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 with free nationwide shipping.
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
1999 Peterbilt 320
Caterpillar 3306 10.5L
1999 Peterbilt 320
Caterpillar 3306 10.5L
2021 Peterbilt 320
PACCAR PX-9 8.9L
2004 Peterbilt 320
Cummins ISC 8.3 8.3L
2009 Peterbilt 320
Cummins ISL-G 8.9L
1999 Peterbilt 320
Cummins 6CT8.3 8.3L
2007 Peterbilt 320
Cummins ISM 10.8 10.8L
2016 Peterbilt 320
Cummins ISX 11.9G 11.9L
Vehicles with Cummins 6CT8.3 Engine
This same engine is also available for these vehicles
1996 Peterbilt 357
6CT8.3 8.3L DIESEL
1998 Ottawa YT60T
6CT8.3 8.3L DIESEL
1994 Peterbilt 224
6CT8.3 8.3L DIESEL
1993 Ford L8000F
6CT8.3 8.3L DIESEL
1992 Western Star 4800
6CT8.3 8.3L DIESEL
1993 Ford LT8000F
6CT8.3 8.3L DIESEL
1996 Ford LTS8000F
6CT8.3 8.3L DIESEL
1994 Peterbilt 357
6CT8.3 8.3L DIESEL
More Peterbilt Engines
Browse other Peterbilt models with remanufactured engines
1998 Peterbilt 385
Caterpillar C12 12L
1990 Peterbilt 378
Caterpillar 3176 10.3L
1986 Peterbilt 362
Cummins L10 10L
1992 Peterbilt 379
Cummins N14 14L
1999 Peterbilt 377
Caterpillar C12 12L
2024 Peterbilt 367
Cummins ISX 11.9 11.9L
2012 Peterbilt 348
PACCAR PX-8 8.3L
2012 Peterbilt 382
Cummins ISL 8.9 8.9L
More Cummins Engines
Explore other Cummins engine models we carry
2000 Advance Mixer Advance Mixer
Cummins ISM 10.8 10.8L DIESEL
1997 International F5070
Cummins N14 14L DIESEL
2000 Volvo WG
Cummins M11 10.8L DIESEL
2014 Volvo VNL
Cummins ISX 11.9G 11.9L CNG
2000 Spartan Motors Metro Star
Cummins N14 14L DIESEL
1999 International 9200 SBA
Cummins N14 14L DIESEL
2013 Freightliner M2 106
Cummins ISB6.7-300 6.7L DIESEL
2009 Dodge Ram 2500
Cummins ETJ 6.7L DIESEL
Similar 8.3L DIESEL Engines
Other diesel engines with similar specifications
2008 Sterling Truck L7500
Cummins ISC DIESEL
1988 Peterbilt 376
Cummins 6CT8.3 DIESEL
2008 Emergency One Emergency One
Cummins ISC 8.3 DIESEL
2006 Spartan Motors Metro Star
Cummins ISC 8.3 DIESEL
1997 Nova Bus Corporation Classic 40
Cummins 6CT8.3 DIESEL
2015 Kenworth T370
PACCAR PX-8 DIESEL
1996 Peterbilt 385
Cummins 6CT8.3 DIESEL
2003 El Dorado Escort RE
Cummins ISC 8.3 DIESEL
Related Searches
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.
