4089216 Cylinder Head for QSC8.3 Compressors

What does a compressor cylinder head do?

This cylinder head is a precision-engineered component designed to seal the top of an air brake compressor's cylinder block. By housing the inlet and discharge valve seats and internal air passages, it plays a critical role in governing both air output and thermal management during the compression cycle.

Engine compatibility

This specific unit is compatible with Cummins engines, including the ISL, ISC8.3, QSL9, and QSC8.3 series. It serves as a vital replacement part for workshop technicians looking to rebuild existing compressor units efficiently.

Installation and maintenance

When performing maintenance, ensure all valve seats and cooling cavities are inspected for cleanliness to prevent air leaks or overheating. Proper installation of this cylinder head ensures the longevity of the compressor system under continuous heavy commercial vehicle service.

Selection guidance

Selecting the correct cylinder head is essential for maintaining optimal air pressure within the braking system. Always verify compatibility with the specific engine series to ensure a precise fit and reliable performance.

OE cross-reference

25 15 10 (Compressor Cylinder Head) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 4089216.