2001 Kenworth T800 ISC 8.3 8.3 Cummins Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Cummins ISC 8.3 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2001 Kenworth T800? US Engine Production offers premium remanufactured Cummins ISC 8.3 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 ISC 8.3 Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins ISC 8.3 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
Kenworth Vehicle Compatibility
Cummins ISC 8.3 engines are commonly found in these Kenworth vehicles:
- T680 highway trucks
- W900 classic trucks
- T880 vocational trucks
- T370 medium-duty trucks
- K270/K370 cabover trucks
- T440/T470 work trucks
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: 2001 Kenworth T800 Cummins ISC 8.3 Remanufactured Engine
A remanufactured Cummins ISC 8.3 8.3L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2001 Kenworth T800. 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 ISC 8.3 remanufactured long block for your 2001 Kenworth T800, call our engine specialists at (631) 991-7700 or request a quote online. We offer competitive pricing with free nationwide shipping.
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 ISC 8.3 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 Kenworth T800
2024 Kenworth T800
Cummins ISM 10.8L
1991 Kenworth T800
Caterpillar 3406 14.6L
2016 Kenworth T800
Cummins ISX
2005 Kenworth T800
Caterpillar C11 11.1L
2015 Kenworth T800
Cummins ISX 11.9 11.9L
2005 Kenworth T800
Cummins ISL 8.9 8.9L
2005 Kenworth T800
Cummins ISX 15.0 15L
1996 Kenworth T800
Cummins N14 14L
Vehicles with Cummins ISC 8.3 Engine
This same engine is also available for these vehicles
2010 Oshkosh Motor Truck Co. MPT
ISC 8.3 8.3L DIESEL
2005 Sterling Truck LT8500
ISC 8.3 8.3L DIESEL
2012 Freightliner XC Raised Rail
ISC 8.3 8.3L DIESEL
2005 El Dorado Axess
ISC 8.3 8.3L DIESEL
1999 Freightliner FL70
ISC 8.3 8.3L DIESEL
2014 Freightliner M2 106
ISC 8.3 8.3L DIESEL
2013 Freightliner Cascadia
ISC 8.3 8.3L DIESEL
2006 Peterbilt 335
ISC 8.3 8.3L DIESEL
More Kenworth Engines
Browse other Kenworth models with remanufactured engines
1995 Kenworth T450
Cummins L10 10L
1992 Kenworth W900
Caterpillar 3306 10.5L
1997 Kenworth T800
Cummins L10 10L
2016 Kenworth T800
Cummins ISM 10.8L
2004 Kenworth T300
Cummins ISC 8.3 8.3L
2000 Kenworth T800
Detroit Diesel Series 60 12.7L
1997 Kenworth T800
Cummins 6BT5.9 5.9L
1986 Kenworth C500
Caterpillar 3406 14.6L
More Cummins Engines
Explore other Cummins engine models we carry
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1988 Kenworth C500
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1996 Kenworth T800
Cummins 6CT8.3 8.3L DIESEL
2020 Kenworth T680
Cummins ISM 10.8L DIESEL
1999 Freightliner FL50
Cummins ISB 5.9 5.9L DIESEL
1987 White WCM
Cummins L10 10L DIESEL
1994 Crane Carrier IRL
Cummins 6CT8.3 8.3L DIESEL
2023 Freightliner Coronado
Cummins ISX 15.0 15L DIESEL
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Other diesel engines with similar specifications
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Buy Cummins ISC 8.3 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our ISC 8.3 remanufactured long blocks for Kenworth 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 2001 Kenworth T800or 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.
