1628593 SP1 Volvo NL12 D12A Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder air compressor plays a critical role in the pneumatic braking system of heavy commercial vehicles, providing the necessary compressed air for braking and auxiliary functions. Built with high-strength components, it ensures consistent pressure delivery even under demanding operational conditions. The unit is specifically engineered to meet the requirements of heavy-duty service environments.

Vehicle and engine compatibility

This component is compatible with Volvo NL12 models equipped with D12A engines. It features a water-cooled design to manage thermal loads efficiently during continuous operation. The unit includes an ESS feature and a water-cooled valve plate to maintain optimal performance and durability within the engine's cooling circuit.

Installation and maintenance guidance

Technicians should verify that the mounting flange and drive gear configuration match the original unit before installation. This specific model features a Ø88.00 mm cylinder bore, a 50 mm stroke, and an air inlet port of Ø29 mm. Ensure all water inlet and outlet ports (M16x1,5) are properly sealed to prevent coolant leaks during operation.

Selection and replacement advice

When replacing an existing unit, always confirm that the port sizes and cooling type are identical to the removed part to avoid system mismatching.

OE cross-reference

1300 050 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 1628593SP1.