1986 GMC W7500 Forward 6BD1 5.8 Isuzu Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Isuzu 6BD1 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 1986 GMC W7500 Forward? US Engine Production offers premium remanufactured Isuzu 6BD1 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 Isuzu 6BD1 Problems We Address
Our remanufacturing process specifically addresses these known issues with Isuzu 6BD1 engines:
- Fuel injector failures affecting performance
- Turbocharger wear and failures
- EGR system problems
- Glow plug failures in cold weather
- Fuel pump issues
- Head gasket failures from overheating
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
GMC Vehicle Compatibility
Isuzu 6BD1 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: 1986 GMC W7500 Forward Isuzu 6BD1 Remanufactured Engine
A remanufactured Isuzu 6BD1 5.8L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 1986 GMC W7500 Forward. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Isuzu 6BD1 remanufactured long block for your 1986 GMC W7500 Forward, 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
"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!"
"Excellent quality engine at a great price. The team was very helpful in finding the right engine for my truck. Shipped fast and arrived in perfect condition."
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 Isuzu 6BD1 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 GMC W7500 Forward Engines
Other model years available for the GMC W7500 Forward
1991 GMC W7500 Forward
Isuzu 6SA1 8.4L
1989 GMC W7500 Forward
Isuzu 6SA1 8.4L
1985 GMC W7500 Forward
Isuzu 6BD1 5.8L
1994 GMC W7500 Forward
Isuzu 6BG1 6.5L
1990 GMC W7500 Forward
Isuzu 6SA1 8.4L
1993 GMC W7500 Forward
Isuzu 6BG1 6.5L
1988 GMC W7500 Forward
Isuzu 6BD1 5.8L
1987 GMC W7500 Forward
Isuzu 6SA1 8.4L
Vehicles with Isuzu 6BD1 Engine
This same engine is also available for these vehicles
1987 Isuzu FSR
6BD1 5.8L DIESEL
1985 Chevrolet W7500 Tiltmaster
6BD1 5.8L DIESEL
1990 GMC W6500 Forward
6BD1 5.8L DIESEL
1986 Isuzu LT
6BD1 5.8L DIESEL
1991 GMC W7500 Forward
6BD1 5.8L DIESEL
1985 Isuzu MR
6BD1 5.8L DIESEL
1987 Isuzu FSR
6BD1 5.8L DIESEL
1985 Isuzu MR
6BD1 5.8L DIESEL
More GMC Engines
Browse other GMC models with remanufactured engines
1988 GMC K2500
General Motors 5.0L
1995 GMC G3500
General Motors 5.7L
2006 GMC C7500 Topkick
General Motors L18 8.1L
2000 GMC Savana 2500
General Motors L65 6.5L
1985 GMC G3500
General Motors 5.7L
2007 GMC Sierra 2500 HD Classic
General Motors LBZ 6.6L
1988 GMC V3500
General Motors 5.7L
1984 GMC G3500
General Motors 4.1L
More Isuzu Engines
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1985 Chevrolet S10
Isuzu 1.9L GAS
2012 Isuzu NPR
Isuzu 4JJ1 3.0L DIESEL
2004 GMC T7500
Isuzu 6HK1-TC 7.8L DIESEL
1985 GMC S15
Isuzu 1.9L GAS
2007 Chevrolet W3500 Tiltmaster
Isuzu 4HK1 5.2L DIESEL
Similar 5.8L DIESEL Engines
Other diesel engines with similar specifications
1989 Chevrolet W6500 Tiltmaster
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Buy Isuzu 6BD1 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Isuzu long block engines. Our 6BD1 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 1986 GMC W7500 Forwardor 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
