5579049RX | Genuine Cummins® Air Brake Compressor

Description and Purpose:

The Cummins® Single Cylinder Air Brake Compressor (Part Number: 5579049) is an OEM-spec direct replacement designed for QSX15, QSB, ISB, and ISX engines. It features water cooling, engine-supplied lubrication, and a mounting flange for secure installation. 

Why Replacement is Important:

Replacing a worn or malfunctioning compressor with a genuine direct-fit part is essential to maintain safe and reliable air brake function. This part ensures uninterrupted air supply for the system, meeting manufacturer requirements and restoring the vehicle's braking capacity.

Impact on Vehicle Performance:

This unit supports up to 145 psi operating pressure with a 318 cm³ swept volume, enabling the air brake system to function correctly under load. With exact mounting and thread specifications, it integrates seamlessly, providing reliable performance without modification.

Manufacturer Information:

Cummins® is a globally recognized manufacturer of engine and drivetrain components. Their OEM-grade parts are engineered to fit and function as intended from the factory, offering durability, compatibility, and peace of mind for commercial and industrial vehicle maintenance.

Tags Category: Air Brake Compressor, Compressor, Brake System, Pneumatic System, Air System, Air Compression, Pneumatic Component, Compressed Air, Air Brake System Component, Single Cylinder

Warranty

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.