4089238 Cummins Compatible Compressor Repair Kit

What does a compressor repair kit do?

This compressor repair kit serves as a vital maintenance solution for air brake compressors in heavy commercial vehicles. By replacing worn internal components, this kit helps maintain optimal pneumatic pressure and ensures the long-term reliability of the braking system.

Engine compatibility and fitment

The kit is specifically designed to be compatible with several Cummins engine series, including ISX, L, QSC8.3, ISM, N, ISB6.7, QSB, M11, ISL, M, QSL9, and ISC8.3 engines. It provides a reliable solution for workshop technicians looking to restore compressor efficiency without replacing the entire unit.

Installation and maintenance guidance

During installation, technicians should carefully inspect the compressor housing and all mating surfaces to ensure a proper seal. Using high-strength components during the overhaul process prevents premature air leaks and maintains consistent system pressure under heavy load conditions.

System reliability and maintenance

Regular maintenance of the air brake compressor using high-quality repair kits can prevent significant system failures in heavy commercial vehicles. Always check the compatibility list to ensure this kit meets your specific engine requirements.

OE cross-reference

2500 030 750 (Compressor Repair Kit) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 4089238.