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Condition: Used
Stock Number: 1294
Serial Number: 2KS17894
Description: (GOOD USED) 1999 Caterpillar C12 Diesel Engine 2KS, (70-PIN ECM CONNECTOR PLUGS) 355HP @ 1800RPM, AR # 173-6432, Freightliner Truck, MAX HP RATING ...
Updated: Wednesday, February 25, 2026 08:45 am
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 9974
Serial Number: 9NS17031
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1998 Caterpillar C12 Diesel Engine For Sale with Jake Brakes, AR# 164-8536, 40-PIN, Freightliner, 425...
Updated: Wednesday, February 25, 2026 08:45 am
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 7436
Serial Number: 9NS07596
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1998 Caterpillar C12 Diesel Engine For Sale, 370HP, AR# 152-3298, 70-PIN, CORE AR# 148-2020, 11.9L, 6...
Updated: Wednesday, February 25, 2026 08:45 am
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Serial Number: 9NS13435
Description: C12 1998
RAN AND TESTED
Updated: Wednesday, February 18, 2026 03:32 pm
Location: Hazleton, Pennsylvania, USA
Seller: U.S. Trucks & Parts, Inc.
Condition: Used
Stock Number: 27891
Serial Number: 1FUYSWEB8WL884943
Description: ENGINE RUNS WELL AND HOLDS GOOD OIL PRESSURE/ 30 DAY WARRANTY ON ALL MAJOR CASTING PARTS, HIGH MILEAGE BUT RUNS GREAT, 1,355,686 MILES 40 PIN CO...
Updated: Thursday, January 15, 2026 07:28 am
Location: Douglas, Georgia, USA
Seller: AMERICAN TRUCK PARTS INC
Condition: Used
Stock Number: 32424-6
Serial Number: 1FTYY96M9WVA24951
Description: COMPLETE CORE ENGINE ASSEMBLY/WATER IN OIL/ 40 PIN ECM
Updated: Tuesday, January 13, 2026 10:58 am
Location: Ucon, Idaho, USA
Seller: Holst Truck Parts
Condition: Used
Stock Number: S3038EN
Serial Number: 9NS05509
Description: 1998 CAT C12 Complete Engine for sale in SCRANTON, PA
USED COMPLETE ENGINES / USED CAT COMPLETE ENGINES / USED CAT C12 COMPLETE ENGINES / 1998 CAT...
Updated: Tuesday, February 17, 2026 07:27 am
Location: Scranton, Pennsylvania, USA
Seller: Boots & Hanks Truck Parts of Scranton
Condition: Used
Stock Number: 6362-1109236
Serial Number: 6362-1109236
Description: USED 1.998 CATERPILLAR C12 ENGINE, 410HP, 40 PINS ECM COMPUTER, JAKE BRAKE, S/N:9NS15714, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ...
Updated: Tuesday, January 06, 2026 09:22 am
Location: Miami, Florida, USA
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 4781-0627225
Serial Number: 4781-0627225
Description: USED CATERPILLAR C12 ENGINE WITH 40 PINS ECM COMPUTER, JAKE BRAKE, 430HP, 1.998 TRUCK, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE, ALSO MANY ENG...
Updated: Tuesday, January 06, 2026 09:22 am
Location: Miami, Florida, USA
Seller: 4 Trucks Enterprises LLC
Condition: Used
Stock Number: 6106
Serial Number: 1YN08673
Description: Call for price
Part TypeEngines & Engine Parts / Engine Assys
Engine Make Caterpillar
Engine Model C12
Horse Power 300
Casting/Serial# 1YN0867...
Updated: Thursday, March 05, 2026 06:30 am
Location: Port Perry, Ontario, Canada
Seller: Langilles Truck Parts
Condition: Used
Stock Number: 6106
Serial Number: 1YN08673
Description: Part TypeEngines & Engine Parts / Engine Assys
Engine Make Caterpillar
Engine Model C12
Horse Power 300
Casting/Serial# 1YN08673
Mileage 1mill...
Updated: Thursday, March 05, 2026 06:30 am
Location: Port Perry, Ontario, Canada
Seller: Langilles Truck Parts
Condition: Used
Stock Number: 42420-10
Serial Number: GET
Description: ENGINE FOR PARTS OK . HEAD OR HEAD GASKET PROBLEMS, BEEN PARTED OUT. NOT COMPLETE
Mileage: GET
Updated: Tuesday, January 13, 2026 10:58 am
Location: Ucon, Idaho, USA
Seller: Holst Truck Parts
Condition: Used
Stock Number: 915-10191915 - SN:9N
Serial Number: 915-10191915 - SN:9NS13391
Description: USED C12 CATERPILLAR ENGINE WITH 410HP, 40 PINS ECM COMPUTER, COMPLETE, INSPECTED AND TESTED RUNNING ENGINE,ALSO MANY ENGINES IN STOCK. - FOR PRICE...
