2023 International 4300LP ISB 6.7 6.7 Cummins Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Cummins ISB 6.7 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2023 International 4300LP? US Engine Production offers premium remanufactured Cummins ISB 6.7 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 ISB 6.7 Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins ISB 6.7 engines:
- Turbocharger failures from carbon buildup
- Head gasket issues from high cylinder pressures
- Fuel injector failures causing misfires
- EGR cooler cracks and leaks
- Cracked exhaust manifolds
- CP3 fuel pump failures
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
International Vehicle Compatibility
Cummins ISB 6.7 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: 2023 International 4300LP Cummins ISB 6.7 Remanufactured Engine
A remanufactured Cummins ISB 6.7 6.7L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2023 International 4300LP. 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 ISB 6.7 remanufactured long block for your 2023 International 4300LP, 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 ISB 6.7 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 4300LP Engines
Other model years available for the International 4300LP
2013 International 4300LP
International MaxxForce DT 7.6L
2012 International 4300LP
International DT466 7.6L
2011 International 4300LP
International MaxxForce 7 6.4L
2015 International 4300LP
International MaxxForce 7 6.4L
2014 International 4300LP
International MaxxForce DT 7.6L
2016 International 4300LP
International MaxxForce DT 7.6L
2010 International 4300LP
International DT466 7.6L
2022 International 4300LP
Cummins ISB 6.7 6.7L
Vehicles with Cummins ISB 6.7 Engine
This same engine is also available for these vehicles
2024 Autocar LLC. Xpert
ISB 6.7 6.7L DIESEL
2022 Capacity Of Texas Sabre 5
ISB 6.7 6.7L DIESEL
2016 Freightliner M2 106
ISB 6.7 6.7L DIESEL
2008 Freightliner M2 106
ISB 6.7 6.7L DIESEL
2017 International 4300LP
ISB 6.7 6.7L DIESEL
2021 Freightliner S2C
ISB 6.7 6.7L DIESEL
2019 Freightliner XC Modular Rail
ISB 6.7 6.7L DIESEL
2022 Freightliner XB Straight Rail
ISB 6.7 6.7L DIESEL
More International Engines
Browse other International models with remanufactured engines
1981 International 1824
International MV404 6.6L
1999 International 5000
Cummins ISM 10.8 10.8L
1992 International 9300
Detroit Diesel Series 60 12.7L
1982 International 1924 S
International MV446 7.3L
2008 International 7400
International MaxxForce 9 9.3L
1988 International 1854
International DT360 5.9L
1980 International S1724
International V345 5.7L
1991 International 3900FC
International DT466 7.6L
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1997 Ford LT9000
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Buy Cummins ISB 6.7 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our ISB 6.7 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 2023 International 4300LPor 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.
