2012 Western Star 4900SA DD15 14.8 Detroit Diesel Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Detroit Diesel DD15 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2012 Western Star 4900SA? US Engine Production offers premium remanufactured Detroit Diesel DD15 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 Detroit Diesel DD15 Problems We Address
Our remanufacturing process specifically addresses these known issues with Detroit Diesel DD15 engines:
- EGR valve failures
- Turbo compound unit issues
- Fuel doser problems
- DPF sensor failures
- Oil separator issues
- Coolant leaks from EGR cooler
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 Western Star 4900SA Detroit Diesel DD15 Remanufactured Engine
A remanufactured Detroit Diesel DD15 14.8L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2012 Western Star 4900SA. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Detroit Diesel DD15 remanufactured long block for your 2012 Western Star 4900SA, call our engine specialists at (631) 991-7700 or request a quote online. We offer competitive pricing with free nationwide shipping.
What Our Customers Say
Trusted by thousands of customers nationwide
"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."
"Fast shipping and the engine was exactly as described. Installation went smoothly and it's been running great for 6 months now."
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 Detroit Diesel DD15 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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2012 Western Star 4900SA
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Vehicles with Detroit Diesel DD15 Engine
This same engine is also available for these vehicles
2021 Freightliner Coronado
DD15 14.8L DIESEL
2011 Western Star 4900EX
DD15 14.8L DIESEL
2011 Western Star 4900EX
DD15 14.8L DIESEL
2015 Freightliner Coronado
DD15 14.8L DIESEL
2008 Sterling Truck A9500
DD15 14.8L DIESEL
2022 Freightliner Coronado
DD15 14.8L DIESEL
2016 Freightliner Cascadia
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2017 Freightliner Cascadia
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Browse other Western Star models with remanufactured engines
2010 Western Star 4900SA
2015 Western Star 4900SA
Cummins ISX 15.0 15L
1982 Western Star 4800
Caterpillar 3406 14.6L
2015 Western Star 4900EX
Cummins ISX 15.0 15L
2006 Western Star 4900SA
Cummins ISX 15.0 15L
1991 Western Star 4900
Caterpillar 3306 10.5L
2003 Western Star 4900FA
Cummins ISX 15.0 15L
1999 Western Star 5900
Caterpillar C10 10.3L
More Detroit Diesel Engines
Explore other Detroit Diesel engine models we carry
2005 Western Star 4900FA
Detroit Diesel Series 60 12.7L DIESEL
1992 Stewart & Stevenson H40
Detroit Diesel 6V-92N 9L DIESEL
1994 International 8200
Detroit Diesel Series 60 12.7L DIESEL
1981 Kenworth W900
Detroit Diesel 8V-92 12.1L DIESEL
1984 Kenworth C500
Detroit Diesel Jun-71 7L DIESEL
1988 Chevrolet C70
Detroit Diesel 8.2L DIESEL
1990 Gillig City Transit
Detroit Diesel 6V-92N 9L DIESEL
2003 Seagrave Fire Apparatus L
Detroit Diesel Series 60 12.7L DIESEL
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Other diesel engines with similar specifications
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Buy Detroit Diesel DD15 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Detroit Diesel long block engines. Our DD15 remanufactured long blocks for Western Star 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 Western Star 4900SAor 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.
