8113003 Twin Cylinder Compressor for Volvo B12

What does a twin cylinder compressor do?

This water-cooled twin cylinder compressor serves as a critical component in the air brake system, ensuring consistent pressure delivery for heavy commercial vehicle braking operations. Designed with high-strength components, it manages high thermal loads through its integrated water-cooled valve plate and specialized cooling ports to maintain optimal performance under heavy-duty conditions.

Compatible vehicles and engines

This specific model is engineered to be compatible with Volvo B12 vehicles equipped with D12A engines. The unit features an air inlet port of Ø29 and an air outlet port of M26x1.5, ensuring a precise fit for the engine's pneumatic system requirements.

Installation and maintenance

When performing installation or maintenance, technicians should verify the M26x1.5 air outlet and M22x1.5 unloader port connections. It is essential to ensure the water inlet and outlet ports (M16x1.5) are correctly integrated into the cooling circuit to prevent overheating. Proper torque application on all threaded ports is recommended during assembly.

Troubleshooting and maintenance

Regular inspection of the through drive mechanism and unloader valve functionality can prevent system pressure fluctuations. Consult your authorized distributor for further technical support.

OE cross-reference

1300 050 003 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 8113003.