3912553 OEM FACTORY DODGE CUMMINS Diesel Motor Block Engine

Review OEM FACTORY DODGE CUMMINS 12 Diesel Motor Block Std. Engine Usa for RAM STD 1989–1997

Introducing the Dodge Cummins 3912553 motor block, a key component of the 1989-1997 Ram 12.5 liter diesel engines. This motor block is a standard engine part that forms the foundation of the powertrain, providing a robust and durable platform for the engine's internal components.

The Cummins 3912553 motor block is engineered with precision and crafted from high-strength materials to deliver exceptional performance and longevity. The design incorporates a cast iron construction for increased strength and durability, while the engine's cylinders are lined with a thermal barrier liner to minimize heat transfer and reduce the risk of thermal damage.

The motor block features a large bore size that allows for increased engine displacement, resulting in more power and torque output. The engine block also includes a wet sump oiling system, which ensures that the engine's vital components are consistently lubricated to prevent wear and tear.

Additionally, the Cummins 3912553 motor block is designed to accommodate the engine's fuel and cooling systems, as well as the crankshaft and connecting rods. The block's cylinder heads are separately cast, allowing for easier maintenance and repair.

With its robust construction, exceptional strength, and advanced design features, the Dodge Cummins 3912553 motor block is an essential component for any 1989-1997 Ram 12.5 liter diesel engine. Whether you're restoring an old workhorse or building a high-performance engine, this motor block is the foundation that will help you achieve your goals.

In summary, the Dodge Cummins 3912553 motor block is a critical component of the 1989-1997 Ram 12.5 liter diesel engine, providing a robust and durable foundation for the engine's internal components. Its cast iron construction, large bore size, and wet sump oiling system make it a reliable and powerful platform for the engine, ensuring optimal performance and longevity.

The Dodge Cummins 3912553 is a 1989-1997 Ram 12-valve diesel engine, which is known for its durability and power. Here are some pros and cons of buying this engine for your vehicle:

1. Power: The 12-valve Cummins engines are famous for their impressive torque and power output, making them a popular choice among diesel enthusiasts.

2. Durability: These engines have a reputation for being extremely robust and long-lasting, with many achieving over 300,000 miles with proper maintenance.

3. Availability: Parts for these engines are readily available, making it easier and less expensive to maintain and repair them.

4. Fuel efficiency: The diesel engine provides better fuel economy than a gasoline engine, making it a cost-effective choice for those who cover long distances.

1. Complexity: The 12-valve Cummins engines can be complex to diagnose and repair due to their unique design and numerous components.

2. Emissions: These engines do not meet modern emissions standards and may require expensive modifications to pass emissions tests.

3. Noise: The diesel engine can be quite noisy, particularly when idling or under heavy load, which may not be desirable for some drivers.

4. Maintenance: While the engines are durable, they require regular maintenance to keep them running smoothly, including frequent oil changes, fuel filter replacements, and coolant flushes.

The Dodge Cummins 3912553 is a powerful and durable diesel engine that is popular among diesel enthusiasts, but it also comes with some drawbacks, such as complexity, noise, and emissions issues. If you are looking for a reliable and powerful engine for your Ram, this engine may be a good choice, but be prepared for the additional costs and complexity that come with it.

If you are considering buying a used Dodge Cummins 3912553 engine, it is important to do your research and inspect the engine thoroughly before making a purchase. Look for any signs of damage or wear, such as cracks in the engine block or leaks, and make sure all components are in good working order. Additionally, consider the cost of modifications and ongoing maintenance, as these can add up over time. Ultimately, whether or not this engine is right for you will depend on your budget, your driving habits, and your willingness to take on the additional complexity that comes with a diesel engine.

Details:

The pistons came out easily, but you can feel a little ring wear at the top. Will fit 1989 to 1997 12 valve Dodge trucks. Good used standard bore 12 valve Cummins engine block as pictured. This block was removed from a running good Dodge Ram truck.

Block was cleaned and inspected with no cracks, sprayed Ed 40 to keep from rusting.

specifications engineblocksam:

• for models: Std, Ram
• for years: 1989–1997
• brand: Oem Factory Dodge Cummins
• mpn: 3912553
• type: 12 Valve Cummins Engine Block Standard
• oe/oem part number: Cummins
• items included: As Pictured
• material: Cast Iron
• country of origin: United States

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seller engineblocksam:

• rating: 100.0%
• city: paris, arkansas
• # reviews: 9629

general engineblocksam:

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

offer engineblocksam:

• started: october 18, 2025
• options: ship-to-home
• in stock #: 1
• price: $800.00
• item condition: Used
• availability: in stock
• sold #: 13

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• service: flat rate freight
• type: fixed
• class: freight

returns engineblocksam:

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