2003 Freightliner Argosy C12 12.0 Caterpillar Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Caterpillar C12 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2003 Freightliner Argosy? US Engine Production offers premium remanufactured Caterpillar C12 long block engines that meet or exceed OEM specifications. Our remanufactured long blocks are completely disassembled, cleaned, inspected, and rebuilt using new components where necessary.
Every remanufactured diesel long block undergoes rigorous dynamometer testing to ensure optimal performance. With over 40 years of experience and a database of 473,000+ engines, we're America's trusted source for remanufactured long block engines.
Common Caterpillar C12 Problems We Address
Our remanufacturing process specifically addresses these known issues with Caterpillar C12 engines:
- Injector o-ring failures causing fuel leaks
- HEUI pump failures affecting fuel delivery
- Turbocharger wastegate issues
- Cylinder liner pitting from coolant contamination
- Oil cooler failures
- ECM sensor failures
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
Freightliner Vehicle Compatibility
Caterpillar C12 engines are commonly found in these Freightliner vehicles:
- Cascadia highway trucks
- Coronado classic trucks
- M2 106/112 medium-duty trucks
- 114SD severe-duty trucks
- Business Class trucks
- Sprinter vans
What's Included With Your Remanufactured Long Block
Complete long block assembly with all new/remanufactured components
Core Components
- Remanufactured Engine Block
Cleaned, inspected, and machined to OEM specifications
- New Pistons & Rings
Premium quality pistons with new ring sets
- Reground Crankshaft
Precision ground to factory tolerances
- New Main Bearings
OEM-spec main bearings for proper clearance
- New Rod Bearings
Connecting rod bearings replaced
- New Camshaft
New or reground camshaft (where applicable)
Timing Components
- New Timing Chain/Belt
Complete timing set included
- New Timing Gears/Sprockets
All timing components replaced
- New Tensioners & Guides
Timing tensioners and guides included
Valvetrain
- New Lifters/Tappets
Hydraulic or solid lifters replaced
- Reconditioned Cylinder Head(s)
Heads resurfaced and pressure tested
- New Valve Seals
All valve stem seals replaced
Seals & Lubrication
- New Oil Pump
Oil pump replaced for proper lubrication
- New Gasket Set
Complete gasket set included
- New Front & Rear Seals
All main seals replaced
- New Freeze Plugs
Core plugs replaced
Frequently Asked Questions: 2003 Freightliner Argosy Caterpillar C12 Remanufactured Engine
A remanufactured Caterpillar C12 12.0L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2003 Freightliner Argosy. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Caterpillar C12 remanufactured long block for your 2003 Freightliner Argosy, call our engine specialists at (631) 991-7700 or request a quote online. We offer competitive pricing and fast delivery.
What Our Customers Say
Trusted by thousands of customers nationwide
"Needed an engine fast for my work truck. They had it in stock and shipped same day. Engine is running perfectly. Highly recommend!"
"Excellent quality engine at a great price. The team was very helpful in finding the right engine for my truck. Shipped fast and arrived in perfect condition."
"I've bought several engines from US Engine Production over the years. Always top quality and their customer service is the best in the business."
Warranty & Quality Assurance
Core Return Required: A refundable core deposit is required. We provide a prepaid shipping label for your old engine core return.
Call us for the best price on this Caterpillar C12 remanufactured long block. Prices may vary based on configuration.
Email: [email protected]
Why US Engine Production?
- 40+ years of experience
- 473,000+ engines in database
- Nationwide shipping
- Expert technical support
- Quality guaranteed
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Other model years available for the Freightliner Argosy
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2007 Freightliner Argosy
Detroit Diesel Series 60 14.0L
2001 Freightliner Argosy
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2007 Freightliner Argosy
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2003 Freightliner Argosy
Vehicles with Caterpillar C12 Engine
This same engine is also available for these vehicles
2000 Freightliner FLD120
C12 12.0L DIESEL
1997 International 2574
C12 12.0L DIESEL
2001 Freightliner Century Class
C12 12.0L DIESEL
1999 Peterbilt 357
C12 12.0L DIESEL
2005 International 8600 SBA
C12 12.0L DIESEL
2004 Pierce Mfg. Inc. Dash
C12 12.0L DIESEL
2001 Peterbilt 357
C12 12.0L DIESEL
1999 Kenworth W900
C12 12.0L DIESEL
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Browse other Freightliner models with remanufactured engines
1995 Freightliner FLD112
Caterpillar 3306 10.5L
2010 Freightliner M2 112
Cummins ISL-G 8.9L
1998 Freightliner FLD112
Caterpillar C10 10.3L
2014 Freightliner S2G
General Motors 6.0L
2010 Freightliner M2 106
Cummins ISC-280 8.3L
2006 Freightliner Argosy
Caterpillar C15 14.6L
2014 Freightliner Sprinter 2500
Daimler OM651 2.1L
1982 Freightliner FLT086
Caterpillar 3406 14.6L
More Caterpillar Engines
Explore other Caterpillar engine models we carry
1993 Kenworth T800
Caterpillar 3306 10.5L DIESEL
1994 Peterbilt 320
Caterpillar 3306 10.5L DIESEL
2001 Freightliner FC80
Caterpillar 3126 7.2L DIESEL
2000 Sterling Truck AT9513
Caterpillar C12 12.0L DIESEL
1994 Chevrolet C70 Kodiak
Caterpillar 3116 6.6L DIESEL
2001 Freightliner Century Class
Caterpillar C10 10.3L DIESEL
2004 Sterling Truck LT7500
Caterpillar 3126 7.2L DIESEL
1984 GMC C7000
Caterpillar 3208 10.4L DIESEL
Similar 12.0L DIESEL Engines
Other diesel engines with similar specifications
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Buy Caterpillar C12 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Caterpillar long block engines. Our C12 remanufactured long blocks for Freightliner vehicles include all new internal components including pistons, rings, bearings, timing components, and gaskets. Every long block is dyno tested and backed by our 1-year, unlimited mileage warranty. Whether you need a replacement long block engine for your 2003 Freightliner Argosyor any other application, our team of experts is ready to help. Call us at (631) 991-7700 or email [email protected] for a free quote today.
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WARNING: Crude oil, gasoline, diesel fuel and other petroleum products can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov
