kz4331x50 Volvo Compatible Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor is engineered to provide high-pressure compressed air essential for the reliable operation of heavy commercial vehicle brake systems. Designed with heavy-duty grade materials, it ensures consistent performance and durability under high-pressure demands. The unit features a water-cooled design to manage thermal loads effectively during continuous operation.

Compatible Volvo models and engines

This specific model is compatible with Volvo vehicles including the F7, F10, F12, N10, N12, B10M, and B12 series. It is specifically designed for use with Volvo engines such as the TD70, TD71, TD100, TD101, TD120, TD121, and TD122. This ensures exact fitment for the pneumatic system of the engine.

Installation and maintenance guidance

For proper installation, technicians should verify that the water inlet and outlet ports (M16x1,5) align with the existing cooling lines. The through drive mechanism and M26x1,5 air ports must match the vehicle's original configuration to ensure seamless integration. Regular inspection of the water-cooled valve plate is recommended to maintain optimal air delivery.

Troubleshooting and selection

Consult your authorized distributor.

OE cross-reference

kz4331x50 (Twin Cylinder Compressor) is the equivalent of the Knorr-Bremse and Volvo OE numbers. This part directly replaces Knorr-Bremse OE numbers 1186722SP, KZ433, KZ433\1RM, KZ433\1X50. It also replaces Volvo OE numbers 1080437, 1186722, 1188844, 1570594, 1590264, 1612335.