1981 Autocar ACL Jun-71 7.0 Detroit Diesel Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Detroit Diesel Jun-71 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 1981 Autocar ACL? US Engine Production offers premium remanufactured Detroit Diesel Jun-71 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 Jun-71 Problems We Address
Our remanufacturing process specifically addresses these known issues with Detroit Diesel Jun-71 engines:
- EGR cooler failures
- Turbocharger actuator issues
- Injector problems causing white smoke
- Oil cooler failures
- Crankshaft position sensor failures
- DPF regeneration issues
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: 1981 Autocar ACL Detroit Diesel Jun-71 Remanufactured Engine
A remanufactured Detroit Diesel Jun-71 7.0L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 1981 Autocar ACL. 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 Jun-71 remanufactured long block for your 1981 Autocar ACL, 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
"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 Detroit Diesel Jun-71 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 Autocar ACL Engines
Other model years available for the Autocar ACL
1985 Autocar ACL
Detroit Diesel 8V-71 9.3L
1985 Autocar ACL
Cummins L10 10.0L
1986 Autocar ACL
Detroit Diesel Jun-71 7.0L
1988 Autocar ACL
Cummins L10 10.0L
1984 Autocar ACL
Caterpillar 3306 10.5L
1983 Autocar ACL
Cummins N14 14.0L
1986 Autocar ACL
Detroit Diesel 6V-92N 9.0L
1984 Autocar ACL
Detroit Diesel 6V-92N 9.0L
Vehicles with Detroit Diesel Jun-71 Engine
This same engine is also available for these vehicles
1985 White WX
Jun-71 7.0L DIESEL
1982 Peterbilt 310
Jun-71 7.0L DIESEL
1988 Pierce Mfg. Inc. Enclosed Cab
Jun-71 7.0L DIESEL
1990 Pierce Mfg. Inc. Enclosed Cab
Jun-71 7.0L DIESEL
1993 Transportation Mfg Corp. T806
Jun-71 7.0L DIESEL
1987 GMC General
Jun-71 7.0L DIESEL
1985 Ford LN9000
Jun-71 7.0L DIESEL
1986 Ford LTL9000
Jun-71 7.0L DIESEL
More Autocar Engines
Browse other Autocar models with remanufactured engines
1985 Autocar AT
Caterpillar 3406 14.6L
1986 Autocar DK
Detroit Diesel 6V-92N 9.0L
1984 Autocar ACL
Caterpillar 3406 14.6L
1987 Autocar DS
Caterpillar 3208 10.4L
1987 Autocar DK
Caterpillar 3208 10.4L
1985 Autocar ACL
Detroit Diesel 8V-71 9.3L
1984 Autocar DK
Detroit Diesel 8V-92 12.1L
1985 Autocar ACL
Detroit Diesel 6V-92N 9.0L
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2013 Western Star 6900XD
Detroit Diesel Series 60 14.0L DIESEL
1989 White/GMC WCL
Detroit Diesel Series 60 12.7L DIESEL
1996 Freightliner FLD120
Detroit Diesel Series 60 12.7L DIESEL
1999 Motor Coach Industries 102EL3
Detroit Diesel Series 60 12.7L DIESEL
1999 Sterling Truck A9522
Detroit Diesel Series 60 12.7L DIESEL
Similar 7.0L DIESEL Engines
Other diesel engines with similar specifications
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Buy Detroit Diesel Jun-71 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Detroit Diesel long block engines. Our Jun-71 remanufactured long blocks for Autocar 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 1981 Autocar ACLor 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
