2015 Kenworth T400 ISL 8.9 8.9 Cummins Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Cummins ISL 8.9 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2015 Kenworth T400? US Engine Production offers premium remanufactured Cummins ISL 8.9 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 ISL 8.9 Problems We Address
Our remanufacturing process specifically addresses these known issues with Cummins ISL 8.9 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
Kenworth Vehicle Compatibility
Cummins ISL 8.9 engines are commonly found in these Kenworth vehicles:
- T680 highway trucks
- W900 classic trucks
- T880 vocational trucks
- T370 medium-duty trucks
- K270/K370 cabover trucks
- T440/T470 work 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: 2015 Kenworth T400 Cummins ISL 8.9 Remanufactured Engine
A remanufactured Cummins ISL 8.9 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 2015 Kenworth T400. 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 8.9 remanufactured long block for your 2015 Kenworth T400, 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
"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."
"Great experience from start to finish. The price was competitive and the quality exceeded my expectations. Will definitely buy again."
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 8.9 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 Kenworth T400 Engines
Other model years available for the Kenworth T400
1993 Kenworth T400
Caterpillar 3306 10.5L
1982 Kenworth T400
Cummins N14 14L
1998 Kenworth T400
Detroit Diesel Series 50 8.5L
2012 Kenworth T400
Cummins ISL 8.9 8.9L
1989 Kenworth T400
Cummins L10 10L
1996 Kenworth T400
Caterpillar 3306 10.5L
2024 Kenworth T400
PACCAR PX-9 8.9L
1994 Kenworth T400
Caterpillar 3176 10.3L
Vehicles with Cummins ISL 8.9 Engine
This same engine is also available for these vehicles
2001 Freightliner XC
ISL 8.9 8.9L DIESEL
2022 Freightliner XC Modular Rail
ISL 8.9 8.9L DIESEL
2014 Crane Carrier Low Entry
ISL 8.9 8.9L DIESEL
2015 Gillig Low Floor
ISL 8.9 8.9L DIESEL
2024 Freightliner 108SD
ISL 8.9 8.9L DIESEL
2018 Freightliner 108SD
ISL 8.9 8.9L DIESEL
2006 American LaFrance ALF Eagle
ISL 8.9 8.9L DIESEL
2016 Autocar LLC. Xpert
ISL 8.9 8.9L DIESEL
More Kenworth Engines
Browse other Kenworth models with remanufactured engines
2024 Kenworth T880
Cummins ISM 10.8L
1988 Kenworth W900
Detroit Diesel Series 60 12.7L
2017 Kenworth T880
PACCAR MX-11 10.8L
2022 Kenworth T370
PACCAR PX-8 8.3L
1986 Kenworth K100E
Caterpillar 3306 10.5L
2010 Kenworth T800
Caterpillar C11 11.1L
1996 Kenworth T600A
Caterpillar 3176 10.3L
1999 Kenworth T2000
Caterpillar C12 12L
More Cummins Engines
Explore other Cummins engine models we carry
2001 Peterbilt 320
Cummins 6CT8.3 8.3L DIESEL
1989 White/GMC WCA
Cummins L10 10L DIESEL
1981 Freightliner FLT086
Cummins N14 14L DIESEL
1990 International 5070
Cummins L10 10L DIESEL
2019 IC Corporation CE School Bus
Cummins ISB 5.9L DIESEL
2010 Orion Bus Orion VII
Cummins ISL-G 8.9L CNG
1994 Ford LLA9000
Cummins N14 14L DIESEL
2000 Volvo ACL
Cummins N14 14L DIESEL
Similar 8.9L DIESEL Engines
Other diesel engines with similar specifications
2017 Kenworth T370
PACCAR PX-9 DIESEL
2013 Freightliner M2 106
Cummins ISL-365 DIESEL
2003 Autocar LLC. Xpeditor WXLL
Cummins ISL 8.9 DIESEL
2014 Kenworth W900
PACCAR PX-9 DIESEL
2017 Freightliner XC Raised Rail
Cummins ISL 8.9 DIESEL
2018 Kenworth W900
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2012 Peterbilt 382
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2016 Spartan Motors Gladiator
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Buy Cummins ISL 8.9 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Cummins long block engines. Our ISL 8.9 remanufactured long blocks for Kenworth 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 2015 Kenworth T400or 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.
