301.04.0007 Compatible Air Dryer Valve Cartridge for Volvo Trucks

What is an air dryer valve cartridge?

An air dryer valve cartridge is a replaceable desiccant element designed to fit inside the purge valve housing of an air dryer within a heavy commercial vehicle's air brake system. This component plays a critical role by capturing moisture and oil residue from the compressed air exiting the compressor, ensuring that only dry air reaches the sensitive brake circuit components.

Compatible vehicles and engines

This cartridge is designed to be compatible with Volvo FL, FE, FM, FMX, and VHD series trucks, as well as Renault Trucks D series, Magnum, Premium 2, C series, and Kerax models. It is also suitable for Mack Granite and Pinnacle trucks. The unit features an M39x1.5 port configuration to ensure precise integration into the existing pneumatic system.

Installation and maintenance

For workshop technicians and fleet managers, ensuring correct fitment is vital for maintaining brake system integrity. Regular inspection of the cartridge helps prevent moisture buildup that can lead to valve faults or air-line corrosion. When replacing the cartridge, always verify that the port size and dimensions match the existing assembly to ensure a secure seal.

Troubleshooting guidance

Consult your authorized distributor to verify exact fitment for your specific engine or vehicle model.

OE cross-reference

301.04.0007 (Air Dryer Valve Cartridge Air Dryer Valves) is the equivalent of the DAF, Knorr-Bremse, Renault Trucks, Scania, Volvo and WABCO OE numbers. This part directly replaces DAF OE number 1527760. It also replaces Knorr-Bremse OE number K039453, Renault Trucks OE numbers 5001865404, 7421267793, 7421602383, Scania OE number 2131090, Volvo OE numbers 20754416, 21267818, 21267818LH, 21602385 and WABCO OE number 4329012452.