7500 750 005 Compressor Adapter — WABCO Compatible

A compressor adapter serves as the critical transition fitting that joins the air brake compressor's air inlet, air outlet, and oil lines without any loss of sealing. These components are engineered to eliminate mismatches between the compressor housing port and the line-side connection standard, ensuring a secure, air-tight integration within the pneumatic system.

This component is compatible with various heavy commercial vehicle models, including Peterbilt 357, Kenworth T800, and Freightliner Cascadia. It is also fitted to Volvo VNL series and International LT trucks. The adapter is designed to support high-performance engines such as Caterpillar C9, Cummins ISX15, and N14, ensuring reliable air pressure generation under heavy loads.

For professional installation, technicians should verify that the thread type and port sizing match the existing pneumatic lines to prevent leaks. Regular inspection of all connections is recommended during routine maintenance to ensure the continued integrity of the air brake system.

Check the compatibility list.

OE cross-reference

7500 750 005 (Compressor Adapter) is the equivalent of the Cummins and WABCO OE numbers. This part directly replaces Cummins OE number 4089677. It also replaces WABCO OE number 9115159262.