2003 Ford F-350 Super Duty 6 Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2003 Ford F-350 Super Duty? US Engine Production offers premium remanufactured 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 Problems We Address
Our remanufacturing process specifically addresses these known issues with engines:
- Fuel injector failures affecting performance
- Turbocharger wear and failures
- EGR system problems
- Glow plug failures in cold weather
- Fuel pump issues
- Head gasket failures from overheating
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
Ford Vehicle Compatibility
engines are commonly found in these Ford vehicles:
- F-150, F-250, F-350, F-450, F-550 pickup trucks
- E-Series vans (E-150, E-250, E-350, E-450)
- Expedition and Excursion SUVs
- Ranger and Bronco models
- Transit and Transit Connect vans
- Mustang and performance vehicles
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 Ford F-350 Super Duty Remanufactured Engine
A remanufactured 6L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2003 Ford F-350 Super Duty. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a this engine remanufactured long block for your 2003 Ford F-350 Super Duty, 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 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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Buy Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured long block engines. Our remanufactured long blocks for Ford 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 Ford F-350 Super Dutyor 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.
