3967995
Exhaust Manifold
Cummins®

The Cummins 3967995 Exhaust Manifold is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by managing the flow of exhaust gases from the engine. Understanding its function and importance can help in maintaining the efficiency and performance of the truck.

Basic Concepts of Exhaust Manifolds

An exhaust manifold is a part of an engine’s exhaust system. Its primary function is to collect exhaust gases from the engine’s cylinders and direct them into the exhaust pipe. This process helps in reducing back pressure in the engine, which can enhance performance and efficiency. The manifold is typically made from cast iron or stainless steel to withstand high temperatures and pressures ¹.

Purpose of the Cummins 3967995 Exhaust Manifold

The Cummins 3967995 Exhaust Manifold is specifically engineered to channel exhaust gases away from the engine in commercial trucks. By efficiently routing these gases, it plays a role in maintaining engine performance and reducing emissions. Its design ensures that exhaust gases are expelled smoothly, which can contribute to the overall efficiency of the truck’s engine ².

Key Features

The Cummins 3967995 Exhaust Manifold is constructed with high-quality materials, ensuring durability and resistance to the high temperatures and pressures encountered in commercial truck engines. Its design includes precise engineering to ensure a proper fit and efficient operation. The manifold is built to meet the demanding requirements of heavy-duty applications, providing reliable performance over time ³.

Benefits

The Cummins 3967995 Exhaust Manifold offers several advantages. It contributes to improved engine performance by ensuring efficient exhaust gas flow. Its robust construction enhances durability, making it suitable for the rigors of commercial truck operation. Additionally, the manifold’s design can help in achieving better fuel efficiency and reducing emissions, aligning with environmental standards ⁴.

Installation

Proper installation of the Cummins 3967995 Exhaust Manifold is important for ensuring optimal performance and longevity. It is recommended to follow manufacturer guidelines for installation, which may include specific tools and procedures. Ensuring a secure fit and proper alignment is crucial to prevent leaks and maintain efficiency ⁵.

Maintenance

Routine maintenance of the Cummins 3967995 Exhaust Manifold is recommended to ensure its longevity and optimal performance. This may include regular inspections for signs of wear or damage, and cleaning to remove any buildup that could affect performance. Adhering to maintenance schedules can help in identifying issues early and ensuring the manifold continues to operate efficiently ⁶.

Troubleshooting

Common issues with the Cummins 3967995 Exhaust Manifold may include leaks or corrosion. Diagnostic tips for addressing these problems can involve inspecting the manifold for visible signs of damage, checking for proper fit and alignment, and ensuring all connections are secure. Potential solutions may include repairs or replacement, depending on the extent of the issue ⁷.

Compatibility with Cummins Engines

This part is specifically engineered to integrate with the following engines:

• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

The design of the Exhaust Manifold part 3967995 is tailored to meet the unique requirements of these engines, providing a reliable and durable solution for exhaust management. It is crucial to ensure that this part is correctly installed to maintain the engine’s performance and longevity ⁸.

Conclusion

The Cummins 3967995 Exhaust Manifold is a vital component in the exhaust system of commercial trucks, designed to enhance engine performance, durability, and efficiency. Proper installation, maintenance, and troubleshooting are essential to ensure its optimal operation and longevity.