2003 Freightliner FLD120 C16 15.8 Caterpillar Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Caterpillar C16 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2003 Freightliner FLD120? US Engine Production offers premium remanufactured Caterpillar C16 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 C16 Problems We Address
Our remanufacturing process specifically addresses these known issues with Caterpillar C16 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 C16 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 FLD120 Caterpillar C16 Remanufactured Engine
A remanufactured Caterpillar C16 15.8L 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 FLD120. 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 C16 remanufactured long block for your 2003 Freightliner FLD120, 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
"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."
"Was worried about buying a remanufactured engine but these guys made it easy. Engine runs like new and the warranty gives me peace of mind."
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 C16 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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More Freightliner FLD120 Engines
Other model years available for the Freightliner FLD120
2001 Freightliner FLD120
Cummins N14 14.0L
1992 Freightliner FLD120
Caterpillar 3406 14.6L
2007 Freightliner FLD120
Detroit Diesel Series 60 14.0L
1991 Freightliner FLD120
Cummins N14 14.0L
1999 Freightliner FLD120
Detroit Diesel Series 60 11.1L
1991 Freightliner FLD120
Detroit Diesel Series 60 12.7L
1997 Freightliner FLD120
Detroit Diesel Series 60 12.7L
1994 Freightliner FLD120
Cummins N14 14.0L
Vehicles with Caterpillar C16 Engine
This same engine is also available for these vehicles
2000 Kenworth T800
C16 15.8L DIESEL
2002 Freightliner Columbia
C16 15.8L DIESEL
2001 Sterling Truck LT9500
C16 15.8L DIESEL
2001 Sterling Truck LT9500
C16 15.8L DIESEL
2010 Kenworth T800
C16 15.8L DIESEL
2009 Kenworth T800
C16 15.8L DIESEL
2009 Kenworth T800
C16 15.8L DIESEL
2003 Peterbilt 387
C16 15.8L DIESEL
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Browse other Freightliner models with remanufactured engines
2004 Freightliner FLD120
Cummins 4BT3.9 3.9L
2001 Freightliner Argosy
Cummins ISX 15.0 15.0L
1994 Freightliner FLD112
Cummins 6CT8.3 8.3L
2016 Freightliner Sprinter 2500
Daimler OM651 2.1L
2002 Freightliner FL80
Mercedes-Benz MBE906 6.4L
2024 Freightliner Cascadia
Cummins ISX 15.0 15.0L
2018 Freightliner Cascadia
Detroit Diesel DD15 14.8L
2015 Freightliner M2 106
Cummins ISL 8.9 8.9L
More Caterpillar Engines
Explore other Caterpillar engine models we carry
1993 Emergency One Emergency One
Caterpillar 3208 10.4L DIESEL
2001 Crane Carrier Centurion
Caterpillar C10 10.3L DIESEL
1988 Peterbilt 379
Caterpillar 3406 14.6L DIESEL
1989 White/GMC ACL
Caterpillar 3306 10.5L DIESEL
1994 Ford LLA9000
Caterpillar 3176 10.3L DIESEL
2000 Peterbilt 387
Caterpillar C16 15.8L DIESEL
2001 Freightliner Century Class
Caterpillar C16 15.8L DIESEL
2000 Crane Carrier Low Entry
Caterpillar 3116 6.6L DIESEL
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Buy Caterpillar C16 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Caterpillar long block engines. Our C16 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 FLD120or 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
