2002 GMC B7 3126 7.2 Caterpillar Remanufactured Long Block Engine
DIESEL • Dyno Tested • Warranty Included

About This Caterpillar 3126 Remanufactured Long Block
Looking for a quality remanufactured long block engine for your 2002 GMC B7? US Engine Production offers premium remanufactured Caterpillar 3126 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 Caterpillar 3126 Problems We Address
Our remanufacturing process specifically addresses these known issues with Caterpillar 3126 engines:
- Injector o-ring failures causing fuel leaks
- HEUI pump failures affecting fuel delivery
- Turbocharger wastegate issues
- Cylinder liner pitting from coolant contamination
- Oil cooler failures
- ECM sensor failures
Our technicians use updated components and improved techniques to prevent these common failures in your remanufactured engine.
Engine Specifications
GMC Vehicle Compatibility
Caterpillar 3126 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: 2002 GMC B7 Caterpillar 3126 Remanufactured Engine
A remanufactured Caterpillar 3126 7.2L engine typically costs 40-60% less than a brand new engine from the dealer, making it the most cost-effective option for your 2002 GMC B7. The exact price depends on the specific configuration, condition of your core return, and current availability. For an accurate, no-obligation quote on a Caterpillar 3126 remanufactured long block for your 2002 GMC B7, 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
"I've bought several engines from US Engine Production over the years. Always top quality and their customer service is the best in the business."
"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."
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 Caterpillar 3126 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 B7
1999 GMC B7
General Motors LP4 7.4L
1994 GMC B7
Caterpillar 3116 6.6L
1993 GMC B7
Caterpillar 3116 6.6L
1994 GMC B7
General Motors LR0 7.0L
1998 GMC B7
General Motors LR0 7.0L
1997 GMC B7
General Motors 6.5L
2002 GMC B7
General Motors 8.1L
1995 GMC B7
General Motors LR0 7.0L
Vehicles with Caterpillar 3126 Engine
This same engine is also available for these vehicles
2000 Blue Bird All American FE
3126 7.2L DIESEL
1999 GMC C7500 Topkick
3126 7.2L DIESEL
2001 Ford F750
3126 7.2L DIESEL
2002 Freightliner FC80
3126 7.2L DIESEL
1999 Crane Carrier IRL
3126 7.2L DIESEL
2003 Peterbilt 330
3126 7.2L DIESEL
2008 Chevrolet C8500
3126 7.2L DIESEL
1997 Ford L8501
3126 7.2L DIESEL
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Browse other GMC models with remanufactured engines
2008 GMC Savana 3500
General Motors LMM 6.6L
2000 GMC Savana 3500
General Motors 7.4L
1997 GMC K1500
General Motors 4.3L
2012 GMC Sierra 1500
General Motors LC9 5.3L
1994 GMC P3500
General Motors 6.5L
2003 GMC Sierra 3500
General Motors 6.0L
1995 GMC C3500
General Motors 6.5L
2007 GMC Sierra 3500 HD
General Motors 6.0L
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Explore other Caterpillar engine models we carry
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2000 International 9900
Caterpillar 3406 14.6L DIESEL
1997 Ford LTS9000
Caterpillar 3176 10.3L DIESEL
2018 Caterpillar CT680
Caterpillar CT13 12.4L DIESEL
2006 Chevrolet C7500 Kodiak
Caterpillar C7 7.2L DIESEL
2002 Peterbilt 320
Caterpillar 3126 7.2L DIESEL
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Buy Caterpillar 3126 Remanufactured Long Block Engines
US Engine Production is your trusted source for remanufactured Caterpillar long block engines. Our 3126 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 2002 GMC B7or 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.
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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
