20547525 B12 Twin Cylinder Air Brake Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the air brake system, providing the necessary pneumatic pressure for heavy commercial vehicle braking and pneumatic operations. Engineered with high-strength components, it is designed to withstand the rigorous thermal and mechanical stresses encountered in heavy-duty duty cycles.

Vehicle compatibility and specifications

This specific unit is compatible with Volvo B12 engines. It features a water-cooled design with a water inlet/outlet port size of M16x1,5 and includes an integrated ESS feature for optimized system performance. It is also equipped with a water-cooled valve plate to maintain operational stability.

Installation and maintenance

For proper installation, technicians should verify that the M26x1,5 air outlet port and M12x1 unloader port align with existing system connections. Due to the through drive configuration and specific water port locations, ensuring exact fitment during replacement is essential to prevent pneumatic leaks or cooling inefficiencies.

Troubleshooting and selection

When replacing an old unit, it is vital to check that the mounting flange and drive gear match the original equipment to ensure seamless integration into the engine's accessory drive.

OE cross-reference

1300 010 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20547525.