fits model: Turbo. make: Chevy, Gmc, Hummer.

( Brand: Chevy ), ( Manufacturer Part Number: 12555509 ), ( Part Type: Engine Block ), ( Engine Size: 6.5 L ), ( Number Of Valves: 16 ), ( Fuel Type: Diesel )
The 12555509 Chevy GMC Hummer diesel engine block is a high-quality replacement part for your diesel-powered Hummer. This engine block is specifically designed for the 6.6L Duramax LB7 and LLY engines, which were used in various Chevy and GMC trucks and SUVs, including the Hummer H1 and H2.
The Chevy GMC Hummer diesel engine block is made from cast iron, which provides superior strength and durability. It is precision-machined to ensure a perfect fit with your engine, and it features a fully-machined and honed cylinder bore for a smooth, efficient operation.
This engine block also features a reinforced main web and water jackets to help dissipate heat and prevent warping. It is also equipped with a high-pressure oil gallery, which helps to lubricate the critical components of the engine and extend its lifespan.
The Chevy GMC Hummer diesel engine block is also compatible with factory turbochargers and comes with all necessary hardware for installation. It is backed by a warranty to give you peace of mind and ensure that you are getting a high-quality product that will last.
Overall, the 12555509 Chevy GMC Hummer diesel engine block is a great replacement part for your Hummer. It is made from durable cast iron, precision-machined for a perfect fit, and equipped with features to ensure efficient and reliable operation. With its compatibility with factory turbochargers and warranty, you can trust that this engine block will keep your Hummer running strong for years to come.
Pros of buying a 12555509 Chevy/GMC Hummer diesel engine block (GM turbo):1. Durability: Diesel engines are known for their durability and reliability. They can handle heavy loads and extreme conditions, which makes them suitable for off-road and towing applications.
2. Fuel Efficiency: Diesel engines are more fuel-efficient than gasoline engines, especially when it comes to towing or hauling heavy loads. This can save you money in the long run.
3. Power: Diesel engines produce a lot of torque, which means they can deliver powerful acceleration and towing capabilities.
Cons of buying a 12555509 Chevy/GMC Hummer diesel engine block (GM turbo):1. Cost: Diesel engines can be more expensive to purchase, maintain, and repair than gasoline engines. This is due to the complexity of the engine and the fact that diesel fuel is more expensive.
2. Emissions: Diesel engines produce more harmful emissions than gasoline engines, including nitrogen oxides and particulate matter. This can lead to air pollution and health problems.
3. Limited Availability: Diesel engines are not as commonly available as gasoline engines, which can make it harder to find replacement parts or repair services.
Conclusion:If you need an engine block for a heavy-duty application, such as towing or off-roading, a 12555509 Chevy/GMC Hummer diesel engine block (GM turbo) could be a good choice due to its durability, fuel efficiency, and power. However, you should be prepared for the higher cost of ownership and the potential for limited availability of replacement parts or repair services. It's recommended to do thorough research and comparison before making a purchase.
This is a GM 6.5L diesel Engine Block. It is in great condition. Think customer bought a used engine instead of going with the rebuild.
It has been bored and honed .030 .75mm over, resurfaced line. Time for it to go.