411 141 651 4 WABCO Compatible Compressor Cylinder Head

What does a compressor cylinder head do?

This compressor cylinder head acts as the primary seal atop the cylinder block, securing the compression chamber to ensure efficient air production. As a vital component of the air brake compressor assembly, it houses the inlet and discharge valve seats, internal air passages, and necessary cooling cavities. Using high-strength components ensures the head can withstand the intense pressure and thermal cycles inherent in heavy commercial vehicle braking systems.

Vehicle and system compatibility

This part is designed to be compatible with WABCO systems. It is an ideal solution for workshop technicians performing in-place rebuilds of air brake compressors, allowing for efficient maintenance without the need to replace the entire compressor unit. By replacing only the head, service providers can restore optimal compression performance and thermal stability to the braking system.

Installation and maintenance guidance

When performing installation, technicians should verify that all valve seats and internal passages are free of debris. It is essential to ensure that all sealing surfaces are clean to maintain the integrity of the compression chamber. Proper torque application during assembly is critical to prevent leaks and ensure long-term durability under heavy-duty service conditions.

Troubleshooting and selection

Monitoring the compressor's air output and operating temperature can help identify when a cylinder head requires replacement or maintenance. Regular inspections of the cylinder head area can prevent secondary damage to other compressor components.

OE cross-reference

11 27 30 (Compressor Cylinder Head) is the equivalent of the WABCO OE number. This part directly replaces WABCO OE number 4111416514.