Stock Number503-13445
MLS Number13524939
CategoryCamshafts
Last Updated4/17/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Frontier Truck Parts
Used Caterpillar C12 Jake Brake Set
15 0

2001 Used Caterpillar C12 Jake Brake Set

$1,000 USD
Used C12 Jake Brake Set
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)2001
Part Number312A
Stock Number517-10654
MLS Number13516164
CategoryEngine Brakes / Jake Brakes
Last Updated4/13/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Used Caterpillar C12 Aux Drive Adapter
4 0

2001 Used Caterpillar C12 Aux Drive Adapter

$150 USD
Used C12 Aux Drive Adapter
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)2001
Part Number1757342
Stock Number577-10467
MLS Number13516157
CategoryEngine Accessory Drives
Last Updated4/13/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Frontier Truck Parts
Used Caterpillar C12 Block Cover
2 0

2000 Used Caterpillar C12 Block Cover

$46 USD
Used C12 Block Cover, Type: Cylinder Block Cover
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)2000
Part Number7C1445
Stock Number507-19259
MLS Number13516152
CategoryEngine Covers
Last Updated4/13/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Used Caterpillar C12 Block Cover
2 0

2000 Used Caterpillar C12 Block Cover

$25 USD
Used C12 Block Cover, Type: Cylinder Block Cover
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)2000
Part Number4P6587
Stock Number507-19258
MLS Number13516146
CategoryEngine Covers
Last Updated4/13/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Frontier Truck Parts
Used Caterpillar C12 Engine Harness
2 0

2000 Used Caterpillar C12 Engine Harness

$200 USD
Used C12 Engine Harness, Type: Engine Wiring Harness
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)2000
Part Number1899195
Stock Number514-12869
MLS Number13516145
CategoryEngine Wiring Harnesses
Last Updated4/13/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Frontier Truck Parts
Used Caterpillar C12 Lifting Eye
2 0

2000 Used Caterpillar C12 Lifting Eye

$40 USD
Used C12 Lifting Eye, Type: Front Lifting Bracket, Material: Steel
Quantity2
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)2000
Part Number1139005
Stock Number502-18385
MLS Number13516144
CategoryEngine Brackets
Last Updated4/13/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Frontier Truck Parts
Used Caterpillar C12 Jake Brake Set
15 0

2000 Used Caterpillar C12 Jake Brake Set

$1,000 USD
Used C12 Jake Brake Set
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)2000
Part Number312A
Stock Number517-10653
MLS Number13516139
CategoryEngine Brakes / Jake Brakes
Last Updated4/13/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Used Caterpillar C12 Fan Hub Tensioner Plate
6 0

2000 Used Caterpillar C12 Fan Hub Tensioner Plate

$70 USD
Used C12 Fan Hub Tensioner Plate, Type: Engine Bracket, Material: Steel
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)2000
Part Number0126156000
Stock Number502-18384
MLS Number13516138
CategoryEngine Brackets
Last Updated4/13/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Frontier Truck Parts
Used Caterpillar C12 Sensor Plate
2 0

2000 Used Caterpillar C12 Sensor Plate

$400 USD
Used C12 Sensor Plate, Type: Camshaft Thrust Plate
ConditionUsed
Fits To Make(s)Caterpillar
Fits To Model(s)C12
Will Fit Year(s)2000
Part Number1337101
Stock Number513-27131
MLS Number13516135
CategoryEngine Gears
Last Updated4/13/2025
Location
Dorr, MI, US
Sold By

Frontier Truck Parts

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Caterpillar C12 Engine Control Module (ECM) for a Freightliner Columbia 120
4 0

2003 Caterpillar C12 Engine Control Module (ECM) for a Freightliner Columbia 120

$2,130 USD
(USED) CAT C12 Serial #: 2KS85266 CPL/Arr: 136-4311 HP: 410 Ref# 179-1747 TESTED GOOD. GROUND SCREW HAS BEEN SHEARED OFF
ConditionUsed
Fits To Make(s)Freightliner
Fits To Model(s)COLUMBIA 120
Part Number179-1747
Stock Number25546172
MLS Number12457578
CategoryEngine Control Modules (ECM)
Last Updated4/13/2025
Location
Spencer, IA, US
Sold By

Vander Haag's Inc.

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Vander Haag's Inc.
Caterpillar C12 Right Engine Mount for a CAT C12
3 0

2001 Caterpillar C12 Right Engine Mount for a CAT C12

$225.24 USD
ConditionUsed
Fits To Make(s)CAT
Fits To Model(s)C12
SideRight
Stock Number2428803
MLS Number12988404
CategoryEngine Mounts
Last Updated4/11/2025
Location
Easton, MD, US
Sold By

LKQ Heavy Truck

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LKQ Heavy Truck
Caterpillar C12 Left Engine Mount for a CAT C12
3 0

2001 Caterpillar C12 Left Engine Mount for a CAT C12

$225.24 USD
P/N: F6HT6096EA
ConditionUsed
Fits To Make(s)CAT
Fits To Model(s)C12
SideLeft
Stock Number2428801
MLS Number12988403
CategoryEngine Mounts
Last Updated4/11/2025
Location
Easton, MD, US
Sold By

LKQ Heavy Truck

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LKQ Heavy Truck
Caterpillar C12 Camshaft for a Caterpillar C-12
2 0

Caterpillar C12 Camshaft for a Caterpillar C-12

$250 USD
Good used, cleaned and inspected Caterpillar C-12 camshaft. Part number: 222-3994.
ConditionUsed
Fits To Make(s)CATERPILLAR
Fits To Model(s)C-12
Part Number222-3994
Stock NumberRyd 222-3994
MLS Number13499556
CategoryCamshafts
Last Updated4/4/2025
Location
Fitchburg, MA, US
Sold By

Rydemore Heavy Duty Truck Parts

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Rydemore Heavy Duty Truck Parts
Caterpillar C12 Rocker Arm
1 0

Caterpillar C12 Rocker Arm

$75 USD
Used take off Caterpillar C-12 Rocker Arm. Part number: 115-9406
Quantity22
ConditionUsed
Fits To Make(s)CATERPILLAR
Part Number115-9406
Stock NumberRyd 115-9406
MLS Number10687868
CategoryRocker Arms
Last Updated4/3/2025
Location
Fitchburg, MA, US
Sold By

Rydemore Heavy Duty Truck Parts

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Rydemore Heavy Duty Truck Parts
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