1999 International 9300 Signature 600 15 Cummins Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Cummins Signature 600 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 1999 International 9300? US Engine Production offers premium remanufactured Cummins Signature 600 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 Signature 600 Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins Signature 600 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
International Vehicle Compatibility
Cummins Signature 600 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: 1999 International 9300 Cummins Signature 600 Remanufactured Engine
A remanufactured Cummins Signature 600 15L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 1999 International 9300. 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 Signature 600 remanufactured long block for your 1999 International 9300, 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 Signature 600 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 9300 Engines
Other model years available for the International 9300
1992 International 9300
1995 International 9300
Cummins M11 10.8L
1989 International 9300
Caterpillar 3406 14.6L
1993 International 9300
Detroit Diesel Series 60 11.1L
1995 International 9300
Caterpillar 3176 10.3L
1998 International 9300
Cummins N14 14L
1990 International 9300
Cummins N14 14L
1995 International 9300
Detroit Diesel Series 60 12.7L
Vehicles with Cummins Signature 600 Engine
This same engine is also available for these vehicles
2003 Freightliner FLD120
Signature 600 15L DIESEL
1999 Western Star 4900
Signature 600 15L DIESEL
2011 International 5500i
Signature 600 15L DIESEL
2001 Freightliner FLD120
Signature 600 15L DIESEL
2003 Freightliner Columbia
Signature 600 15L DIESEL
2009 International 5500i
Signature 600 15L DIESEL
2010 International 5500i
Signature 600 15L DIESEL
2003 Freightliner FLD120
Signature 600 15L DIESEL
More International Engines
Browse other International models with remanufactured engines
2014 International 4400
International MaxxForce DT 7.6L
1986 International S2554
International DT466C 7.6L
1998 International 4800
International DT530 8.7L
1986 International 9370
Cummins N14 14L
2014 International LoneStar
International MaxxForce 13 12.4L
2006 International 4400LP
International DT466 7.6L
1991 International 3700
Caterpillar 3406 14.6L
1997 International 9300
Caterpillar 3176 10.3L
More Cummins Engines
Explore other Cummins engine models we carry
1992 Dodge W250
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1993 Dodge W250
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1991 Freightliner FLL086
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2002 Emergency One Emergency One
Cummins 6CT8.3 8.3L DIESEL
2000 Kenworth W900
Cummins ISB 5.9L DIESEL
1995 Ford LTA9000
Cummins N14 14L DIESEL
2019 Ram 2500
Cummins ETK 6.7L DIESEL
2014 Ram 3500
Cummins ETK 6.7L DIESEL
Similar 15L DIESEL Engines
Other diesel engines with similar specifications
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Buy Cummins Signature 600 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our Signature 600 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 1999 International 9300or 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.
