1981 GMC Astro 8V-71 9.3 Detroit Diesel Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Detroit Diesel 8V-71 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 1981 GMC Astro? US Engine Production offers premium remanufactured Detroit Diesel 8V-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 8V-71 Problems We Address
Our remanufacturing process specifically addresses these known issues with Detroit Diesel 8V-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
GMC Vehicle Compatibility
Detroit Diesel 8V-71 engines are commonly found in these GMC vehicles:
- Sierra 1500, 2500HD, 3500HD trucks
- Canyon compact trucks
- Savana cargo and passenger vans
- Yukon and Yukon XL SUVs
- Acadia and Terrain crossovers
- TopKick and commercial 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: 1981 GMC Astro Detroit Diesel 8V-71 Remanufactured Engine
A remanufactured Detroit Diesel 8V-71 9.3L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 1981 GMC Astro. 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 8V-71 remanufactured long block for your 1981 GMC Astro, 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 8V-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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Other model years available for the GMC Astro
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1982 GMC Astro
Cummins N14 14.0L
1984 GMC Astro
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1985 GMC Astro
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1986 GMC Astro
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1988 GMC Astro
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Vehicles with Detroit Diesel 8V-71 Engine
This same engine is also available for these vehicles
1983 GMC General
8V-71 9.3L DIESEL
1998 Sutphen Corp. Special
8V-71 9.3L DIESEL
1985 GMC General
8V-71 9.3L DIESEL
1985 Peterbilt 310
8V-71 9.3L DIESEL
1988 Sutphen Corp. Special
8V-71 9.3L DIESEL
1985 GMC General
8V-71 9.3L DIESEL
1982 Peterbilt 362
8V-71 9.3L DIESEL
1985 Autocar ACL
8V-71 9.3L DIESEL
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1997 GMC C1500
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1988 GMC G1500
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1981 GMC C1500 Suburban
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1999 GMC Sonoma
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2009 Freightliner Century Class
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1985 GMC C6000
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1981 Freightliner FLT086
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Buy Detroit Diesel 8V-71 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Detroit Diesel long block engines. Our 8V-71 remanufactured long blocks for GMC 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 GMC Astroor 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
