Used Caterpillar C12 Engine Parts For Sale by Dealerships

(833) 637-___ SHOW
NUMBERCall Seller

Caterpillar C12 Valve Cover

$450 USD

OEM CAT C12 ROCKER HOUSING/Valve Cover Riser- AND injector wire harness - 450, Serial#: na

Condition	Used
Stock Number	3809689
MLS Number	12756043
Category	Valve Covers
Last Updated	4/5/2024
Location	Winger, MN, US
Sold By	Lucken Trucks and Parts

Caterpillar C12 Diesel Engine Rocker Arm 115-9406, 115-9398, 115-9399, 115-9401

$69.99 USD

(GOOD USED) OEM Caterpillar C12 Diesel Engine Rocker Arm, for sale!!!! (EACH SET IS SOLD INDIVIDUALLY!!!!!) P/N's: 115-9406, 115-9398, 115-9399, 115-9401; Stock #: R1070 For more information...

Quantity	3
Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Part Number	115-9406
Stock Number	R1070
MLS Number	12497758
Category	Rocker Arms
Last Updated	4/1/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Caterpillar C12 Engine Oil Pump

$190 USD

Nous livrons partout au Canada et États-Unis. We ship anywhere in Canada USA. -Stock: 3794OP - Pompe A L'Huile / Oil Pumps - P/N: 9Y3794, Serial#: Other

Condition	Used
Stock Number	3794OP
MLS Number	12741458
Category	Engine Oil Pumps
Last Updated	10/23/2025
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert

(844) 402-___ SHOW
NUMBERCall Seller

Caterpillar C12 Engine Control Module (ECM) for a 2002 Oshkosh S-SERIES

Contact for price

(Used) 2002 Caterpillar C13, ENGINE ECM- ESN: 2KS76567, Side: On Engine, For more information about this item, give us a call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY,...

Condition	Used
Fits To Make(s)	Oshkosh
Fits To Model(s)	S-SERIES
Will Fit Year(s)	2002
Stock Number	P-76235
MLS Number	12735167
Category	Engine Control Modules (ECM)
Last Updated	3/27/2024
Location	Elkton, MD, US
Sold By	CRG Heavy Truck Parts

Caterpillar C12 Cam Follower

$400 USD

(GOOD USED) OEM Caterpillar C12 Diesel Engine Cam Follower, for sale!!!! Part #'s: 148-2064, 148-2065; Stock #: C1101 (EACH CAM FOLLOWER IS SOLD INDIVIDUALLY!!!!) For more information about...

Condition	Used
Part Number	148-2064
Stock Number	C1101
MLS Number	12732472
Category	Cam Followers
Last Updated	3/26/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

Caterpillar C12 Engine Brake for C12

$450 USD

(GOOD USED) OEM Caterpillar C12 312A Diesel Engine Jake Brake, for sale!!!! Model: 312A; Part #:021078; Stock #: JB1011 (EACH JAKE BRAKE IS SOLD SEPARATELY) For more information about this...

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Part Number	021078
Stock Number	JB1011
MLS Number	12496208
Category	Engine Brakes / Jake Brakes
Last Updated	3/22/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

2000 Used Caterpillar C12 Idler Gear

$49.99 USD

Used C12 Idler Gear, Type: Idler Gear

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	2000
Part Number	9Y3512
Stock Number	513-26694
MLS Number	12724934
Category	Engine Gears
Last Updated	3/5/2025
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(833) 396-___ SHOW
NUMBERCall Seller

Caterpillar C12 Engine Control Module (ECM)

$1,250 USD

Condition	Used
Horse Power	350 HP
Stock Number	7169
MLS Number	10581624
Category	Engine Control Modules (ECM)
Last Updated	3/19/2024
Location	Scranton, PA, US
Sold By	Boots and Hank's Truck Parts, Inc.

(855) 465-___ SHOW
NUMBERCall Seller

Caterpillar C12 Rocker Arm for a Cat

$60 USD

Cat Box of 3 Remanufactured Rocker Arm Assembly 10R-1797 - OEM Wheel-Type- Loader 972G II 966G II Earth Moving Compactor 815F 816F Load, Haul, Dump R1600 R1600G R1700G Wheel Dozer 814F...

