2000 Peterbilt 377 C12 12 Caterpillar Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Caterpillar C12 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2000 Peterbilt 377? US Engine Production offers premium remanufactured Caterpillar C12 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 Caterpillar C12 Problems We Address
Our remanufacturing process specifically addresses these known issues with Caterpillar C12 engines:
- Injector o-ring failures causing fuel leaks
- HEUI pump failures affecting fuel delivery
- Turbocharger wastegate issues
- Cylinder liner pitting from coolant contamination
- Oil cooler failures
- ECM sensor failures
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
Peterbilt Vehicle Compatibility
Caterpillar C12 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 377 Caterpillar C12 Remanufactured Engine
A remanufactured Caterpillar C12 12L 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 377. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Caterpillar C12 remanufactured long block for your 2000 Peterbilt 377, 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
"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 Caterpillar C12 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 377 Engines
Other model years available for the Peterbilt 377
1995 Peterbilt 377
Cummins M11 10.8L
1999 Peterbilt 377
Cummins M11 10.8L
1988 Peterbilt 377
Cummins VT903 14.8L
1987 Peterbilt 377
Caterpillar 3406 14.6L
1996 Peterbilt 377
Caterpillar 3176 10.3L
1992 Peterbilt 377
Cummins L10 10L
1992 Peterbilt 377
Detroit Diesel Series 60 12.7L
1996 Peterbilt 377
Caterpillar 3406 14.6L
Vehicles with Caterpillar C12 Engine
This same engine is also available for these vehicles
1999 Sterling Truck L9511
C12 12L DIESEL
2001 International 4900
C12 12L DIESEL
2005 Advance Mixer Advance Mixer
C12 12L DIESEL
2002 Freightliner Condor
C12 12L DIESEL
2004 Freightliner Condor
C12 12L DIESEL
2001 Sterling Truck A9500
C12 12L DIESEL
2001 Sterling Truck LT9513
C12 12L DIESEL
2000 Western Star 5800
C12 12L DIESEL
More Peterbilt Engines
Browse other Peterbilt models with remanufactured engines
2013 Peterbilt 367
PACCAR MX 12.9L
1993 Peterbilt 320
Cummins L10 10L
1991 Peterbilt 375
Cummins 6CT8.3 8.3L
2000 Peterbilt 357
Caterpillar C10 10.3L
2004 Peterbilt 320
Cummins ISM 10.8 10.8L
2001 Peterbilt 379
Cummins N14 14L
2011 Peterbilt 386
Cummins ISX 11.9 11.9L
1988 Peterbilt 378
Detroit Diesel Series 60 12.7L
More Caterpillar Engines
Explore other Caterpillar engine models we carry
2002 Sterling Truck AT9500
Caterpillar C12 12L DIESEL
2007 Peterbilt 379
Caterpillar C11 11.1L DIESEL
2001 Peterbilt 379
Caterpillar 3406 14.6L DIESEL
2002 Sterling Truck LT9500
Caterpillar C10 10.3L DIESEL
1993 Freightliner FLL086
Caterpillar 3406 14.6L DIESEL
2000 Freightliner FLD112
Caterpillar C10 10.3L DIESEL
1990 International 9300
Caterpillar 3406 14.6L DIESEL
2004 Western Star 4900FA
Caterpillar C10 10.3L DIESEL
Similar 12L DIESEL Engines
Other diesel engines with similar specifications
2008 Freightliner Columbia
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2005 Roadmaster Rail M-Series
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2000 Peterbilt 357
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Buy Caterpillar C12 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Caterpillar long block engines. Our C12 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 377or 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.
