1997 Duplex D350 M11 10.8 Cummins Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Cummins M11 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 1997 Duplex D350? US Engine Production offers premium remanufactured Cummins M11 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 M11 Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins M11 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
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: 1997 Duplex D350 Cummins M11 Remanufactured Engine
A remanufactured Cummins M11 10.8L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 1997 Duplex D350. 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 M11 remanufactured long block for your 1997 Duplex D350, 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
"Fast shipping and the engine was exactly as described. Installation went smoothly and it's been running great for 6 months now."
"Great experience from start to finish. The price was competitive and the quality exceeded my expectations. Will definitely buy again."
"Needed an engine fast for my work truck. They had it in stock and shipped same day. Engine is running perfectly. Highly recommend!"
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 M11 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
Related Diesel Engines
Explore more remanufactured engines from our database of 473,000+ engines
More Duplex D350 Engines
Other model years available for the Duplex D350
1990 Duplex D350
Detroit Diesel 6V-92N 9.0L
1997 Duplex D350
Detroit Diesel 8V-92 12.1L
1989 Duplex D350
Detroit Diesel 6V-92N 9.0L
1988 Duplex D350
Detroit Diesel 8V-92 12.1L
1993 Duplex D350
Detroit Diesel Series 60 12.7L
1997 Duplex D350
Detroit Diesel Series 60 11.1L
1990 Duplex D350
Detroit Diesel 6V-92N 9.0L
1991 Duplex D350
Detroit Diesel 6V-92N 9.0L
Vehicles with Cummins M11 Engine
This same engine is also available for these vehicles
1999 Volvo WX
M11 10.8L DIESEL
1998 Blue Bird Wanderlodge
M11 10.8L DIESEL
2005 Gillig City Transit
M11 10.8L DIESEL
1994 Kenworth T800
M11 10.8L DIESEL
1997 Peterbilt 357
M11 10.8L DIESEL
1998 Pierce Mfg. Inc. Enclosed Cab
M11 10.8L DIESEL
1998 International F5070
M11 10.8L DIESEL
2000 International 5070
M11 10.8L DIESEL
More Duplex Engines
Browse other Duplex models with remanufactured engines
1990 Duplex D500
Detroit Diesel Series 60 12.7L
1995 Duplex D9500
Detroit Diesel Series 40 8.7L
1991 Duplex D350
Detroit Diesel 8V-92 12.1L
1992 Duplex D350
Detroit Diesel Series 60 12.7L
1994 Duplex D9500
Cummins 6CT8.3 8.3L
1990 Duplex D350
Detroit Diesel 8V-92 12.1L
1994 Duplex D9400
Caterpillar 3406 14.6L
1994 Duplex D9000
Detroit Diesel Series 40 8.7L
More Cummins Engines
Explore other Cummins engine models we carry
1997 Ford LT9513
Cummins M11 10.8L DIESEL
2003 Western Star 4900FA
Cummins ISM 10.8 10.8L DIESEL
1992 Ford LLA9000
Cummins N14 14.0L DIESEL
2002 Blue Bird All American FE
Cummins 6BT5.9 5.9L DIESEL
2009 Ford F650
Cummins ISB 200 6.7L DIESEL
2016 Van Hool TD925
Cummins ISX 11.9 11.9L DIESEL
2015 Ram 5500
Cummins ETK 6.7L DIESEL
2019 Peterbilt 367
Cummins ISX 15.0 15.0L DIESEL
Similar 10.8L DIESEL Engines
Other diesel engines with similar specifications
2001 International 5600i
Cummins ISM 10.8 DIESEL
1998 Van Hool T900
Cummins M11 DIESEL
2010 Kenworth W900
Cummins ISM 10.8 DIESEL
2010 Peterbilt 384
Cummins ISM 10.8 DIESEL
2007 Peterbilt 385
Cummins ISM 10.8 DIESEL
2009 International 8500 TranStar
Cummins ISM 10.8 DIESEL
2022 Volvo VAH
Volvo D11 DIESEL
2024 Kenworth T800
Cummins ISM DIESEL
Recently Viewed Engines
Related Searches
Buy Cummins M11 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our M11 remanufactured long blocks for Duplex 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 1997 Duplex D350or 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
