4318217 | Genuine OEM Cummins Single Cylinder Air Compressor

4318217 Genuine OEM Cummins Single Cylinder Air Compressor is a component designed to supply compressed air for pneumatic braking systems in compatible heavy-duty vehicles. This single cylinder air brake compressor is associated with applicable Cummins ISX and QSX engine applications and supports the operation of air-powered braking components.

PRODUCT INFORMATION

Part Number: 4318217
Brand: Cummins
Condition: Genuine OEM
Component: Single Cylinder Air Brake Compressor
Fuel Type: Diesel
Engine Applications: Cummins ISX and QSX engines
Other important specifications: Single cylinder air compressor for pneumatic braking systems

APPLICATIONS

The 4318217 Single Cylinder Air Brake Compressor is intended for compatible Cummins ISX and QSX engine configurations equipped with the appropriate air braking system. Exact fitment may vary depending on the engine model, vehicle application, and installed components. Verify compatibility using the original part number and vehicle information before purchase.

FUNCTION

The 4318217 air brake compressor supplies compressed air for a vehicle's pneumatic braking system. The compressed air supports the operation of air brake components and helps maintain the air supply required for proper braking system function.

A worn, damaged, or failing Single Cylinder Air Brake Compressor may cause symptoms such as:

• Slow air pressure buildup

• Insufficient air pressure in the braking system

• Air pressure warning lights

• Unusual compressor noises

• Frequent compressor cycling

• Reduced air brake system performance

WHY REPLACE A SINGLE CYLINDER AIR BRAKE COMPRESSOR?

A damaged or malfunctioning air brake compressor can affect the compressed air supply required for proper braking system operation. Replacing a faulty 4318217 compressor with the correct Genuine OEM Cummins component can help restore the required air supply and support the intended operation of pneumatic braking components. Confirming the correct replacement part is essential for compatibility and reliable system performance.

FITMENT INFORMATION

Before purchasing the 4318217 Single Cylinder Air Brake Compressor, verify the Part Number, VIN, vehicle model, engine model, engine serial number, and system configuration. Although this part is listed for Cummins ISX and QSX engine applications, exact compatibility must be confirmed for the specific vehicle and braking system. Do not assume fitment based only on the engine family or the appearance of the part.

If you are unsure whether this part is correct for your vehicle, please contact us with your VIN and original part number. We are happy to help verify compatibility before purchase.

GENUINE CUMMINS PART

Part Number: 4318217