2012 Buick Regal LEA 2.4 General Motors Remanufactured Long Block Engine
FLEX • Dyno Tested • Warranty Included

About This General Motors LEA Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2012 Buick Regal? US Engine Production offers premium remanufactured General Motors LEA 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 flex 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 General Motors LEA Problems We Address
Our remanufacturing process specifically addresses these known issues with General Motors LEA 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: 2012 Buick Regal General Motors LEA Remanufactured Engine
A remanufactured General Motors LEA 2.4L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2012 Buick Regal. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a General Motors LEA remanufactured long block for your 2012 Buick Regal, 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
"Excellent quality engine at a great price. The team was very helpful in finding the right engine for my truck. Shipped fast and arrived in perfect condition."
"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."
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 General Motors LEA 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 Buick Regal Engines
Other model years available for the Buick Regal
1984 Buick Regal
General Motors 3.8L
1992 Buick Regal
General Motors 3.1L
1991 Buick Regal
General Motors L27 3.8L
1982 Buick Regal
4.4L
1982 Buick Regal
General Motors 5.7L
1983 Buick Regal
General Motors 4.3L
1985 Buick Regal
General Motors 5L
2012 Buick Regal
General Motors LEA 2.4L
Vehicles with General Motors LEA Engine
This same engine is also available for these vehicles
2015 Chevrolet Equinox
LEA 2.4L FLEX
2016 GMC Terrain
LEA 2.4L GAS
2014 Chevrolet Orlando
LEA 2.4L FLEX
2016 Buick Regal
LEA 2.4L FLEX
2017 Chevrolet Equinox
LEA 2.4L FLEX
2014 Chevrolet Equinox
LEA 2.4L GAS
2016 GMC Terrain
LEA 2.4L FLEX
2014 Chevrolet Equinox
LEA 2.4L FLEX
More Buick Engines
Browse other Buick models with remanufactured engines
1980 Buick LeSabre
General Motors 5.7L
1984 Buick Skyhawk
Opel 1.8L
1981 Buick LeSabre
General Motors 5L
1987 Buick Skyhawk
General Motors 2L
1982 Buick Electra
General Motors 5L
1985 Buick Century
General Motors 4.3L
1984 Buick Skyhawk
General Motors 2L
1985 Buick Century
General Motors 2.5L
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Explore other General Motors engine models we carry
1990 GMC S15
General Motors 4.3L GAS
1989 Chevrolet Caprice
General Motors 5L GAS
1997 Chevrolet K1500
General Motors 5L GAS
1988 Chevrolet V30
General Motors 5.7L GAS
1996 Chevrolet C2500
General Motors 6.5L DIESEL
2017 GMC Canyon
General Motors LCV 2.5L GAS
1991 Chevrolet K2500
General Motors 6.2L DIESEL
2001 Chevrolet Silverado 1500
General Motors 4.3L GAS
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Buy General Motors LEA Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured General Motors long block engines. Our LEA remanufactured long blocks for Buick 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 2012 Buick Regalor 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.
