2003 Freightliner FL60 B5.9G 5.9 Cummins Remanufactured Long Block Engine
LPG • Dyno Tested • Warranty Included

About This Cummins B5.9G Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2003 Freightliner FL60? US Engine Production offers premium remanufactured Cummins B5.9G 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 lpg 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 Cummins B5.9G Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins B5.9G engines:
- EGR cooler failures leading to coolant leaks
- Turbocharger actuator issues causing reduced power
- Fuel injector problems resulting in rough idle
- Head gasket failures from overheating
- Crankshaft position sensor failures
- Oil dilution from regeneration cycles
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
Freightliner Vehicle Compatibility
Cummins B5.9G 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 FL60 Cummins B5.9G Remanufactured Engine
A remanufactured Cummins B5.9G 5.9L 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 FL60. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Cummins B5.9G remanufactured long block for your 2003 Freightliner FL60, 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
"Fast shipping and the engine was exactly as described. Installation went smoothly and it's been running great for 6 months now."
"Great experience from start to finish. The price was competitive and the quality exceeded my expectations. Will definitely buy again."
"Needed an engine fast for my work truck. They had it in stock and shipped same day. Engine is running perfectly. Highly recommend!"
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 Cummins B5.9G 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 FL60 Engines
Other model years available for the Freightliner FL60
2002 Freightliner FL60
Cummins ISB 5.9 5.9L
1996 Freightliner FL60
Caterpillar 3126 7.2L
2003 Freightliner FL60
Caterpillar 3126 7.2L
1995 Freightliner FL60
Cummins 6CT8.3 8.3L
2003 Freightliner FL60
Cummins C8.3G 8.3L
2001 Freightliner FL60
Caterpillar 3126 7.2L
2000 Freightliner FL60
Mercedes-Benz MBE904 4.3L
1997 Freightliner FL60
Cummins 6CT8.3 8.3L
Vehicles with Cummins B5.9G Engine
This same engine is also available for these vehicles
2004 El Dorado Transmark RE
B5.9G 5.9L CNG
2003 Freightliner FL70
B5.9G 5.9L LPG
2006 El Dorado E-Z Rider II
B5.9G 5.9L CNG
2000 Freightliner MB Line
B5.9G 5.9L LPG
1999 Orion Bus Orion II
B5.9G 5.9L CNG
1997 Freightliner MB Line
B5.9G 5.9L CNG
2003 El Dorado Transmark RE
B5.9G 5.9L CNG
2000 Freightliner MB Line
B5.9G 5.9L LPG
More Freightliner Engines
Browse other Freightliner models with remanufactured engines
1992 Freightliner FLC112
Caterpillar 3176 10.3L
1986 Freightliner FLC112
Caterpillar 3306 10.5L
2013 Freightliner Coronado
Cummins ISX 15.0 15.0L
2006 Freightliner Century Class
Caterpillar C15 14.6L
2001 Freightliner MT45
Cummins ISB 3.9L
2002 Freightliner FLD120
Caterpillar C10 10.3L
1999 Freightliner Century Class
Caterpillar C12 12.0L
2023 Freightliner Coronado
Cummins ISX 15.0 15.0L
More Cummins Engines
Explore other Cummins engine models we carry
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1990 International 5070
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2001 Dodge Ram 2500
Cummins 5.9L DIESEL
1985 Freightliner FLC112
Cummins N14 14.0L DIESEL
2015 Kenworth T800
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2004 Freightliner FC80
Cummins ISB 5.9 5.9L DIESEL
1993 Western Star 4900
Cummins N14 14.0L DIESEL
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Related Searches
Buy Cummins B5.9G Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our B5.9G 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 FL60or 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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