Condition	Used
Fits To Make(s)	Cat
Part Number	10R1707
Stock Number	145821
MLS Number	9721801
Category	Rocker Arms
Last Updated	12/26/2025
Location	Louisville, KY, US
Sold By	River City Truck Parts

Used Caterpillar C12 Outer Front Cover

$49.99 USD

Used C12 Outer Front Cover, Type: Outer Front Cover

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Part Number	1694172
Stock Number	507-18409
MLS Number	12707003
Category	Engine Covers
Last Updated	3/16/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Caterpillar C12 Thermostat Housing

$162 USD

Used C12 Thermostat Housing

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Part Number	1292886
Stock Number	523-11699
MLS Number	12686240
Category	Engine Thermostat Housings
Last Updated	3/9/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2000 Used Caterpillar C12 Front Cover

$49.99 USD

Used C12 Front Cover, Type: Outer Front Cover

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	2000
Part Number	1694172
Stock Number	507-18932
MLS Number	12684985
Category	Engine Covers
Last Updated	3/8/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2004 Used Caterpillar C12 Outer Front Cover

$49.99 USD

Used C12 Outer Front Cover, Type: Outer Front Cover

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	2004
Part Number	1694172
Stock Number	507-18412
MLS Number	12684575
Category	Engine Covers
Last Updated	3/8/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Caterpillar C12 Water Elbow

$59 USD

Used C12 Water Elbow, Type: Oil Cooler Elbow

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Part Number	1220763
Stock Number	506-12868
MLS Number	12684572
Category	Engine Oil Coolers
Last Updated	3/8/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2000 Used Caterpillar C12 Front Engine Mount

$165 USD

Used C12 Front Engine Mount, Position: Front, Type: Engine Mount, Material: Cast Iron

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	2000
Part Number	1300903
Stock Number	548-13128
MLS Number	12682798
Category	Engine Mounts
Last Updated	3/7/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

2001 Caterpillar C12 Diesel Engine Control Module ECM ECU 1905959,248-2377,10R-3571

$2,000 USD

(GOOD USED/TESTED) OEM 2001 Caterpillar C12 Diesel Engine Control Module, ECM, ECU, for sale!!!!!! Part #: 179-1747-01; Supersession Part #'s: 190-5959, 206-2701, 348-2377, 10R-3571,...

Condition	Used
Fits To Make(s)	Caterpillar
Part Number	179-1747-01
Stock Number	E3672
MLS Number	12661597
Category	Engine Control Modules (ECM)
Last Updated	2/28/2024
Location	Hialeah, FL, US
Sold By	JJ Rebuilders Inc.

2004 Used Caterpillar C12 Tensioner Mount

$49 USD

Used C12 Tensioner Mount, Type: Belt Tensioner Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Will Fit Year(s)	2004
Part Number	2078094
Stock Number	502-16871
MLS Number	12660827
Category	Engine Brackets
Last Updated	2/27/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Caterpillar C12 Front Cover Support

$65 USD

Used C12 Front Cover Support, Type: Front Cover Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Part Number	1337042
Stock Number	502-16866
MLS Number	12660818
Category	Engine Brackets
Last Updated	2/27/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Caterpillar C12 Front Cover Support

$81 USD

Used C12 Front Cover Support, Type: Front Cover Bracket, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Part Number	1694180
Stock Number	502-16865
MLS Number	12660816
Category	Engine Brackets
Last Updated	2/27/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

Used Caterpillar C12 Engine Mount

$185 USD

Used C12 Engine Mount, Position: Front, Type: Engine Mount, Material: Steel

Condition	Used
Fits To Make(s)	Caterpillar
Fits To Model(s)	C12
Part Number	1757321
Stock Number	548-12746
MLS Number	12660815
Category	Engine Mounts
Last Updated	2/27/2024
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

(833) 541-___ SHOW
NUMBERCall Seller

Caterpillar C12 Engine Part

$150 USD

USED CAT AIR INLET ELBOW PART # 109-4203 FITS CAT C10, C12, C15, C16, C18, 3406E, Serial#: NA

Condition	Used
Part Number	109-4203
Stock Number	P-60629
MLS Number	12656524
Category	Engine Miscellaneous Parts
Last Updated	2/25/2024
Location	Ucon, ID, US
Sold By	Holst Truck Parts

Caterpillar C12 Front Engine Cover

$190 USD

Nous livrons partout au Canada et aux États-Unis. We ship anywhere in Canada USA. – Stock: 4172FC – Caterpillar C12 Front Gear Cover - P/N:1694172, Serial#: Other

Condition	Used
Stock Number	4172FC
MLS Number	12627820
Category	Front Engine Covers
Last Updated	2/11/2024
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert

Caterpillar C12 Engine Block / Cylinder Block

$1,485 USD

Nous livrons partout au Canada et États-Unis. We ship anywhere in Canada USA. – Stock : 2052BM - Caterpillar C12 – P/N :200-2052, Serial#: Other

Condition	Used
Stock Number	2052BM
MLS Number	12627819
Category	Engine Blocks / Cylinder Blocks
Last Updated	2/11/2024
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert

Caterpillar C12 Engine Part

$270 USD

Nous livrons partout au Canada et aux États-Unis. We ship anywhere in Canada USA. – Stock: 1328OF - Bases Filtreur Huile / Oil Filter Bases pour Caterpillar C12 – P/N : 166-1328, Serial#...

Condition	Used
Part Number	166-1328
Stock Number	1328OF
MLS Number	12560518
Category	Engine Miscellaneous Parts
Last Updated	1/13/2024
Location	Beauceville, QC, Canada
Sold By	Camions Gilbert