3090378 Cylinder Head for Volvo B12 D12A

What does a compressor cylinder head do?

This cylinder head serves as the critical cast component that seals the top of the air brake compressor cylinder block. It houses the seats for the inlet and discharge valves, ensuring that compressed air is routed through the discharge port without leakage. By managing internal pressure and assisting in heat dissipation, this part is essential for maintaining consistent pneumatic system performance.

Compatibility and engine fitment

This specific component is designed to fit Volvo B12 vehicles equipped with D12A engines. It provides a direct replacement for worn or damaged heads, allowing for efficient compressor rebuilding. It is engineered to meet strict dimensional requirements to ensure seamless integration with existing compressor architectures.

Installation and maintenance guidance

When performing maintenance or troubleshooting air pressure issues, technicians should inspect the cylinder head for signs of cracking or valve seat wear. Proper installation ensures that the piston's compression cycle remains efficient, preventing air leaks that could compromise braking performance. Consult your authorized distributor for fitment guidance.

Troubleshooting and inspection

Regular inspection of the cylinder head and valve seats can prevent larger system failures. Ensuring the head is seated correctly within the compressor assembly maintains the integrity of the pneumatic circuit under heavy-duty operating conditions.

OE cross-reference

13 06 10 (Compressor Cylinder Head) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 3090378.