1981 Freightliner FLC120 KT19 18.8 Cummins Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Cummins KT19 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 1981 Freightliner FLC120? US Engine Production offers premium remanufactured Cummins KT19 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 Cummins KT19 Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins KT19 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 KT19 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: 1981 Freightliner FLC120 Cummins KT19 Remanufactured Engine
A remanufactured Cummins KT19 18.8L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 1981 Freightliner FLC120. 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 KT19 remanufactured long block for your 1981 Freightliner FLC120, 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 KT19 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 FLC120 Engines
Other model years available for the Freightliner FLC120
1986 Freightliner FLC120
Cummins L10 10.0L
1990 Freightliner FLC120
Cummins N14 14.0L
1983 Freightliner FLC120
Detroit Diesel 6V-92N 9.0L
1983 Freightliner FLC120
Cummins N14 14.0L
1987 Freightliner FLC120
Caterpillar 3406 14.6L
1987 Freightliner FLC120
Cummins L10 10.0L
1988 Freightliner FLC120
Cummins L10 10.0L
1985 Freightliner FLC120
Cummins L10 10.0L
Vehicles with Cummins KT19 Engine
This same engine is also available for these vehicles
1984 Kenworth K100
KT19 18.8L DIESEL
1988 Kenworth K100E
KT19 18.8L DIESEL
1982 Autocar C / DC
KT19 18.8L DIESEL
1982 Peterbilt 359
KT19 18.8L DIESEL
1983 Peterbilt 362
KT19 18.8L DIESEL
1994 Peterbilt 379
KT19 18.8L DIESEL
2001 Peterbilt 379
KT19 18.8L DIESEL
1984 Kenworth W900
KT19 18.8L DIESEL
More Freightliner Engines
Browse other Freightliner models with remanufactured engines
1990 Freightliner FLC112
Caterpillar 3306 10.5L
1998 Freightliner FLD112
Detroit Diesel Series 50 8.5L
1989 Freightliner FLD120
Detroit Diesel Series 60 12.7L
2008 Freightliner M2 106
Cummins ISB6.7-220 6.7L
2004 Freightliner Coronado
Caterpillar C15 14.6L
2012 Freightliner MT45
Cummins ISB 6.7 6.7L
2009 Freightliner Coronado
2008 Freightliner M2 106
Cummins ISC-280 8.3L
More Cummins Engines
Explore other Cummins engine models we carry
1993 International 9400
Cummins L10 10.0L DIESEL
1992 Kenworth T800
Cummins L10 10.0L DIESEL
1986 Autocar ACL
Cummins N14 14.0L DIESEL
1989 Gillig City Transit
Cummins L10 10.0L DIESEL
2006 Freightliner Columbia
Cummins ISM 10.8 10.8L DIESEL
1985 Autocar ACL
Cummins L10 10.0L DIESEL
1992 International 2574
Cummins N14 14.0L DIESEL
2013 El Dorado Axess
Cummins ISL 8.9 8.9L DIESEL
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Buy Cummins KT19 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our KT19 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 1981 Freightliner FLC120or 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
