2004 Subaru Legacy EJ253 2.5 Subaru Remanufactured Long Block Engine
GAS • Dyno Tested • Warranty Included

About This Subaru EJ253 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2004 Subaru Legacy? US Engine Production offers premium remanufactured Subaru EJ253 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 gas 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 Subaru EJ253 Problems We Address
Our remanufacturing process specifically addresses these known issues with Subaru EJ253 engines:
- Timing chain/belt wear
- Oil consumption issues
- Coolant leaks from gaskets
- Spark plug and ignition problems
- Valve cover gasket leaks
- Water pump failures
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
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: 2004 Subaru Legacy Subaru EJ253 Remanufactured Engine
A remanufactured Subaru EJ253 2.5L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2004 Subaru Legacy. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Subaru EJ253 remanufactured long block for your 2004 Subaru Legacy, 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
"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 Subaru EJ253 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 Subaru Legacy Engines
Other model years available for the Subaru Legacy
2003 Subaru Legacy
Subaru EJ253 2.5L
2006 Subaru Legacy
Subaru EJ253 2.5L
1998 Subaru Legacy
Subaru 2.2L
2005 Subaru Legacy
Subaru EJ255 2.5L
1996 Subaru Legacy
Subaru 2.2L
1996 Subaru Legacy
Subaru EJ22E 2.2L
1995 Subaru Legacy
Subaru EJ22E 2.2L
2011 Subaru Legacy
Subaru 2.5L
Vehicles with Subaru EJ253 Engine
This same engine is also available for these vehicles
2001 Subaru Outback
EJ253 2.5L GAS
2001 Subaru Legacy
EJ253 2.5L GAS
2006 Subaru Forester
EJ253 2.5L GAS
2007 Subaru Impreza
EJ253 2.5L GAS
2001 Subaru Legacy
EJ253 2.5L GAS
2012 Subaru Outback
EJ253 2.5L GAS
2007 Subaru Legacy
EJ253 2.5L GAS
2007 Subaru Legacy
EJ253 2.5L GAS
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Browse other Subaru models with remanufactured engines
1985 Subaru GL
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Subaru EJ255 2.5L
1986 Subaru GL
Subaru 1.8L
2004 Subaru Impreza
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1990 Subaru Loyale
Subaru 1.8L
1984 Subaru DL
Subaru 1.8L
1980 Subaru DL
Subaru 1.6L
1988 Subaru GL-10
Subaru 1.8L
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1995 Subaru Legacy
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1991 Subaru XT
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1981 Subaru Standard
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1987 Subaru GL-10
Subaru 1.8L GAS
2013 Subaru Legacy
Subaru 2.5L GAS
2017 Subaru Forester
Subaru FA20F 2L GAS
1992 Subaru Legacy
Subaru 2.2L GAS
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Buy Subaru EJ253 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Subaru long block engines. Our EJ253 remanufactured long blocks for Subaru 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 2004 Subaru Legacyor 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.
