12555549 GM DETROIT Diesel Engine Turbo Chevrolet

Review GM DETROIT Chevrolet 6.5 Diesel Complete Engine for CHEVROLET TURBO 1993

The GM Detroit 12555549 is a 6.5-liter turbocharged diesel engine manufactured by General Motors for various applications, including the 1993 Chevrolet pickup trucks and SUVs. This engine is also known as the 6.5L V8 Turbo Diesel or LB7 engine.

The 6.5L diesel engine boasts a powerful output, delivering 210 horsepower at 3,400 RPM and a torque rating of 410 lb-ft at 1,800 RPM. This powertrain offers impressive performance and excellent fuel efficiency for heavy-duty use.

The engine block is made of cast iron, which provides superior strength and durability. The cylinder heads are also made of cast iron and feature four valves per cylinder. The engine uses a forged steel crankshaft and connecting rods, ensuring reliable operation even under heavy loads.

The turbocharger system, which includes a Garrett turbocharger, enhances the engine's power output by compressing the intake air before it enters the engine. This results in increased horsepower and torque, providing better performance and responsiveness.

The engine's fuel system utilizes a Bosch fuel injection system, which delivers diesel fuel directly into the combustion chamber via high-pressure fuel injectors. This system ensures precise fuel delivery, efficient combustion, and reduced emissions.

The 6.5L turbo diesel engine is equipped with a liquid-cooled Exhaust Gas Recirculation (EGR) system, which helps reduce nitrogen oxide emissions by recirculating a portion of the engine's exhaust gases back into the intake air. This system contributes to the engine's compliance with emission regulations.

The engine features a cast iron timing gear cover, accessory drive system, and oil pan. The cooling system includes a heavy-duty radiator, water pump, and thermostat. The engine also comes with a heavy-duty power steering system and a heavy-duty automatic transmission.

This 6.5L turbo diesel engine is a robust and dependable powertrain, suitable for heavy-duty applications. With its impressive power output, excellent fuel efficiency, and durable design, it offers outstanding performance and reliability for various commercial and industrial uses.

The 1993 Chevrolet 6.5 turbo diesel engine with the GM part number 12555549 and 10149599 is a powerful and durable powertrain option for those seeking high performance from their vehicles. Here are some pros and cons that may help in making a decision:

1. Powerful: With a 6.5-liter displacement and a turbocharger, this engine delivers impressive torque and horsepower.

2. Durability: Known for their longevity, these diesel engines are popular choices among those who want a reliable powertrain.

3. Fuel Efficiency: Diesel engines are generally more fuel-efficient than their gasoline counterparts, which can save money on fuel costs over time.

4. Versatile: These engines are suitable for various vehicle applications, including trucks and heavy-duty vehicles.

1. Maintenance: Diesel engines require more maintenance than gasoline engines, including regular fuel filter changes and emissions system checks.

2. Emissions: Diesel engines produce higher levels of pollutants, including nitrogen oxides and particulate matter, which can negatively impact the environment and contribute to health concerns.

3. Cost: Diesel engines can be more expensive to purchase and install than gasoline engines due to their complexity and higher fuel costs.

In conclusion, the 1993 Chevrolet 6.5 turbo diesel engine with part numbers 12555549 and 10149599 offers significant power and durability but comes with higher maintenance requirements, increased emissions, and a higher cost. Depending on your specific use case and priorities, this engine may be a worthwhile investment for those seeking high performance and fuel efficiency. However, it is essential to consider the added costs and maintenance requirements before making a decision. Ultimately, the choice depends on your vehicle application, budget, and personal preferences.

Details:

The date code on the valve cover shows 8/19. This is a used engine from 2016 ford van. It turns over very good. This engine has two broken exhaust manifold bolts.

To find the terminal for your zip, just shoot me a message with zip code. This engine is being sold as a rebuild able core. This engine is being sold as a core to be rebuilt only. The engine is not cracked, it turns over smoothly 360 degrees.

This is a non-erg engine. This is a used pull-out 1993 Chevrolet 6.5 Turbo diesel engine. It would make a great flat-rate builder. They will load your truck.

The engine is not damaged. It may actually run because of where it came from. Intake and throttle body will have to be changed for earlier year model's of van ford truck. It is complete as shown in the pictures.

specifications engineblocksam:

• for models: Turbo
• for makes: Chevrolet
• for years: 1993
• brand: Gm Detroit
• mpn: 12555549
• type: Engine Block
• listing agent: Gav
• bc: Gm 6.5l Side Eng
• manufacturer warranty: Unspecified Length
• fitment type: Direct Replacement
• material: Cast Iron
• vintage part: No
• location: Dc

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks

seller engineblocksam:

• rating: 98.4%
• city: brookshire, texas
• # reviews: 1603

offer engineblocksam:

• in stock #: 5
• prices: $299.00–$7219.00
• item condition:
  • Used
  • New
  • Remanufactured
• started: july 18, 2025
• sold #: 17
• options: ship-to-home
• availability: in stock

payments engineblocksam:

• credit card: diners-club
• other
• wallet: apple-pay

shipping engineblocksam:

• transit: 13-18 days
• class: freight
• service: flat rate freight
• type: fixed

returns engineblocksam:

• policy: returns accepted
• time: 30 days
• paid by: buyer