2006-2007 Chevrolet, GMC 2500/3500 6.6 LBZ Duramax Diesel Engine for Sale

If you’re looking for a reliable, high-revving diesel engine to put your truck back on the road or as a powerplant for your next project, we have you covered. We’re pleased to offer the 06-07 Chevrolet and GMC 2500/3500 6.6 LBZ Duramax Diesel Engine for sale. With proven reliability, heavy towing capability, and a reputation that has stood the test of time, this is an engine that’s in high demand among diesel owners.

Why Select the LBZ Duramax Engine?

The LBZ Duramax is generally regarded by many as one of the best diesel engines GM ever produced. Deployed in 2006 and 2007 Chevy Silverado HD and GMC Sierra HD pickup trucks, the engine combines classic ruggedness with state-of-the-art performance. It was the last of the Duramax engines before emissions requirements introduced additional complexity in the shape of diesel particulate filters (DPFs) and exhaust gas recirculation (EGR) coolers.

With the LBZ, you’re obtaining an engine that is easy to work on, powerful, and reliable—constructed to work hard and endure a long time.

We Sell the LBZ Duramax Diesel Engine

Our firm is involved in selling quality used and remanufactured 6.6 LBZ Duramax diesel engines. If you need a replacement for a damaged motor or if you want to perform a full custom build, we have the right LBZ engine to send out.

What we provide:

Full LBZ engine assemblies
Used LBZ engines with guaranteed mileage
Warranty-backed remanufactured LBZ engines
Compression-tested and inspected units
Turbocharger-included options

Each engine is thoroughly inspected and cleaned, and comes with necessary components for easy installation.

LBZ Duramax Engine Specifications

Engine Specifications

Specification	Detail
Engine Code	LBZ
Displacement	6.6L (6,599 cc)
Configuration	V8, 32-valve OHV
Fuel System	Bosch Common-Rail Direct Injection
Turbocharger	Variable Geometry Turbo (VGT)
Horsepower	360 hp @ 3,200 rpm
Torque	650 lb-ft @ 1,600 rpm
Compression Ratio	16.8:1
Fuel Type	Ultra-Low Sulfur Diesel
Cooling System	Water-cooled
Emissions Standard	Pre-DPF, Pre-SCR
Transmission Compatibility	Allison 1000 6-speed Auto

These specifications make it an ideal powerhouse for any heavy-duty use.

Applications: Which Vehicles Use the LBZ Engine?

The LBZ engine was shipped from the factory to these models:

2006 Chevrolet Silverado 2500HD / 3500HD
2006 GMC Sierra 2500HD / 3500HD
2007 Chevrolet Silverado Classic 2500HD / 3500HD
2007 GMC Sierra Classic 2500HD / 3500HD

This engine is a simple bolt-in for trucks from those years, and it’s also very popular as a swap motor into retro-style trucks, vans, and off-road projects because of its long-term reliability and aftermarket availability.

Features Which Make the LBZ Engine Noticeable

1. Heavy-Duty Internals

The block on the LBZ contains stronger connecting rods and pistons than earlier designs like the LLY. That makes it a better choice for high-performance builds.

2. Simpler Emissions System

No diesel particulate filter (DPF), selective catalytic reduction (SCR), or complex EGR coolers to worry about. That means less maintenance and better fuel economy.

3. Factory Power With Room to Grow

With 360 hp and 650 lb-ft of torque, it offers exceptional towing power. Plus, the LBZ takes well to tuning and upgrades if you’re aiming for more.

4. Proven Reliability

These engines regularly hit 300,000+ miles with proper maintenance. Our tested engines are ready for a whole lot more.

Buy a 6.6 LBZ Duramax Engine From Us

We offer used and remanufactured 6.6 LBZ Duramax engines for sale, tested and ready to roll. Every engine goes through a rigorous inspection process before being listed.

Our quality process includes:

Visual inspection for cracks or leaks
Compression testing
Turbocharger inspection
Cleaning and degreasing
Mileage verification (for used units)

Need help with installation or compatibility? Our experts are ready to guide you through your purchase.

What You Get When You Buy From Us

Depending on the package you select, our LBZ engines come with:

Long block assembly
Turbocharger
Injectors (for some units)
Wiring harness and ECU options (optional by request)

We also provide optional add-ons such as:

Engine control modules (ECM)
Transmission pairing (Allison 1000)
Shipping insurance
Extended warranty packages
Performance and Tuning Potential

The LBZ engine is not just a workhorse; it’s also a tuner’s dream. Because of its robust internal components, this engine can be safely boosted with the right mods.

Popular LBZ Upgrades:

Tuning modules and custom tunes
Upgraded turbochargers
Cold air intakes
Performance exhaust systems
Injectors and fuel pumps

With basic bolt-ons and tuning, it’s not uncommon to see LBZ builds producing 500–600+ hp.

Shipping and Delivery

We deliver engines anywhere in the United States and abroad. Every engine is properly packaged and freight-shipped to your facility or installation site.

Delivery choices include:

Residential or commercial delivery freight

Liftgate delivery service
Local pickup (when available)
Delivery times vary by location. We provide tracking and delivery support along the way.
Warranty Options

We guarantee the engines we sell. Our remanned LBZ engines come with warranty options of 6 months to 2 years, depending on build and usage.

Warranty coverage may include:

Internal engine components
Turbocharger (if so equipped)
Labor reimbursement (with extended warranty)

Used engines can also be qualified for limited warranties. Contact us for specific unit information.

Customer Reviews & Testimonials

“Bought an LBZ from here for my ’06 Silverado—ran like a champ right out of the crate. Very clean engine, great customer support. Would definitely recommend.” – Brian L., Texas

“They helped me find a reman LBZ for my swap project. Engine looked brand new. I’ve put over 20,000 miles on it already, no issues.” – Chris M., Utah

We take pride in delivering engines that exceed expectations.

Common Questions (FAQ)

Q: How do I know this engine will fit in my truck?
A: LBZ engine has a direct replacement for 2006–2007 Chevy/GMC 2500HD/3500HD trucks. We can verify the swaps’ compatibility.

Q: Can I perform the install myself?
A: If you have mechanical skills, yes. It is recommended for professional installation to achieve best results.

Q: Do you offer financing?
A: Financing options are available to pre-qualified buyers.

Q: What mileage do your used engines have?
A: Mileage is variable. The majority of our used units are 100,000–200,000 miles and are tested.

Q: Do you offer complete drop-in kits?
A: Yes, call us for full packages with engine, transmission, ECM, and wiring.

Contact Us Today to Order Your LBZ Engine

Ready to give your vehicle a boost? Don’t let the opportunity slip away to own a proven, high-output 6.6L LBZ Duramax diesel engine. If you’re replacing an engine or starting a new build, we have the perfect unit for you.

Call now to ask about availability- Email us for a custom quote – Fast, secure shipping in the U.S. and overseas

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6.6L Duramax engine

06 07 CHEVROLET GMC 2500 3500 6.6 LBZ DURAMAX DIESEL ENGINE