2012 GMC Terrain LFW 3 General Motors Remanufactured Long Block Engine
FLEX • Dyno Tested • Warranty Included

About This General Motors LFW Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2012 GMC Terrain? US Engine Production offers premium remanufactured General Motors LFW 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 LFW Problems We Address
Our remanufacturing process specifically addresses these known issues with General Motors LFW 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
GMC Vehicle Compatibility
General Motors LFW engines are commonly found in these GMC vehicles:
- Sierra 1500, 2500HD, 3500HD trucks
- Canyon compact trucks
- Savana cargo and passenger vans
- Yukon and Yukon XL SUVs
- Acadia and Terrain crossovers
- TopKick and commercial 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: 2012 GMC Terrain General Motors LFW Remanufactured Engine
A remanufactured General Motors LFW 3L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2012 GMC Terrain. 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 LFW remanufactured long block for your 2012 GMC Terrain, 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
"Needed an engine fast for my work truck. They had it in stock and shipped same day. Engine is running perfectly. Highly recommend!"
"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."
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 LFW 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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Other model years available for the GMC Terrain
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2011 GMC Terrain
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2010 GMC Terrain
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2011 GMC Terrain
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2016 GMC Terrain
General Motors LEA 2.4L
2015 GMC Terrain
General Motors LFX 3.6L
Vehicles with General Motors LFW Engine
This same engine is also available for these vehicles
2012 Cadillac CTS
LFW 3L GAS
2012 Cadillac CTS
LFW 3L GAS
2014 Cadillac CTS
LFW 3L GAS
2013 Cadillac CTS
LFW 3L GAS
2012 Cadillac CTS
LFW 3L GAS
2012 GMC Terrain
LFW 3L FLEX
2013 Cadillac CTS
LFW 3L GAS
2012 Cadillac CTS
LFW 3L GAS
More GMC Engines
Browse other GMC models with remanufactured engines
1995 GMC C2500
General Motors 5.7L
1980 GMC C1500 Suburban
General Motors 5L
1997 GMC P3500
General Motors 7.4L
2011 GMC Sierra 1500
General Motors LMG 5.3L
2002 GMC Sierra 2500
General Motors 6L
1987 GMC R3500
General Motors 4.8L
2008 GMC Sierra 2500 HD
General Motors 6L
1985 GMC G1500
General Motors 5.7L
More General Motors Engines
Explore other General Motors engine models we carry
2011 GMC Sierra 3500 HD
General Motors L96 6L FLEX
1980 Chevrolet Impala
General Motors 4.4L GAS
1984 Buick LeSabre
General Motors 5.7L DIESEL
1985 Chevrolet G20
General Motors 6.2L DIESEL
2004 Chevrolet Silverado 3500
General Motors 6L CNG
2006 GMC Sierra 3500
General Motors LLY 6.6L DIESEL
2010 Chevrolet Corvette
General Motors LS3 6.2L GAS
1991 Chevrolet C2500
General Motors 5.7L GAS
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Buy General Motors LFW Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured General Motors long block engines. Our LFW remanufactured long blocks for GMC 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 GMC Terrainor 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.
