4945735
Oil Pan
Cummins®

The Cummins 4945735 Oil Sump Pan is a vital component in the operation of heavy-duty trucks. Its purpose is to collect and store engine oil, ensuring a consistent supply to lubricate engine components. This part plays a role in the engine cooling system by facilitating proper oil circulation and storage, which contributes to maintaining the efficiency and longevity of the engine ¹.

Basic Concepts of an Oil Sump Pan

An oil sump pan is a fundamental part of an engine’s lubrication system. It serves as a reservoir for engine oil, collecting oil that has circulated through the engine and returned via gravity. The sump pan ensures that there is always an adequate supply of oil available for the engine’s moving parts, reducing friction and wear. Maintaining proper oil levels is important for the engine’s performance, and the sump pan plays a role in this process by providing a stable storage solution for the oil ².

Purpose of the Cummins 4945735 Oil Sump Pan

The Cummins 4945735 Oil Sump Pan is designed to collect and store engine oil, ensuring a consistent supply to lubricate engine components. This part is integral to the operation of a truck, as it helps maintain the engine’s efficiency by ensuring that all moving parts are properly lubricated. The sump pan also aids in keeping the oil clean by allowing contaminants to settle at the bottom, away from the oil pickup tube.

Key Features

The Cummins 4945735 Oil Sump Pan is constructed with durability and performance in mind. Its design incorporates high-quality materials that resist corrosion and wear, ensuring long-lasting use. The sump pan features a robust construction that can withstand the rigors of heavy-duty truck operation. Additionally, it is designed to facilitate easy drainage during oil changes, enhancing maintenance efficiency.

Benefits

Using the Cummins 4945735 Oil Sump Pan offers several benefits, including improved engine protection through consistent lubrication, enhanced oil filtration by allowing contaminants to settle away from the oil pickup, and increased reliability due to its durable construction. These benefits contribute to the overall performance and longevity of the truck by ensuring that the engine operates smoothly and efficiently.

Installation Process

Installing the Cummins 4945735 Oil Sump Pan involves several steps to ensure proper fitting and function. Begin by draining the engine oil and removing the old sump pan. Clean the mating surface on the engine block thoroughly. Position the new sump pan and secure it with the provided bolts, ensuring a tight seal. Reconnect the oil drain plug and refill the engine with the recommended type and quantity of oil. It is important to use the correct tools and follow safety precautions during installation to avoid damage to the engine or injury to the installer.

Troubleshooting and Maintenance

Common issues with the Cummins 4945735 Oil Sump Pan may include oil leaks, which can often be traced to improper installation or gasket failure. Regular inspections and maintenance, such as checking for signs of wear or damage and ensuring the gasket is in good condition, can help prevent these issues. Additionally, adhering to the manufacturer’s recommended oil change intervals will help maintain the sump pan’s performance and longevity.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the automotive industry. The company is committed to delivering reliable and efficient components that meet the demanding requirements of heavy-duty applications.

Cummins Engine Oil Sump Pan 4945735 Compatibility

The Cummins Oil Sump Pan part number 4945735 is designed to fit specific models within the Cummins engine lineup. This part is integral to the engine’s lubrication system, ensuring that oil is contained and circulated effectively.

QSB4.5 Series

The Cummins QSB4.5 series includes several models, and the oil sump pan 4945735 is compatible with the following:

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)

These engines are part of the QSB4.5 series, which is known for its robust performance and reliability in various applications. The oil sump pan 4945735 is engineered to fit these models precisely, ensuring optimal performance and longevity of the engine.

Installation and Functionality

While the specific details of the oil sump pan’s installation and functionality will be covered in a larger article, it is important to understand that this part is designed to:

• Collect and store engine oil
• Ensure proper oil flow and pressure within the engine
• Maintain the integrity of the engine’s lubrication system

By fitting seamlessly with the specified Cummins engines, the oil sump pan 4945735 plays a role in the overall health and efficiency of the engine.

Role of Part 4945735 Oil Sump Pan in Engine Systems

The part 4945735 Oil Sump Pan is an integral component in the lubrication system of an engine. It works in conjunction with several other components to ensure the engine operates smoothly and efficiently.

Interaction with the Oil Pump

The oil sump pan collects and stores the engine oil when the engine is not in operation. When the engine starts, the oil pump draws oil from the sump pan through the oil pickup tube. This oil is then circulated through the engine to lubricate moving parts, reduce friction, and dissipate heat.

Relationship with the Oil Filter

As the oil is pumped from the sump pan, it passes through the oil filter. The oil filter removes contaminants and particles from the oil, ensuring that only clean oil lubricates the engine components. This process helps maintain the efficiency and longevity of the engine.

Contribution to the Oil Pressure Relief Valve

The oil sump pan also plays a role in maintaining consistent oil pressure within the engine. Excess oil pressure is relieved back into the sump pan through the oil pressure relief valve. This ensures that the oil pressure remains within safe operating limits, protecting the engine from damage.

Support for the Oil Cooler

In engines equipped with an oil cooler, the oil sump pan indirectly supports its function. The oil cooler reduces the temperature of the oil before it is returned to the sump pan. Cooler oil is more effective at lubrication and reduces the risk of thermal breakdown, enhancing engine performance and reliability.

Integration with the Oil Level Sensor

Modern engines often include an oil level sensor that monitors the amount of oil in the sump pan. This sensor provides real-time data to the engine control unit (ECU), allowing for adjustments in oil circulation and alerting the operator if the oil level is low, thereby preventing engine damage due to insufficient lubrication.

Collaboration with the Crankshaft and Connecting Rods

The oil sump pan ensures that the crankshaft and connecting rods receive a consistent supply of lubricant. This lubrication is vital for the smooth operation of these components, which are subject to high levels of stress and friction during engine operation.

Synergy with the Valve Train

The valve train, comprising components like the camshaft, lifters, and rocker arms, also benefits from the lubrication provided by the oil from the sump pan. Proper lubrication ensures these components move freely, reducing wear and tear and enhancing the overall efficiency of the engine.

Conclusion

In summary, the Cummins 4945735 Oil Sump Pan is a foundational element in the engine’s lubrication system, working seamlessly with various components to ensure optimal engine performance and longevity. Its role in collecting, storing, and facilitating the circulation of engine oil is critical for maintaining the efficiency and reliability of heavy-duty engines.