2012 Peterbilt 388 ISX 15.0 15.0 Cummins Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Cummins ISX 15.0 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2012 Peterbilt 388? US Engine Production offers premium remanufactured Cummins ISX 15.0 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 Cummins ISX 15.0 Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins ISX 15.0 engines:
- EGR valve carbon buildup causing performance issues
- Turbo compound unit failures
- Injector cup erosion leading to coolant contamination
- Camshaft and lifter wear
- Oil pump gear failures
- DPF regeneration problems
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
Peterbilt Vehicle Compatibility
Cummins ISX 15.0 engines are commonly found in these Peterbilt vehicles:
- Model 579 highway trucks
- Model 389 classic trucks
- Model 567 vocational trucks
- Model 520 refuse trucks
- Model 348 medium-duty trucks
- Model 337 delivery 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 Peterbilt 388 Cummins ISX 15.0 Remanufactured Engine
A remanufactured Cummins ISX 15.0 15.0L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2012 Peterbilt 388. 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 ISX 15.0 remanufactured long block for your 2012 Peterbilt 388, 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 ISX 15.0 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 Peterbilt 388 Engines
Other model years available for the Peterbilt 388
2011 Peterbilt 388
Cummins ISM 10.8 10.8L
2015 Peterbilt 388
Cummins ISX 15.0 15.0L
2011 Peterbilt 388
Cummins ISX 11.9 11.9L
2008 Peterbilt 388
Cummins ISX 15.0 15.0L
2013 Peterbilt 388
PACCAR MX 12.9L
2009 Peterbilt 388
Cummins ISM 10.8 10.8L
2014 Peterbilt 388
Cummins ISX 11.9 11.9L
2008 Peterbilt 388
Caterpillar C13 12.5L
Vehicles with Cummins ISX 15.0 Engine
This same engine is also available for these vehicles
2013 Freightliner Cascadia
ISX 15.0 15.0L DIESEL
2002 Freightliner Columbia
ISX 15.0 15.0L DIESEL
2000 Kenworth C500
ISX 15.0 15.0L DIESEL
1999 Kenworth W900
ISX 15.0 15.0L DIESEL
2004 Peterbilt 385
ISX 15.0 15.0L DIESEL
2002 Volvo VNL
ISX 15.0 15.0L DIESEL
2009 Volvo VNL
ISX 15.0 15.0L DIESEL
2009 Peterbilt 389
ISX 15.0 15.0L DIESEL
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Browse other Peterbilt models with remanufactured engines
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2001 Peterbilt 385
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2002 Peterbilt 362
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1999 Peterbilt 376
Cummins N14 14.0L
2016 Peterbilt 389
Cummins ISX 15.0 15.0L
1991 Peterbilt 378
Caterpillar 3306 10.5L
1999 Peterbilt 357
Cummins M11 10.8L
2003 Peterbilt 378
Caterpillar C12 12.0L
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1990 White/GMC WCS
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2001 Spartan Motors Advantage
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2001 Freightliner FLD132
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Buy Cummins ISX 15.0 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our ISX 15.0 remanufactured long blocks for Peterbilt 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 Peterbilt 388or 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.
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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
