2015 Thomas Saf-T-Liner 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 2015 Thomas Saf-T-Liner? 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
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: 2015 Thomas Saf-T-Liner 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 2015 Thomas Saf-T-Liner. 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 2015 Thomas Saf-T-Liner, 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 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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More Thomas Saf-T-Liner Engines
Other model years available for the Thomas Saf-T-Liner
2008 Thomas Saf-T-Liner
Mercedes-Benz MBE904 4.3L
1995 Thomas Saf-T-Liner
Caterpillar 3116 6.6L
2007 Thomas Saf-T-Liner
Cummins ISC 8.3 8.3L
2010 Thomas Saf-T-Liner
Cummins ISL-G 8.9L
1998 Thomas Saf-T-Liner
2004 Thomas Saf-T-Liner
Mercedes-Benz MBE906 6.4L
1997 Thomas Saf-T-Liner
2003 Thomas Saf-T-Liner
Cummins 6BT5.9 5.9L
Vehicles with Cummins ISC 8.3 Engine
This same engine is also available for these vehicles
2011 Spartan Motors Metro Star
ISC 8.3 8.3L DIESEL
2003 Freightliner FL60
ISC 8.3 8.3L DIESEL
2003 Sterling Truck LT8500
ISC 8.3 8.3L DIESEL
2004 Oshkosh Motor Truck Co. MPT
ISC 8.3 8.3L DIESEL
1998 Freightliner FL50
ISC 8.3 8.3L DIESEL
2004 Crane Carrier Low Entry
ISC 8.3 8.3L DIESEL
2004 Autocar LLC. Xpeditor WXLL
ISC 8.3 8.3L DIESEL
2008 Pierce Mfg. Inc. Saber
ISC 8.3 8.3L DIESEL
More Thomas Engines
Browse other Thomas models with remanufactured engines
2009 Thomas Saf-T-Liner
Mercedes-Benz MBE904 4.3L
1989 Thomas School Bus
Cummins 6CT8.3 8.3L
2007 Thomas Saf-T-Liner
Caterpillar C7 7.2L
1993 Thomas Saf-T-Liner
1989 Thomas School Bus
Caterpillar 3208 10.4L
2003 Thomas Saf-T-Liner
Caterpillar 3126 7.2L
2001 Thomas Saf-T-Liner
2005 Thomas Transit Liner
Caterpillar 3126 7.2L
More Cummins Engines
Explore other Cummins engine models we carry
1993 White/GMC WIM
Cummins N14 14.0L DIESEL
2014 Ram 3500
Cummins ETK 6.7L DIESEL
2000 Kenworth T600A
Cummins ISM 10.8 10.8L DIESEL
1989 Ford LA9000
Cummins N14 14.0L DIESEL
1988 International F5070
Cummins N14 14.0L DIESEL
2003 Kenworth T800
Cummins ISX 15.0 15.0L DIESEL
1986 Ford LTL9000
Cummins N14 14.0L DIESEL
2000 Dodge Ram 2500
Cummins 5.9L DIESEL
Similar 8.3L DIESEL Engines
Other diesel engines with similar specifications
1997 Nova Bus Corporation Classic 40
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2012 Freightliner M2 106
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1992 Freightliner FLD112
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1991 Kenworth T400
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2007 Freightliner M2 106
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1989 Peterbilt 265
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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 Thomas 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 2015 Thomas Saf-T-Lineror 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
