1991 International 3800 DT466 7.6 International Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This International DT466 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 1991 International 3800? US Engine Production offers premium remanufactured International DT466 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 International DT466 Problems We Address
Our remanufacturing process specifically addresses these known issues with International DT466 engines:
- Injector sleeve failures
- High-pressure oil pump issues
- Turbocharger failures
- Cylinder head cracks
- Oil cooler leaks
- Fuel transfer pump failures
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
International Vehicle Compatibility
International DT466 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: 1991 International 3800 International DT466 Remanufactured Engine
A remanufactured International DT466 7.6L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 1991 International 3800. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a International DT466 remanufactured long block for your 1991 International 3800, 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
"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!"
"Excellent quality engine at a great price. The team was very helpful in finding the right engine for my truck. Shipped fast and arrived in perfect condition."
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 International DT466 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 International 3800 Engines
Other model years available for the International 3800
1991 International 3800
Cummins N14 14L
1998 International 3800
International T444E 7.3L
1992 International 3800
International DTA360 5.9L
1999 International 3800
Caterpillar 3406 14.6L
1992 International 3800
International DTA466 7.6L
1997 International 3800
International DT466 7.6L
1994 International 3800
Detroit Diesel Series 60 11.1L
1990 International 3800
Cummins N14 14L
Vehicles with International DT466 Engine
This same engine is also available for these vehicles
1980 International 2155
DT466 7.6L DIESEL
1998 International 2654
DT466 7.6L DIESEL
2023 IC Corporation CE School Bus
DT466 7.6L DIESEL
2004 IC Corporation FE School Bus
DT466 7.6L DIESEL
2008 IC Corporation FE Commercial
DT466 7.6L DIESEL
1997 International 4700LP
DT466 7.6L DIESEL
1995 International 4700
DT466 7.6L DIESEL
2000 International Genesis RE
DT466 7.6L DIESEL
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Browse other International models with remanufactured engines
1986 International 2574
Cummins N14 14L
1996 International 2674
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1983 International COF9670
Detroit Diesel 8V-71N 9.3L
1985 International F9370
Caterpillar 3406 14.6L
2000 International Genesis RE
International DT530 8.7L
1982 International 2674
Cummins N14 14L
2011 International 5500i
Cummins ISL 8.9 8.9L
1992 International 8300
Detroit Diesel Series 60 11.1L
More International Engines
Explore other International engine models we carry
1992 Ford F-350
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2000 International 3000IC
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1985 Ford E-350 Econoline
International 6.9L DIESEL
2001 Ford F-350 Super Duty
International 7.3L DIESEL
1999 Ford F-350 Super Duty
International 7.3L DIESEL
1990 Ford E-350 Econoline
International 7.3L DIESEL
1993 Ford F-350
International 7.3L DIESEL
1988 Ford F-250
International 7.3L DIESEL
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Buy International DT466 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured International long block engines. Our DT466 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 1991 International 3800or 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.
