20824559 SP1 Volvo FH13 D13B Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor is a vital component within the pneumatic braking system of heavy commercial vehicles. It functions by converting engine power into compressed air, providing the necessary pressure required for reliable brake system operation and auxiliary pneumatic functions. Built with high-strength components, this unit is engineered to withstand the rigorous thermal and mechanical stresses found in heavy-duty engine environments.

Vehicle compatibility and engine fitment

This specific model is designed for use in Volvo FH13 trucks equipped with D13B engines. It features a water-cooled design with a water-cooled valve plate to maintain optimal operating temperatures during continuous service. The unit includes an ESS feature and is compatible with Volvo OE specifications for seamless integration into the vehicle's air management system.

Installation and maintenance guidance

Technicians should note the specific technical requirements during installation, including the Ø85.00 mm cylinder bore and the M26x1,5 air outlet port. Given the water-cooled nature of this component, ensuring that the M16x1,5 water inlet and outlet ports are correctly connected and free of obstructions is essential for preventing overheating. Proper mounting of the through-drive mechanism ensures long-term durability.

System performance and troubleshooting

Regular inspection of the air unloader port and connection seals can help prevent pressure drops in the braking circuit. When replacing an existing unit, it is crucial to verify that all port sizes and drive configurations match the original equipment to ensure correct functionality within the air brake system.

OE cross-reference

1300 190 010 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20824559SP1.