21136561 Compressor Cylinder Head for Volvo B11R

What does a compressor cylinder head do?

This compressor cylinder head serves as the essential sealing component within the air compressor assembly, managing the combustion chamber environment and regulating air flow. It is manufactured from high-strength components to withstand the extreme thermal and pressure fluctuations inherent in heavy commercial vehicle air brake systems.

Compatible vehicles and engines

This specific part is designed for use in Volvo B11R trucks fitted with D11A engines. It maintains precise volumetric efficiency to ensure the pneumatic system receives consistent air pressure. Proper fitment ensures the integrity of the entire air brake circuit during sustained operation.

Installation and maintenance

When performing maintenance or overhaul, technicians should inspect the mounting surfaces and ports for any signs of wear or scoring. Ensuring a clean seal during installation is vital to prevent pressure drops within the compressor unit. Consult your authorized distributor for installation guidance.

Troubleshooting and replacement

Replacing a worn cylinder head can prevent further damage to the compressor crankshaft or valve plates. Always verify that the head matches the specific engine configuration to maintain optimal system performance.

OE cross-reference

13 22 50 (Compressor Cylinder Head) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21136561.