9521675 Volvo FL12 TD122 Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component in the pneumatic braking system of heavy commercial vehicles. Engineered with high-strength components, it provides the necessary air pressure required for reliable braking and auxiliary pneumatic functions. The unit is designed to withstand demanding thermal conditions through its integrated water-cooling system.

Vehicle and engine compatibility

This specific model is compatible with Volvo FL12 vehicles equipped with TD122 engines. It functions as a precise replacement for the original equipment, ensuring that the pneumatic delivery matches the vehicle's factory specifications.

Technical specifications and installation

The assembly features a Ø88.00 mm cylinder bore and a 50 mm stroke, delivering a swept volume of 608cm³. For correct installation, technicians should verify the M16x1,5 water inlet and outlet ports and the M26x1,5 air outlet port connections. This unit is equipped with an ESS feature and a water-cooled valve plate to maintain optimal performance under load.

Maintenance and troubleshooting

Regular inspection of the air unloader port (M22x1,5) and cooling lines is recommended during routine maintenance to prevent pressure fluctuations or overheating in the braking system.

OE cross-reference

1300 050 003 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 9521675.