2003 Peterbilt 385 C10 10.3 Caterpillar Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Caterpillar C10 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2003 Peterbilt 385? US Engine Production offers premium remanufactured Caterpillar C10 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 C10 Problems We Address
Our remanufacturing process specifically addresses these known issues with Caterpillar C10 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 C10 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: 2003 Peterbilt 385 Caterpillar C10 Remanufactured Engine
A remanufactured Caterpillar C10 10.3L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2003 Peterbilt 385. 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 C10 remanufactured long block for your 2003 Peterbilt 385, 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
"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 Caterpillar C10 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 385 Engines
Other model years available for the Peterbilt 385
2006 Peterbilt 385
Cummins ISX 15.0 15.0L
1997 Peterbilt 385
Cummins 6CT8.3 8.3L
2007 Peterbilt 385
Cummins ISM 10.8 10.8L
2007 Peterbilt 385
Caterpillar C11 11.1L
2005 Peterbilt 385
Caterpillar C10 10.3L
1998 Peterbilt 385
Cummins L10 10.0L
2000 Peterbilt 385
Caterpillar C10 10.3L
2005 Peterbilt 385
Caterpillar C11 11.1L
Vehicles with Caterpillar C10 Engine
This same engine is also available for these vehicles
1998 Peterbilt 378
C10 10.3L DIESEL
2000 International 2674
C10 10.3L DIESEL
2000 Sterling Truck L9501
C10 10.3L DIESEL
2004 International 8600 SBA
C10 10.3L DIESEL
2001 Peterbilt 379
C10 10.3L DIESEL
1998 Ford L9522
C10 10.3L DIESEL
2000 Sterling Truck L9513
C10 10.3L DIESEL
2001 Peterbilt 362
C10 10.3L DIESEL
More Peterbilt Engines
Browse other Peterbilt models with remanufactured engines
2000 Peterbilt 377
Cummins N14 14.0L
1990 Peterbilt 377
Cummins N14 14.0L
2011 Peterbilt 367
Caterpillar C15 14.6L
1995 Peterbilt 357
Caterpillar 3406 14.6L
1993 Peterbilt 375
Cummins L10 10.0L
2001 Peterbilt 385
Caterpillar C10 10.3L
1992 Peterbilt 357
Cummins 6CT8.3 8.3L
2002 Peterbilt 379
Caterpillar C15 14.6L
More Caterpillar Engines
Explore other Caterpillar engine models we carry
1984 GMC General
Caterpillar 3406 14.6L DIESEL
1993 Ford LTS9000
Caterpillar 3406 14.6L DIESEL
2008 GMC C7500 Topkick
Caterpillar C7 7.2L DIESEL
2005 GMC C7500 Topkick
Caterpillar 3126 7.2L DIESEL
2006 Kenworth C500
Caterpillar C13 12.5L DIESEL
1985 Ford C8000
Caterpillar 3208 10.4L DIESEL
2001 Western Star 4900E
Caterpillar C16 15.8L DIESEL
1997 Peterbilt 330
Caterpillar 3406 14.6L DIESEL
Similar 10.3L DIESEL Engines
Other diesel engines with similar specifications
1999 Sterling Truck L9522
Caterpillar C10 DIESEL
2003 Oshkosh Motor Truck Co. S
Caterpillar C10 DIESEL
1996 Western Star 4900
Caterpillar 3176 DIESEL
2001 International 9200i SBA
Caterpillar C10 DIESEL
2002 Kenworth T800
Caterpillar C10 DIESEL
1992 Freightliner FLD120
Caterpillar 3176 DIESEL
1997 Peterbilt 385
Caterpillar 3176 DIESEL
1994 Ford LT9000
Caterpillar 3176 DIESEL
Related Searches
Buy Caterpillar C10 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Caterpillar long block engines. Our C10 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 2003 Peterbilt 385or 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.
PROPOSITION 65 WARNING
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