Updated: Tuesday, January 06, 2026 09:22 am
Location: Miami, Florida, USA
Seller: 4 Trucks Enterprises LLC
Condition: Core
Stock Number: A42568-1
Description: Parting Engine
Updated: Tuesday, January 27, 2026 09:39 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Core
Stock Number: A42553-1
Description: Has jake brakes CORE MOTOR
Updated: Tuesday, January 27, 2026 09:39 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Core
Stock Number: A42575-1
Description: Jake Brakes CORE ENGINE
Updated: Tuesday, January 27, 2026 09:39 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 903345-1
Description: Oil in Coolant.
Updated: Tuesday, January 27, 2026 09:39 am
Location: Ogden, Utah, USA
Seller: ROCKY MOUNTAIN TRUCK PARTS
Condition: Used
Stock Number: 1323
Serial Number: 9NS03660
Description: (USED) 1998 Caterpillar C12 Diesel Engine with Jake Brakes, 40-PIN ECM CONNECTORS, Ar # 152-3229, 410HP @ 1800 RPM, 11.9L, Engine Serial # 9NS036...
Updated: Wednesday, February 25, 2026 08:45 am
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Used
Stock Number: 8196
Serial Number: 1YN04155
Description: (GOOD USED & TEST RUN & INTERNALLY INSPECTED) 1996 Caterpillar C12 Diesel Engine For Sale with Jake Brakes, 430HP @ 1800RP, 40-PIN, AR# 139-9709, F...
Updated: Wednesday, February 25, 2026 08:45 am
Location: Opa-Locka, Florida, USA
Seller: CA Truck Parts, Inc
Condition: Rebuilt
Stock Number: 2KS93477
Serial Number: 2KS93477
Description: FOR SALE: CAT C12 S/N: 2KS93477 430HP, PACCAR ARR, REAR SUMP OIL PAN, INSTALLED NEW LOWER END REBUILD KIT (CAT GOLD KIT) AND NEW CYLINDER HEAD. DYN...
Updated: Monday, February 16, 2026 01:38 pm
Location: Harrisburg, Pennsylvania, USA
Seller: CLEVELAND BROTHERS RIG360 TRUCK CENTERS
Condition: Rebuilt
Stock Number: 30732
Description: Premium Remanufactured Complete Engine Exchange With One Year 2000 Hours Parts Warranty Plus $4,500.00 Refundable Core Deposit. This Engine Is An R...
Updated: Wednesday, February 18, 2026 08:23 am
Location: Chicago, Illinois, USA
Seller: Diesel Sales
Condition: Rebuilt
Stock Number: MOTOR
Description: REMAN CAT CATERPILLAR C12 C-12 MOTOR
$22,500 PLUS CORE.
2 YEAR WARRANTY ON REMANUFACTURED ENGINES. REBUILT TO LIKE NEW, MANUFACTURER SPECS.
...
Updated: Tuesday, March 10, 2026 09:01 am
Location: Rensselaer, Indiana, USA
Seller: Diesel Truck Parts
Condition: Rebuilt
Stock Number: 11127
Serial Number: 2KS09193
Description: REBUILT CAT C12 ENGINE ASSEMBLY 425HP AR175-1916 ESN#2KS09193
$21,000 WITH EXCHANGE
$3,500 CORE CHARGE
Updated: Friday, February 20, 2026 10:02 am
Location: Houston, Texas, USA
Seller: TTM Diesel LLC
Condition: Used
Stock Number: 1012LB
Description: ALL C-12 BASIC LONG BLOCK REMANUFACTURED ENGINES OFFERED EXCHANGE WITH ONE YEAR OR 2,000 HRS WHICHEVER OCCURS FIRST, FACTORY PARTS & LABOR WARRANT...
Updated: Wednesday, February 18, 2026 08:23 am
Location: Chicago, Illinois, USA
Seller: Diesel Sales
Condition: Rebuilt
Stock Number: 7157
Description: All C12 Basic Long Block Remanufactured Engines Offered Exchange With One Year Or 2,000 Hrs Whichever Occurs First, Factory Parts & Labor Warranty...
Updated: Wednesday, February 18, 2026 08:23 am
Location: Chicago, Illinois, USA
Seller: Diesel Sales
Condition: Used
Stock Number: 7232
Description: Truck Application Starting At $13995.00 / See Sample Pictures Attached. Exchange With 100 Day Warranty Plus $1,000.00 Refundable Core Deposit.
2ks
Updated: Wednesday, February 18, 2026 08:23 am
Location: Chicago, Illinois, USA
Seller: Diesel Sales
Condition: Used
Description: RECONDITIONED CAT C12
BEARING AND SEALED
BRAND NEW CYLINDER HEAD
$14,000
$2,500 CORE
Updated: Friday, February 20, 2026 10:02 am
Location: Houston, Texas, USA
Seller: TTM Diesel LLC
Condition: Used
Serial Number: 2KS
Description: USED C12 ENGINE ASSEMBLY. 2KS. We ship nationwide and have a large selection of inventory to get you back on the road. All of our engines come with...
Updated: Tuesday, February 17, 2026 07:33 am
Location: Taylor, Pennsylvania, USA
Seller: Nationwide Heavy Truck Parts