2014 Mack LEU ISL-G 8.9 Cummins Remanufactured Long Block Engine
CNG • Dyno Tested • Warranty Included

About This Cummins ISL-G Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2014 Mack LEU? US Engine Production offers premium remanufactured Cummins ISL-G 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 cng 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 Cummins ISL-G Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins ISL-G engines:
- EGR cooler failures leading to coolant leaks
- Turbocharger actuator issues causing reduced power
- Fuel injector problems resulting in rough idle
- Head gasket failures from overheating
- Crankshaft position sensor failures
- Oil dilution from regeneration cycles
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
Mack Vehicle Compatibility
Cummins ISL-G engines are commonly found in these Mack vehicles:
- Anthem highway trucks
- Pinnacle sleeper trucks
- Granite vocational trucks
- TerraPro refuse trucks
- LR refuse trucks
- MD Series medium-duty 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: 2014 Mack LEU Cummins ISL-G Remanufactured Engine
A remanufactured Cummins ISL-G 8.9L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2014 Mack LEU. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Cummins ISL-G remanufactured long block for your 2014 Mack LEU, 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 Cummins ISL-G 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 Mack LEU Engines
Other model years available for the Mack LEU
2016 Mack LEU
Mack MP7 10.8L
2013 Mack LEU
Mack MP7 10.8L
2015 Mack LEU
Cummins ISL-G 8.9L
2012 Mack LEU
Cummins ISL-G 8.9L
2009 Mack LEU
Mack MP7 10.8L
2010 Mack LEU
Mack MP7 10.8L
2015 Mack LEU
Mack MP7 10.8L
2008 Mack LEU
Mack MP7 10.8L
Vehicles with Cummins ISL-G Engine
This same engine is also available for these vehicles
2009 American LaFrance Condor
ISL-G 8.9L CNG
2011 Mack MRU
ISL-G 8.9L CNG
2013 Freightliner M2 112
ISL-G 8.9L CNG
2017 Freightliner 114SD
ISL-G 8.9L CNG
2005 Autocar LLC. Xpeditor WX
ISL-G 8.9L CNG
2013 Freightliner 114SD
ISL-G 8.9L CNG
2013 Volvo VNM
ISL-G 8.9L CNG
2010 Crane Carrier Low Entry
ISL-G 8.9L CNG
More Mack Engines
Browse other Mack models with remanufactured engines
2006 Mack CHN
1996 Mack RD
Mack E7 11.9L
1984 Mack CF
Mack EM6 11.0L
1988 Mack RW
Mack E9 16.4L
1989 Mack RD
Cummins N14 14.0L
1990 Mack MH
Mack E9 16.4L
1987 Mack MR
Mack EM6 11.0L
1991 Mack MH
Mack E7 11.9L
More Cummins Engines
Explore other Cummins engine models we carry
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Cummins ETK 6.7L DIESEL
2014 Freightliner S2C
Cummins ISB 6.7 6.7L DIESEL
2003 Emergency One Emergency One
Cummins ISM 10.8 10.8L DIESEL
2016 Ram 3500
Cummins ETK 6.7L DIESEL
2016 Ram 3500
Cummins ETK 6.7L DIESEL
2020 Kenworth T800
Cummins ISM 10.8 10.8L DIESEL
1995 Western Star 4800
Cummins N14 14.0L DIESEL
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Buy Cummins ISL-G Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our ISL-G remanufactured long blocks for Mack 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 2014 Mack LEUor 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
