Engines

DFC Diesel Rebuilders prides itself in being the highest quality product on the market. This is why we can back our engines with a 5 year 160,000km warranty that we stand behind.

Our engines have been re-manufactured to factory specs using all new industry recognized name brand parts that meet and exceed OEM specifications. The block has been professionally machined and bored for use with the next over-sized piston NO SLEEVES ARE USED.

All New OEM or equivalent pistons, rings, and gaskets are used to ensure quality and consistency of our engines. Our Re-manufactured Cylinder Heads have all new seats, guides, valves, and stem seals as well as being resurfaced and magnafluxed.

Short Block Engines include:

• Front Cover with Seal
• Rear Cover with main seal
• Oil pan
• All internal components
• Complete gasket kit for installation

All remanufactured engines are serviced with Rottler CNC machining, which guarantees high quality results.

To learn more about Rottler’s innovative, industry leading machines please visit: www.rottlermfg.com

DFC Diesel Rebuilders prides itself on being the highest quality product on the market. This is why we can back our engines with a 5-year 160,000km warranty that we stand behind.

The 2006 – 2007 6.6L Duramax diesel engines are legendary for their power, reliability, and rugged performance. Unlike newer models designed with strict emission control systems, the LBZ Duramax engine offers a pure driving experience, free from unnecessary constraints that can impact your fuel economy and reduce the lifespan. Made for medium to heavy-duty use, the LBZ Duramax features a thicker engine block casting, stronger connecting rods, and a higher-pressure common-rail fuel system design.

Our engines have been re-manufactured to factory specs using all new industry-recognized name-brand parts that meet and exceed OEM specifications. The block has been professionally machined and bored for use with the next over-sized piston NO SLEEVES ARE USED. 

All New OEM or equivalent pistons, rings, and gaskets are used to ensure the quality and consistency of our engines. Our Re-manufactured Cylinder Heads have all new seats, guides, valves, and stem seals, as well as being resurfaced and magnafluxed.

What is included in the LBZ Duramax Diesel Engine?

Short Block Engines include:

• Front Cover with Seal
• Rear Cover with main seal
• Oil pan
• All internal components
• Complete gasket kit for installation

All remanufactured engines are serviced with Rottler CNC machining, which guarantees high quality results.

To learn more about Rottler’s innovative, industry leading machines please visit: www.rottlermfg.com

Looking for a reliable and powerful engine for your diesel truck? The LLY Duramax engine is a top choice for many drivers. Introduced in the 2004 model year, this V8 engine boasts impressive features that enhance performance and drivability.

• Improved Emissions: The LLY Duramax is equipped with advanced emissions control technology, reducing pollutants while delivering accessible torque.
• High Performance: With 310 horsepower and an overhead valve configuration, the Duramax LLY offers substantial power. It’s capable of achieving the highest additional horsepower from tuning among Duramax engines.
• Durability Upgrades: Key improvements include an EDM oil pump shaft with a hardened dowel and enhanced gasket sealing in common leak areas, ensuring long-lasting reliability.

If you’re searching for an LLY Duramax for sale, explore our selection to find the perfect fit for your truck. Boost your vehicle’s performance with an LLY Duramax engine today!

The DFC Difference

DFC Diesel Rebuilders prides itself in being the highest quality product on the market. This is why we can back our engines with a 5 year 160,000km warranty that we stand behind.

Our engines have been re-manufactured to factory specs using all new industry recognized name brand parts that meet and exceed OEM specifications. The block has been professionally machined and bored for use with the next over-sized piston NO SLEEVES ARE USED.

All New OEM or equivalent pistons, rings, and gaskets are used to ensure quality and consistency of our engines. Our Re-manufactured Cylinder Heads have all new seats, guides, valves, and stem seals as well as being resurfaced and magnafluxed.

What to expect from a DFC 6.6L LLY Diesel Engine

Short Block Engines include:

• Front Cover with Seal
• Rear Cover with main seal
• Oil pan
• All internal components
• Complete gasket kit for installation

All remanufactured engines are serviced with Rottler CNC machining, which guarantees high quality results.

To learn more about Rottler’s innovative, industry leading machines please visit: www.rottlermfg.com

Superior Performance with the LB7 Duramax Long Block

The LB7 Duramax long block is a trusted choice for those seeking a reliable and powerful diesel engine. Engineered for smooth performance and longevity, each LB7 long block is meticulously crafted to meet high standards.

• Enhanced Oil System: This system features an EDM oil pump shaft with a hardened dowel, which prevents slipping and ensures consistent oil pressure.
• Balanced and Smooth: Machined with near-identical weight pistons and connecting rod assemblies for a smoother, more balanced engine that minimizes road noise.
• Reinforced Internals: Comes with new pistons, rings, bearings, and rods, providing reinforced durability and performance.

If you’re in the market for an LB7 long block for sale, explore our inventory. Get the power and reliability you need with an LB7 Duramax long block.

The DFC Difference

DFC Diesel Rebuilders prides itself in being the highest quality product on the market. This is why we can back our engines with a 5 year 160,000km warranty that we stand behind.

Our engines have been re-manufactured to factory specs using all new industry recognized name brand parts that meet and exceed OEM specifications. The block has been professionally machined and bored for use with the next over-sized piston NO SLEEVES ARE USED.

DFC Diesel Rebuilders prides itself in being the highest quality product on the market. This is why we can back our engines with a 5 year 160,000km warranty that we stand behind.

Our engines have been re-manufactured to factory specs using all new industry recognized name brand parts that meet and exceed OEM specifications. The block has been professionally machined and bored for use with the next over-sized piston NO SLEEVES ARE USED.

All New OEM or equivalent pistons, rings, and gaskets are used to ensure quality and consistency of our engines. Our Re-manufactured Cylinder Heads have all new seats, guides, valves, and stem seals as well as being resurfaced and magnafluxed.

Short Block Engines include:

• Front Cover with Seal
• Rear Cover with main seal
• Oil pan
• All internal components
• Complete gasket kit for installation

All remanufactured engines are serviced with Rottler CNC machining, which guarantees high quality results.

To learn more about Rottler’s innovative, industry leading machines please visit: www.rottlermfg.com

DFC Diesel Rebuilders prides itself in being the highest quality product on the market. This is why we can back our engines with a 5 year 160,000km warranty that we stand behind.

Our engines have been re-manufactured to factory specs using all new industry recognized name brand parts that meet and exceed OEM specifications. The block has been professionally machined and bored for use with the next over-sized piston NO SLEEVES ARE USED.

All New OEM or equivalent pistons, rings, and gaskets are used to ensure quality and consistency of our engines. Our Re-manufactured Cylinder Heads have all new seats, guides, valves, and stem seals as well as being resurfaced and magnafluxed.

Short Block Assembly Includes:

• Block
• Internal components
• Front & rear cover
• Oil pan
• Complete gasket kit for long block installation.

Long Block Assembly Includes:

• Reman’d cylinder head
• Block
• Internal Components
• Front & Rear Cover
• Oil Pan
• Complete gasket kit for long block installation.

All remanufactured engines are serviced with Rottler CNC machining, which guarantees high quality results.

To learn more about Rottler’s innovative, industry leading machines please visit: www.rottlermfg.com