fits model: Std, Ram. year: 1989–1997.

| Brand | OEM FACTORY DODGE CUMMINS |
|---|---|
| Manufacturer Part Number | 3926724 |
| Type | 12 VALVE CUMMINS ENGINE BLOCK STANDARD |
| Oe/oem Part Number | CUMMINS |
| Items Included | AS PICTURED |
| Country/region Of Manufacture | BRAZIL |
The Dodge Cummins 3926724 is a diesel engine block specifically designed for Ram trucks manufactured between 1989 and 1997. This engine block is an essential component of the 12-valve Cummins B series diesel engine, which is renowned for its durability and powerful performance. The 3926724 engine block is a cast iron monolithic design, providing exceptional strength and heat dissipation.
The cylinder bore measurement for this engine block is 3.906 inches, hence the name 3926724. The block accommodates a reciprocating assembly consisting of six cylinders, each with a bore centerline spacing of 4.962 inches. This engine block is equipped with a wet sump oiling system, which maintains consistent lubrication to all engine components, even during high-stress situations.
The 3926724 engine block comes with integral water jackets that efficiently distribute coolant throughout the engine to prevent overheating. The water jackets are strategically placed to ensure optimal cooling and ensure the engine runs at optimal temperatures. The engine block also features a built-in oil pan, providing a secure containment for the engine oil.
The cylinder bores in this engine block have a finish of 325 grit, ensuring a smooth surface for the piston rings to seal against. The engine block's deck height is 9.125 inches, providing ample clearance for the piston assembly and the associated components.
The Dodge Cummins 3926724 engine block is a critical component of the diesel engine, and its robust design delivers impressive power and torque output. Its ability to withstand the rigors of heavy-duty use makes it a preferred choice for truck enthusiasts and commercial applications. This engine block's durability and performance make it an excellent investment for those seeking a reliable powertrain for their Ram truck.
The Dodge Cummins 3926724 1989-1997 Ram 12-valve diesel engine, also known as the "I-Beam" engine, is a popular choice among diesel enthusiasts for its durability and power potential. Here are some pros and cons to consider before making a decision to buy this engine:
Pros:1. Power and Torque: The 12-valve Cummins engine is renowned for its impressive power and torque output. With the right modifications, it can produce substantial power gains, making it a popular choice for heavy-duty towing and hauling applications.
2. Durability: These engines were built to last, with many still in operation today after over 30 years. They are known for their strength and robustness, making them a reliable option for those who demand high performance and longevity.
3. Availability of Aftermarket Support: Due to their popularity, these engines have an extensive aftermarket support system. There are numerous performance parts and modifications available, which can help increase power, improve fuel efficiency, and enhance reliability.
4. Fuel Efficiency: Compared to gasoline engines, diesel engines are generally more fuel-efficient. This translates to lower operating costs in the long run, especially for those who frequently tow heavy loads or travel long distances.
Cons:1. Complexity: The 12-valve Cummins engine is known for its complexity, with numerous systems and components that require regular maintenance. This can make it more time-consuming and costly to maintain compared to other engines.
2. Emissions: The older 12-valve Cummins engines do not meet modern emissions standards and require modifications to pass inspections in certain areas. This can add to the cost of ownership and may not be worth it for those who do not plan on making significant modifications.
3. Noise and Vibration: Diesel engines can be noisier and more vibrant than their gasoline counterparts. This can be a concern for those who prioritize a quiet and smooth ride.
4. Fuel Quality: Diesel fuel quality can vary greatly, and poor fuel quality can lead to engine damage. It is essential to ensure that the fuel used in these engines is of high quality to maintain their longevity.
Conclusion:The Dodge Cummins 3926724 1989-1997 Ram 12-valve diesel engine offers impressive power, torque, and durability. However, it also comes with some drawbacks, such as complexity, emissions concerns, noise and vibration, and fuel quality issues. If you are looking for a powerful and reliable engine for heavy-duty applications and are willing to invest in the necessary maintenance and modifications, then this engine could be an excellent choice for you.
Recommendation:For those who are considering buying a Dodge Cummins 3926724 1989-1997 Ram 12-valve diesel engine, it is highly recommended to do thorough research and consider all the factors mentioned above. It is also recommended to consult with a knowledgeable mechanic or diesel enthusiast to help assess the current condition of the engine and determine if it is a good fit for your specific needs and budget. Additionally, consider investing in high-quality aftermarket parts and modifications to improve performance, reliability, and fuel efficiency.
Block was cleaned and inspected with no cracks. This block was removed from a wrecked but running 1996 Dodge Ram 3500 2wd regular cab, cab and chassis truck equipped with 12v Cummins diesel engine NV 4500 5 speed standard transmission. Good used standard bore 12 valve Cummins engine block as pictured. Has nice smooth cylinder walls.
Will fit 1989 to 1997 12 valve Dodge trucks.
