21318075 Volvo FMX Cylinder Head — Air Brake Compressor

What does a compressor cylinder head do?

This cylinder head is a critical component of the air brake compressor assembly, responsible for sealing the combustion or compression chamber and maintaining stable air pressure. It is engineered to withstand intense thermal and mechanical stress, ensuring the reliability of the entire pneumatic braking system in heavy commercial vehicles.

Vehicle compatibility and fitment

This part is compatible with Volvo FMX models including 330, 370, 380, 400, 410, 420, 430, 440, 450, 460, 480, and 500 variants. It also serves various Volvo FM series trucks such as the FM 300 through FM 500 range. Selection should always be based on the specific compressor architecture to ensure correct fitment.

Installation and maintenance

When replacing this component, technicians should inspect the valve plate and gaskets to prevent future air leaks. Proper torque application during installation is essential to maintain a secure seal against the cylinder block under high-pressure operating conditions.

Troubleshooting and selection

Regular inspection of the cylinder head helps prevent system pressure drops and ensures consistent performance for fleet managers and workshop technicians.

OE cross-reference

13 19 10 (Compressor Cylinder Head) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21318075.