3681902 | Genuine Cummins® Air Brake Compressor

Description and Purpose:

The Cummins® Single Cylinder Air Brake Compressor (Part Number: 3681902) is a direct replacement built to match original specifications for engines QSX15, QSB, ISB, ISX. With features such as water cooling, engine-fed lubrication, and mounting flange, it ensures compatibility and straightforward installation. This unit provides the same fit and function as the original factory-installed compressor.

Why Replacement is Important:

Replacing a worn compressor with a genuine OEM-spec component is essential for maintaining brake system reliability. A failing unit may result in air pressure loss, affecting safety. This compressor is an exact fit, restoring proper system performance without requiring modifications.

Impact on Vehicle Performance:

Designed to handle pressures up to 145 psi and operating speeds up to 3000 RPM, this compressor supports consistent air delivery across various driving conditions. With a precise piston design and port threading, it ensures stable operation in demanding environments, helping to maintain factory-level vehicle performance.

Manufacturer Information:

Cummins® is an industry leader in diesel technology, offering OEM-quality components trusted worldwide. Known for engineering excellence and durability, Cummins parts are designed for exact compatibility and long-term reliability in heavy-duty applications.

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.