CUMMINS 4309439RX Air Compressor Repair

( Brand: Cummins ), ( Manufacturer Part Number: 4309439RX ), ( Part Type: Compressor )

Review CUMMINS Air Compressor Repair Oem

The Cummins 4309439RX Air Compressor Repair Kit is a comprehensive solution for repairing and maintaining the Cummins R Series 115-gallon (436.5 liters) air compressor system. Designed with high-quality components, this repair kit ensures optimal performance and longevity for your compressor, reducing downtime and repair costs.

1. Air compressor piston assembly: A critical component that ensures efficient compression of air, the piston assembly includes piston rings, piston, piston rod, and gudgeon pin.

2. Air compressor cylinder head gasket: This gasket forms a seal between the cylinder head and the engine block, preventing air leaks and ensuring effective compression.

3. Air compressor valve cover gasket: Seals the connection between the valve cover and the engine block, preventing oil leaks and maintaining the compressor's integrity.

4. Crankcase vent valve: Regulates the flow of crankcase gases, maintaining proper crankcase pressure and preventing excessive oil consumption.

5. Air compressor check valve: Ensures proper air flow and pressure within the compressor by preventing backflow of air.

6. Air compressor oil filter: Filters the oil to remove contaminants and keep the compressor lubricated for optimal performance.

7. Air compressor oil drain plug: Allows for easy draining of the compressor's oil for maintenance or replacement.

8. Air compressor crankshaft position sensor: Monitors the crankshaft position and sends data to the engine control module for efficient engine operation.

9. Air compressor pressure switch: Turns the compressor on and off based on air demand, maintaining the desired air pressure in the system.

10. Various O-rings, seals, and gaskets: Ensuring a tight seal throughout the air compressor system, preventing air leaks and maintaining pressure.

By utilizing the Cummins 4309439RX Air Compressor Repair Kit, you can effectively troubleshoot and address common issues within your Cummins R Series 115-gallon air compressor. This comprehensive kit provides the necessary components to perform repairs and maintenance, ensuring your compressor continues to operate at peak performance.

Cummins 4309439RX Air Compressor Repair: Weighing the Pros and Cons

The Cummins 4309439RX air compressor is a popular choice for industrial applications due to its robust design and high performance. However, like any other machinery, it may require repairs from time to time. In this article, we will discuss the pros and cons of getting a Cummins 4309439RX air compressor repaired.

1. Cost-effective: Repairing an existing air compressor can be more cost-effective than purchasing a new one, especially if the compressor is still in good condition and the repair costs are reasonable.

2. Familiarity: If you have been using the Cummins 4309439RX air compressor for a long time, you may be familiar with its operation and maintenance requirements. Repairing it may be the most convenient option.

3. Customization: If you have specific modifications or customizations made to your air compressor, repairing it may be the best way to ensure those modifications are preserved.

1. Time-consuming: Air compressor repairs can take time, especially if the damage is extensive or if you are dealing with multiple issues. This downtime can impact your productivity and bottom line.

2. Uncertainty: Repairing an air compressor comes with uncertainty. There is always a risk that the compressor may break down again after the repairs are completed. Additionally, the repair costs may be higher than expected.

3. Risk of obsolescence: If your Cummins 4309439RX air compressor is very old, it may be more cost-effective to invest in a new air compressor with more advanced features and better energy efficiency.

In conclusion, the decision to repair a Cummins 4309439RX air compressor depends on various factors, including the cost of repairs, the age and condition of the compressor, and the potential impact on productivity. If the repairs are relatively minor and the compressor is in good condition, repairing it may be the most cost-effective option. However, if the damage is extensive or the compressor is very old, it may be more cost-effective to invest in a new air compressor. Ultimately, it is important to weigh the pros and cons carefully and consult with a reputable air compressor repair service to make an informed decision.

If you are considering repairing a Cummins 4309439RX air compressor, we recommend seeking the advice of a professional air compressor repair service. They can assess the damage and provide an accurate estimate of the repair costs, as well as offer advice on whether repairing or replacing the compressor is the best option. Additionally, they may be able to offer maintenance and service plans to help prevent future breakdowns and extend the life of your air compressor.

Details:

4309439RX AIR COMPRESSOR REPAIR KIT OEM CUMMINS, U315.

part #: 4309439rx prices

• $595.00-$1331.55

specifications commerciatruc:

• brand: Cummins
• mpn: 4309439rx
• part type: Compressor

returns commerciatruc:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

general commerciatruc:

• condition: New
• Parts Accessories > Commercial Truck Parts > Other Commercial Truck Parts

shipping commerciatruc:

• transit: 3-8 Days
• service: UPS Ground
• cost: $26.95
• type: Calculated
• class: Standard
• carrier: UPS

payments commerciatruc:

• credit card: Mastercard
• wallet: Apple-pay
• other

seller commerciatruc:

• city: Greenville, Ohio
• rating: 99.7%
• # reviews: 855

offer commerciatruc:

• options: Ship-to-home
• best offers: True
• quantity: 1
• availability: In Stock
• sold: 0
• started: May 19, 2026

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