2004 Workhorse R32 ISC 8.3 Cummins Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Cummins ISC Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2004 Workhorse R32? US Engine Production offers premium remanufactured Cummins ISC 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 Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins ISC 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: 2004 Workhorse R32 Cummins ISC Remanufactured Engine
A remanufactured Cummins ISC 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 2004 Workhorse R32. 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 remanufactured long block for your 2004 Workhorse R32, 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 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 Workhorse R32 Engines
Other model years available for the Workhorse R32
2007 Workhorse R32
Cummins ISC 8.3L
2006 Workhorse R32
Cummins ISC 8.3L
2003 Workhorse R32
Cummins ISC 8.3L
2006 Workhorse R32
Cummins ISL 8.9L
2005 Workhorse R32
Cummins ISC 8.3L
2009 Workhorse R32
Cummins ISC 8.3L
2008 Workhorse R32
Cummins ISL 8.9L
2003 Workhorse R32
Cummins ISL 8.9L
Vehicles with Cummins ISC Engine
This same engine is also available for these vehicles
2005 Sterling Truck Acterra 5500
ISC 8.3L DIESEL
2005 Sterling Truck Acterra 6500
ISC 8.3L DIESEL
2003 Sterling Truck Acterra 7500
ISC 8.3L DIESEL
2005 Sterling Truck Acterra 7500
ISC 8.3L DIESEL
2006 Sterling Truck L7500
ISC 8.3L DIESEL
2000 Sterling Truck L7500
ISC 8.3L DIESEL
2002 Sterling Truck L7500
ISC 8.3L DIESEL
2006 Sterling Truck Acterra 6500
ISC 8.3L DIESEL
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2010 Workhorse W42
General Motors 4.8L
2003 Workhorse FasTrack FT1802
General Motors 6.5L
2001 Workhorse W22
General Motors L18 8.1L
2004 Workhorse FasTrack FT1061
General Motors 5.7L
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1991 Ford LTL9000
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2022 Freightliner XC Raised Rail
Cummins ISB 6.7 6.7L DIESEL
1991 Ford LTL9000
Cummins N14 14.0L DIESEL
2017 Ram 5500
Cummins ETK 6.7L DIESEL
2012 Ram 3500
Cummins ETJ 6.7L DIESEL
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Buy Cummins ISC Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our ISC remanufactured long blocks for Workhorse 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 2004 Workhorse R32or 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
