2007 Peterbilt 320 ISC 8.3 8.3 Cummins Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Cummins ISC 8.3 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2007 Peterbilt 320? US Engine Production offers premium remanufactured Cummins ISC 8.3 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 8.3 Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins ISC 8.3 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
Peterbilt Vehicle Compatibility
Cummins ISC 8.3 engines are commonly found in these Peterbilt vehicles:
- Model 579 highway trucks
- Model 389 classic trucks
- Model 567 vocational trucks
- Model 520 refuse trucks
- Model 348 medium-duty trucks
- Model 337 delivery 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: 2007 Peterbilt 320 Cummins ISC 8.3 Remanufactured Engine
A remanufactured Cummins ISC 8.3 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 2007 Peterbilt 320. 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 8.3 remanufactured long block for your 2007 Peterbilt 320, 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 Cummins ISC 8.3 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 Peterbilt 320 Engines
Other model years available for the Peterbilt 320
1991 Peterbilt 320
Caterpillar 3306 10.5L
2011 Peterbilt 320
Cummins ISX 15.0 15.0L
2002 Peterbilt 320
Caterpillar C10 10.3L
2001 Peterbilt 320
Caterpillar C10 10.3L
2023 Peterbilt 320
Cummins ISX 11.9 11.9L
2019 Peterbilt 320
Cummins ISX 11.9 11.9L
2006 Peterbilt 320
Caterpillar C11 11.1L
2008 Peterbilt 320
Cummins ISL 8.9 8.9L
Vehicles with Cummins ISC 8.3 Engine
This same engine is also available for these vehicles
2008 Freightliner M2 106
ISC 8.3 8.3L DIESEL
2001 Motor Coach Industries F3500
ISC 8.3 8.3L DIESEL
2003 Sterling Truck Acterra
ISC 8.3 8.3L DIESEL
2001 Freightliner MT45
ISC 8.3 8.3L DIESEL
2003 Motor Coach Industries F3500
ISC 8.3 8.3L DIESEL
2005 Spartan Motors Mountain Master
ISC 8.3 8.3L DIESEL
2009 Spartan Motors Mountain Master
ISC 8.3 8.3L DIESEL
2009 Spartan Motors Furion
ISC 8.3 8.3L DIESEL
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1990 Peterbilt 378
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1988 Peterbilt 352
Caterpillar 3208 10.4L
2003 Peterbilt 379
Detroit Diesel Series 60 12.7L
2002 Peterbilt 320
Cummins M11 10.8L
2024 Peterbilt 365
Cummins ISX 11.9 11.9L
1999 Peterbilt 357
Caterpillar 3406 14.6L
More Cummins Engines
Explore other Cummins engine models we carry
1992 International 9700
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2002 Freightliner Condor
Cummins ISC 8.3 8.3L DIESEL
1989 International F5070-WW
Cummins L10 10.0L DIESEL
2004 Ottawa YT50
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2007 Emergency One Emergency One
Cummins M11 10.8L DIESEL
2011 Ram 3500
Cummins ETJ 6.7L DIESEL
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Other diesel engines with similar specifications
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Buy Cummins ISC 8.3 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our ISC 8.3 remanufactured long blocks for Peterbilt 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 2007 Peterbilt 320or 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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