20547525 S1 Compressor Cylinder Head for Volvo FH12

What does a compressor cylinder head do?

This compressor cylinder head is a vital component within the air brake compressor assembly, responsible for sealing the combustion chamber and managing air flow. Built with heavy-duty grade materials, it ensures stable performance and durability under high-pressure operating conditions in heavy commercial vehicle systems.

Vehicle compatibility and engine fitment

This specific part is designed for Volvo FH12 trucks featuring the D12D engine. It is compatible with various FH12 configurations, including the 340, 380, 420, 460, and 500 models. To ensure exact fitment, technicians should always verify the compressor's specific architecture before replacement.

Installation and maintenance guidance

During installation, workshop technicians should inspect the cylinder head surface and surrounding gaskets to ensure a perfect seal. Maintaining clean mounting surfaces and checking the unloader port or cooling channels is essential to prevent pressure leaks or overheating within the pneumatic system.

Troubleshooting and selection

When replacing this component, it is recommended to check the condition of the valve plate and piston rings to maintain optimal compressor efficiency.

OE cross-reference

13 01 11 (Compressor Cylinder Head) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20547525S1.