2000 Peterbilt 320 6CT8.3 8.3 Cummins Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Cummins 6CT8.3 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2000 Peterbilt 320? US Engine Production offers premium remanufactured Cummins 6CT8.3 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 6CT8.3 Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins 6CT8.3 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 6CT8.3 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: 2000 Peterbilt 320 Cummins 6CT8.3 Remanufactured Engine
A remanufactured Cummins 6CT8.3 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 2000 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 6CT8.3 remanufactured long block for your 2000 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
"I've bought several engines from US Engine Production over the years. Always top quality and their customer service is the best in the business."
"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."
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 6CT8.3 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
2000 Peterbilt 320
Caterpillar C10 10.3L
1993 Peterbilt 320
Caterpillar 3306 10.5L
2003 Peterbilt 320
Cummins ISC 8.3 8.3L
1988 Peterbilt 320
Cummins 6CT8.3 8.3L
1991 Peterbilt 320
Detroit Diesel Series 60 12.7L
2013 Peterbilt 320
Cummins ISL 8.9 8.9L
2007 Peterbilt 320
Caterpillar C7 7.2L
1987 Peterbilt 320
Caterpillar 3306 10.5L
Vehicles with Cummins 6CT8.3 Engine
This same engine is also available for these vehicles
1996 Ford LS8000F
6CT8.3 8.3L DIESEL
1994 Peterbilt 357
6CT8.3 8.3L DIESEL
1992 Peterbilt 357
6CT8.3 8.3L DIESEL
1994 Spartan Motors Mountain Master
6CT8.3 8.3L DIESEL
1999 Blue Bird All American RE
6CT8.3 8.3L DIESEL
2002 Roadmaster Rail S-Monocoque
6CT8.3 8.3L DIESEL
1996 Ford L8513
6CT8.3 8.3L DIESEL
1995 Spartan Motors Bus Chassis
6CT8.3 8.3L DIESEL
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2003 Peterbilt 387
Caterpillar 3406 14.6L
1992 Peterbilt 372
Caterpillar 3406 14.6L
2024 Peterbilt 587
PACCAR MX-13 12.9L
2001 Peterbilt 378
Cummins ISX 15.0 15.0L
1997 Peterbilt 330
Caterpillar 3126 7.2L
2014 Peterbilt 388
PACCAR MX-13 12.9L
More Cummins Engines
Explore other Cummins engine models we carry
2009 Pierce Mfg. Inc. Arrow XT
Cummins ISL 8.9 8.9L DIESEL
1986 Kenworth W900
Cummins N14 14.0L DIESEL
2014 Ram 3500
Cummins ETK 6.7L DIESEL
2001 International 9400i SBA
Cummins Signature 600 15.0L DIESEL
1987 Peterbilt 379
Cummins N14 14.0L DIESEL
2002 Freightliner Argosy
Cummins ISX 15.0 15.0L DIESEL
2002 Dodge Ram 2500
Cummins 5.9L DIESEL
2001 Chance Coach Transit Bus CNG-28
Cummins B5.9G 5.9L CNG
Similar 8.3L DIESEL Engines
Other diesel engines with similar specifications
1998 Spartan Motors Alpine
Cummins 6CT8.3 DIESEL
2007 Peterbilt 340
Cummins ISC 8.3 DIESEL
2001 Nova Bus Corporation Low Floor 40
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2008 Sterling Truck Acterra
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2006 Seagrave Fire Apparatus T
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2010 Autocar LLC. Xpeditor WX
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2001 Freightliner FLD120
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1998 Freightliner XB Line
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Buy Cummins 6CT8.3 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our 6CT8.3 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 2000 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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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
