2002 International 4400 Series 50 8.5 Detroit Diesel Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Detroit Diesel Series 50 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2002 International 4400? US Engine Production offers premium remanufactured Detroit Diesel Series 50 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 Detroit Diesel Series 50 Problems We Address
Our remanufacturing process specifically addresses these known issues with Detroit Diesel Series 50 engines:
- EGR cooler failures
- Turbocharger actuator issues
- Injector problems causing white smoke
- Oil cooler failures
- Crankshaft position sensor failures
- DPF regeneration issues
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
International Vehicle Compatibility
Detroit Diesel Series 50 engines are commonly found in these International vehicles:
- LT Series highway trucks
- HX Series vocational trucks
- MV Series medium-duty trucks
- CV Series commercial trucks
- DuraStar delivery trucks
- WorkStar dump 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: 2002 International 4400 Detroit Diesel Series 50 Remanufactured Engine
A remanufactured Detroit Diesel Series 50 8.5L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2002 International 4400. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Detroit Diesel Series 50 remanufactured long block for your 2002 International 4400, 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
"Was worried about buying a remanufactured engine but these guys made it easy. Engine runs like new and the warranty gives me peace of mind."
"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."
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 Detroit Diesel Series 50 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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International MaxxForce 9 9.3L
2017 International 4400
International N9 9.3L
2021 International 4400
International N9 9.3L
2008 International 4400
International DT570 9.3L
2012 International 4400
International MaxxForce 9 9.3L
2011 International 4400
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Vehicles with Detroit Diesel Series 50 Engine
This same engine is also available for these vehicles
1999 New Flyer D60
Series 50 8.5L DIESEL
2000 Freightliner FL106
Series 50 8.5L DIESEL
1998 Kenworth T800
Series 50 8.5L DIESEL
1997 New Flyer D35LF
Series 50 8.5L DIESEL
1996 Nova Bus Corporation T702
Series 50 8.5L DIESEL
1998 Freightliner FLD120
Series 50 8.5L DIESEL
1995 Nova Bus Corporation T806
Series 50 8.5L DIESEL
2002 Blue Bird Commercial Bus
Series 50 8.5L DIESEL
More International Engines
Browse other International models with remanufactured engines
1984 International 1754
International 9.0L 9.0L
1985 International S1955
International DT466C 7.6L
1995 International 5070
International DT530 8.7L
1993 International F5070-WW
Cummins N14 14.0L
1990 International 2574
Cummins N14 14.0L
1990 International 2674
Cummins L10 10.0L
2001 International 9200i SBA
1983 International Cargostar
International 9.0L
More Detroit Diesel Engines
Explore other Detroit Diesel engine models we carry
2003 Freightliner Classic XL
Detroit Diesel Series 60 14.0L DIESEL
1986 White WHS
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2012 Freightliner Cascadia
Detroit Diesel DD13 12.8L DIESEL
1997 Kenworth T800
Detroit Diesel Series 60 12.7L DIESEL
2000 Western Star 4900
Detroit Diesel Series 60 12.7L DIESEL
2023 Western Star 4900SA
Detroit Diesel DD15 14.8L DIESEL
1987 Freightliner FLC120
Detroit Diesel 6V-92N 9.0L DIESEL
1986 GMC General
Detroit Diesel 6V-92N 9.0L DIESEL
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Buy Detroit Diesel Series 50 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Detroit Diesel long block engines. Our Series 50 remanufactured long blocks for International 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 2002 International 4400or 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.
PROPOSITION 65 WARNING
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
